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ALC272 (pn: ALC272-gr) 4 channel high definition audio codec datasheet rev. 1.0 21 may 2008 track id: jatr-1076-21 realtek semiconductor corp. no. 2, innovation road ii, hsinchu science park, hsinchu 300, taiwan tel.: +886-3-578-0211. fax: +886-3-577-6047 www.realtek.com.tw www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec ii track id: jatr-1076-21 rev. 1.0 copyright ?2008 realtek semiconductor corp. all rights reserved. no part of this document may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means without the written permissi on of realtek semiconductor corp. disclaimer realtek provides this document ?as is?, without wa rranty of any kind, neith er expressed nor implied, including, but not limited t o, the particular pu rpose. realtek may make impr ovements and/or changes in this document or in the product described in this document at any time. this document could include technical inaccuracies or typographical errors. trademarks realtek is a trademark, of realte k semiconductor corporation. other na mes mentioned in this document are trademarks/registered trademarks of their respective owners. using this document this document is intended for the hardware and soft ware engineer?s general information on the realtek ALC272 audio codec ic. though every effort has been made to ensure that th is document is current and accurate, more information may have become available subsequent to the productio n of this guide. in that event, please contact your realtek representative for additional information that may help in the development process. revision history revision release date summary 1.0 2008/05/21 first release. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec iii track id: jatr-1076-21 rev. 1.0 table of contents 1. general desc ription ............................................................................................................ ..................................1 2. features ....................................................................................................................... ..................................................2 2.1. h ardware f eatures ............................................................................................................................... .................2 2.2. s oftware f eatures ............................................................................................................................... ...................3 3. system applications............................................................................................................ ...................................4 4. block diagram .................................................................................................................. .........................................5 5. pin assignments ................................................................................................................ .........................................6 5.1. p ackage and v ersion i dentification ....................................................................................................................6 6. pin descriptions............................................................................................................... ..........................................7 6.1. d igital i/o p ins ............................................................................................................................... ..........................7 6.2. a nalog i/o p ins ............................................................................................................................... .........................7 6.3. f ilter /r eference /n ot c onnect .............................................................................................................................8 6.4. p ower /g round ............................................................................................................................... ...........................8 7. high definition audio link protocol ............................................................................................ .............9 7.1. l ink s ignals ............................................................................................................................... ...............................9 7.1.1. signal de finitions ............................................................................................................. ....................................10 7.1.2. signaling topology............................................................................................................. ..................................11 7.2. f rame c omposition ............................................................................................................................... .................12 7.2.1. outbound frame ? single sdo.................................................................................................... ........................12 7.2.2. outbound frame ? multiple sdos................................................................................................. ......................13 7.2.3. inbound frame ? single sdi ..................................................................................................... ...........................14 7.2.4. inbound frame ? multiple sdis.................................................................................................. .........................15 7.2.5. variable samp le rates .......................................................................................................... ...............................15 7.3. r eset and i nitialization ............................................................................................................................... ........18 7.3.1. link reset ..................................................................................................................... ........................................18 7.3.2. codec reset .................................................................................................................... ......................................19 7.3.3. codec initializa tion sequence .................................................................................................. ............................20 7.4. v erb and r esponse f ormat ............................................................................................................................... ...20 7.4.1. command verb format............................................................................................................ ............................20 7.4.2. response format................................................................................................................ ..................................23 7.4.3. double functi on reset .......................................................................................................... ...............................23 7.5. p ower m anagement ............................................................................................................................... ................24 8. supported verbs and parameters................................................................................................. ...............26 8.1. v erb ? g et p arameters (v erb id=f00 h ).............................................................................................................26 8.1.1. parameter ? vendor id (verb id=f00h, parameter id=00h)......................................................................... ...26 8.1.2. parameter ? revision id (verb id=f00h, parameter id=02h)....................................................................... ...26 8.1.3. parameter ? subordinate node count (v erb id=f00h, parameter id=04h) .....................................................27 8.1.4. parameter ? function group type (v erb id=f00h, parameter id=05h) ..........................................................27 8.1.5. parameter? audio function capabilities (v erb id=f00h, para meter id=08h) ................................................27 8.1.6. parameter ? audio widget capabilities (ver b id=f00h, parame ter id=09h) ..................................................28 8.1.7. parameter ? supported pcm size, rates (verb id=f00h, parameter id=0ah) ................................................29 8.1.8. parameter ? supported stream formats (verb id=f00h, parameter id=0bh) .................................................30 8.1.9. parameter ? pin capabilities (verb id=f00h, parame ter id=0ch) .................................................................. 30 8.1.10. parameter? amplifier capabilities (verb id=f 00h, input amplifier pa rameter id=0dh) .........................31 www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec iv track id: jatr-1076-21 rev. 1.0 8.1.11. parameter ? amplifier capabilities (verb id=f 00h, output amplifier pa rameter id=12h) ........................31 8.1.12. parameter ? connect list length (v erb id=f00h, parameter id=0eh) .......................................................32 8.1.13. parameter ? supported power states (v erb id=f00h, parameter id=0fh) .................................................32 8.1.14. parameter ? processing capabilities (v erb id=f00h, para meter id=10h)..................................................33 8.1.15. parameter ? gpio capabilities (verb id=f00h, parame ter id=11h)..........................................................33 8.1.16. parameter ? volume knob capabilities (v erb id=f00h, para meter id=13h)..............................................33 8.2. v erb ? g et c onnection s elect c ontrol (v erb id=f01 h ) ................................................................................34 8.3. v erb ? s et c onnection s elect (v erb id=701 h ) .................................................................................................35 8.4. v erb ? g et c onnection l ist e ntry (v erb id=f02 h ) .........................................................................................35 8.5. v erb ? g et p rocessing s tate (v erb id=f03 h ) ...................................................................................................40 8.6. v erb ? s et p rocessing s tate (v erb id=703 h ) ....................................................................................................40 8.7. v erb ? g et c oefficient i ndex (v erb id=d h )......................................................................................................41 8.8. v erb ? s et c oefficient i ndex (v erb id=5 h ) .......................................................................................................41 8.9. v erb ? g et p rocessing c oefficient (v erb id=c h ) ............................................................................................41 8.10. v erb ? s et p rocessing c oefficient (v erb id=4 h )..............................................................................................42 8.11. v erb ? g et a mplifier g ain (v erb id=b h ) ...........................................................................................................42 8.12. v erb ? s et a mplifier g ain (v erb id=3 h ) ............................................................................................................45 8.13. v erb ? g et c onverter f ormat (v erb id=a h )....................................................................................................46 8.14. v erb ? s et c onverter f ormat (v erb id=2 h ) .....................................................................................................47 8.15. v erb ? g et p ower s tate (v erb id=f05 h )............................................................................................................48 8.16. v erb ? s et p ower s tate (v erb id=705 h ) ............................................................................................................49 8.17. v erb ? g et c onverter s tream , c hannel (v erb id=f06 h ) ...............................................................................49 8.18. v erb ? s et c onverter s tream , c hannel (v erb id=706 h ) ................................................................................50 8.19. v erb ? g et p in w idget c ontrol (v erb id=f07 h ) ..............................................................................................50 8.20. v erb ? s et p in w idget c ontrol (v erb id=707 h ) ...............................................................................................51 8.21. v erb ? g et u nsolicited r esponse c ontrol (v erb id=f08 h ) ...........................................................................52 8.22. v erb ? s et u nsolicited r esponse c ontrol (v erb id=708 h ) ............................................................................52 8.23. v erb ? g et p in s ense (v erb id=f09 h )..................................................................................................................53 8.24. v erb ? e xecute p in s ense (v erb id=709 h )..........................................................................................................53 8.25. v erb ? g et c onfiguration d efault (v erb id=f1c h /f1d h /f1e h /f1f h ).........................................................54 8.26. v erb ? s et c onfiguration d efault b ytes 0, 1, 2, 3 (v erb id=71c h /71d h /71e h /71f h ).................................54 8.27. v erb ? g et beep g enerator (v erb id=f0a h ) ...................................................................................................55 8.28. v erb ? s et beep g enerator (v erb id=70a h ) ....................................................................................................55 8.29. v erb ? g et gpio d ata (v erb id= f15 h ) ..............................................................................................................56 8.30. v erb ? s et gpio d ata (v erb id= 715 h )...............................................................................................................56 8.31. v erb ? g et gpio e nable m ask (v erb id=f16 h ).................................................................................................57 8.32. v erb ? s et gpio e nable m ask (v erb id=716 h ) .................................................................................................57 8.33. v erb ? g et gpio d irection (v erb id=f17 h ).......................................................................................................58 8.34. v erb ? s et gpio d irection (v erb id=717 h ) .......................................................................................................58 8.35. v erb ? g et gpio u nsolicited r esponse e nable m ask (v erb id=f19 h ) .......................................................59 8.36. v erb ? s et gpio u nsolicited r esponse e nable m ask (v erb id=719 h ) ........................................................59 8.37. v erb ? g et d igital c onverter c ontrol 1 & c ontrol 2 (v erb id= f0d h , f0e h )..........................................60 8.38. v erb ? s et d igital c onverter c ontrol 1 & c ontrol 2 (v erb id=70d h , 70e h )............................................61 8.39. v erb ? g et s ubsystem id [31:0] (v erb id=f20 h /f21 h /d22 h /f23 h ) ..................................................................62 8.40. v erb ? s et s ubsystem id [31:0] (v erb id=723 h /722 h /721 h /720 h for [31:24]/[23:16]//[15:8]/[7:0]) ...............62 8.41. v erb ? g et /s et eapd c ontrol (v erb id=f0c h for g et , 70c h for s et ).........................................................63 8.42. v erb ? f unction r eset (v erb id=7ff h ) ..............................................................................................................64 9. electrical cha racteristics ..................................................................................................... .....................65 9.1. dc c haracteristics ............................................................................................................................... ................65 9.1.1. absolute maxi mum ratings ....................................................................................................... ...........................65 9.1.2. threshold voltage .............................................................................................................. ..................................65 9.1.3. spdif output c haracteristics ................................................................................................... ..........................66 9.1.4. digital filter c haracteristics ................................................................................................. ..............................66 9.2. ac c haracteristics ............................................................................................................................... ................67 www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec v track id: jatr-1076-21 rev. 1.0 9.2.1. link reset and in itialization timing........................................................................................... ..........................67 9.2.2. link timing parame ters at the codec ............................................................................................ ......................68 9.2.3. spdif output timing............................................................................................................ ...............................69 9.2.4. test mode ...................................................................................................................... .......................................69 9.3. a nalog p erformance ............................................................................................................................... .............70 10. application circuits ........................................................................................................... ............................71 10.1. f ilter c onnection ............................................................................................................................... ..................71 10.2. o nboard f ront p anel h eader c onnection and f ront p anel i/o ..................................................................72 10.3. p ower s upply and a nalog i nput /o utput c onnection .....................................................................................73 10.4. o ptional spdif o utput ............................................................................................................................... ..........74 11. mechanical dimensions.......................................................................................................... .......................75 12. ordering information ........................................................................................................... ........................76 www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec vi track id: jatr-1076-21 rev. 1.0 list of tables t able 1. d igital i/o p ins ............................................................................................................................... ...........................7 t able 2. a nalog i/o p ins ............................................................................................................................... ..........................7 t able 3. f ilter /r eference ............................................................................................................................... .......................8 t able 4. p ower /g round ............................................................................................................................... ............................8 t able 5. l ink reset# ......................................................................................................................... ...................................10 t able 6. hda s ignal d efinitions ............................................................................................................................... ..........10 t able 7. d efined s ample r ate and t ransmission r ate ....................................................................................................16 t able 8. 48 k h z v ariable r ate of d elivery t iming ..........................................................................................................16 t able 9. 44.1 k h z v ariable r ate of d elivery t iming .......................................................................................................17 t able 10. 40-b it c ommands in 4-b it v erb f ormat .............................................................................................................20 t able 11. 40-b it c ommands in 12-b it v erb f ormat ...........................................................................................................20 t able 12. s upported c ommands ............................................................................................................................... .............21 t able 13. s upported p arameters ............................................................................................................................... ...........22 t able 14. s olicited r esponse f ormat ............................................................................................................................... ...23 t able 15. u nsolicited r esponse f ormat .............................................................................................................................23 t able 16. s ystem p ower s tate d efinitions .........................................................................................................................25 t able 17. p ower c ontrols in nid 01 h ............................................................................................................................... ...25 t able 18. p owered d own c onditions ............................................................................................................................... ....25 t able 19. v erb ? g et p arameters (v erb id=f00 h ).............................................................................................................26 t able 20. p arameter ? v endor id (v erb id=f00 h , p arameter id=00 h )..........................................................................26 t able 21. p arameter ? r evision id (v erb id=f00 h , p arameter id=02 h ) ........................................................................26 t able 22. p arameter ? s ubordinate n ode c ount (v erb id=f00 h , p arameter id=04 h ) ...............................................27 t able 23. p arameter ? f unction g roup t ype (v erb id=f00 h , p arameter id=05 h ) ......................................................27 t able 24. p arameter ? a udio f unction c apabilities (v erb id=f00 h , p arameter id=08 h )..........................................27 t able 25. p arameter ? a udio w idget c apabilities (v erb id=f00 h , p arameter id=09 h ).............................................28 t able 26. p arameter ? s upported pcm s ize , r ates (v erb id=f00 h , p arameter id=0a h ) ...........................................29 t able 27. p arameter ? s upported s tream f ormats (v erb id=f00 h , p arameter id=0b h )...........................................30 t able 28. p arameter ? p in c apabilities (v erb id=f00 h , p arameter id=0c h ) ...............................................................30 t able 29. p arameter ? a mplifier c apabilities (v erb id=f00 h , i nput a mplifier p arameter id=0d h ).......................31 t able 30. p arameter ? a mplifier c apabilities (v erb id=f00 h , o utput a mplifier p arameter id=12 h ) ....................31 t able 31. p arameter ? c onnect l ist l ength (v erb id=f00 h , p arameter id=0e h ) ......................................................32 t able 32. p arameter ? s upported p ower s tates (v erb id=f00 h , p arameter id=0f h ) ................................................32 t able 33. p arameter ? p rocessing c apabilities (v erb id=f00 h , p arameter id=10 h )..................................................33 t able 34. p arameter ? gpio c apabilities (v erb id=f00 h , p arameter id=11 h ) ............................................................33 t able 35. p arameter ? v olume k nob c apabilities (v erb id=f00 h , p arameter id=13 h ) .............................................33 t able 36. v erb ? g et c onnection s elect c ontrol (v erb id=f01 h ) ................................................................................34 t able 37. v erb ? s et c onnection s elect (v erb id=701 h ) .................................................................................................35 t able 38. v erb ? g et c onnection l ist e ntry (v erb id=f02 h ) .........................................................................................35 t able 39. v erb ? g et p rocessing s tate (v erb id=f03 h ) ...................................................................................................40 t able 40. v erb ? s et p rocessing s tate (v erb id=703 h ) ....................................................................................................40 t able 41. v erb ? g et c oefficient i ndex (v erb id=d h )......................................................................................................41 t able 42. v erb ? s et c oefficient i ndex (v erb id=5 h ) .......................................................................................................41 t able 43. v erb ? g et p rocessing c oefficient (v erb id=c h ) ............................................................................................41 t able 44. v erb ? s et p rocessing c oefficient (v erb id=4 h )..............................................................................................42 t able 45. v erb ? g et a mplifier g ain (v erb id=b h ) ...........................................................................................................42 t able 46. v erb ? s et a mplifier g ain (v erb id=3 h ).............................................................................................................45 t able 47. v erb ? g et c onverter f ormat (v erb id=a h )....................................................................................................46 t able 48. g et c onverter f ormat s upport ..........................................................................................................................46 t able 49. v erb ? s et c onverter f ormat (v erb id=2 h ) .....................................................................................................47 t able 50. v erb ? g et p ower s tate (v erb id=f05 h )............................................................................................................48 t able 51. v erb ? s et p ower s tate (v erb id=705 h ).............................................................................................................49 t able 52. v erb ? g et c onverter s tream , c hannel (v erb id=f06 h ) ...............................................................................49 www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec vii track id: jatr-1076-21 rev. 1.0 t able 53. v erb ? s et c onverter s tream , c hannel (v erb id=706 h ) ................................................................................50 t able 54. v erb ? g et p in w idget c ontrol (v erb id=f07 h ) ..............................................................................................50 t able 55. v erb ? s et p in w idget c ontrol (v erb id=707 h ) ...............................................................................................51 t able 56. v erb ? g et u nsolicited r esponse c ontrol (v erb id=f08 h ) ...........................................................................52 t able 57. v erb ? s et u nsolicited r esponse c ontrol (v erb id=708 h ) ............................................................................52 t able 58. v erb ? g et p in s ense (v erb id=f09 h )..................................................................................................................53 t able 59. v erb ? e xecute p in s ense (v erb id=709 h )..........................................................................................................53 t able 60. v erb ? g et c onfiguration d efault (v erb id=f1c h /f1d h /f1e h /f1f h ) .........................................................54 t able 61. v erb ? s et c onfiguration d efault b ytes 0, 1, 2, 3 (v erb id=71c h /71d h /71e h /71f h ).................................54 t able 62. v erb ? g et beep g enerator (v erb id= f0a h ) ..................................................................................................55 t able 63. v erb ? s et beep g enerator (v erb id= 70a h ) ...................................................................................................55 t able 64. v erb ? g et gpio d ata (v erb id= f15 h ) ..............................................................................................................56 t able 65. v erb ? s et gpio d ata (v erb id= 715 h ) ...............................................................................................................56 t able 66. v erb ? g et gpio e nable m ask (v erb id= f16 h )................................................................................................57 t able 67. v erb ? s et gpio e nable m ask (v erb id=716 h ) .................................................................................................57 t able 68. v erb ? g et gpio d irection (v erb id=f17 h ).......................................................................................................58 t able 69. v erb ? s et gpio d irection (v erb id=717 h ) .......................................................................................................58 t able 70. v erb ? g et gpio u nsolicited r esponse e nable m ask (v erb id=f19 h ) .........................................................59 t able 71. v erb ? s et gpio u nsolicited r esponse e nable m ask (v erb id=719 h )..........................................................59 t able 72. v erb ? g et d igital c onverter c ontrol 1 & c ontrol 2 (v erb id= f0d h , f0e h ) ..........................................60 t able 73. v erb ? s et d igital c onverter c ontrol 1 & c ontrol 2 (v erb id=70d h , 70e h ) ............................................61 t able 74. v erb ? g et s ubsystem id [31:0] (v erb id=f20 h /f21 h /f22 h /f23 h ) ...................................................................62 t able 75. v erb ? s et s ubsystem id [31:0] (v erb id=723 h /722 h /721 h /720 h for [31:24]/[23:16]//[15:8]/[7:0])................62 t able 76. v erb ? g et eapd c ontrol (v erb id=f0c h ) .......................................................................................................63 t able 77. v erb ? s et eapd c ontrol (v erb id=70c h )........................................................................................................63 t able 78. v erb ? f unction r eset (v erb id=7ff h ) ..............................................................................................................64 t able 79. a bsolute m aximum r atings ............................................................................................................................... .65 t able 80. t hreshold v oltage ............................................................................................................................... ................65 t able 81. spdif o utput c haracteristics ............................................................................................................................66 t able 82. d igital f ilter c haracteristics ...........................................................................................................................66 t able 83. l ink r eset and i nitialization t iming ..................................................................................................................67 t able 84. l ink t iming p arameters at the c odec ...............................................................................................................68 t able 85. spdif o utput t iming ............................................................................................................................... ..............69 t able 86. a nalog p erformance ............................................................................................................................... .............70 t able 87. o rdering i nformation ............................................................................................................................... ...........76 www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec viii track id: jatr-1076-21 rev. 1.0 list of figures f igure 1. b lock d iagram ............................................................................................................................... .........................5 f igure 2. p in a ssignments ............................................................................................................................... ........................6 f igure 3. hda l ink p rotocol ............................................................................................................................... ..................9 f igure 4. b it t iming ............................................................................................................................... .................................10 f igure 5. s ignaling t opology ............................................................................................................................... ...............11 f igure 6. sdo o utbound f rame ............................................................................................................................... ............12 f igure 7. sdo s tream t ag is i ndicated in sync...............................................................................................................12 f igure 8. s triped s tream on m ultiple sdo s ......................................................................................................................13 f igure 9. sdi i nbound s tream ............................................................................................................................... ...............14 f igure 10. sdi s tream t ag and d ata ............................................................................................................................... ....14 f igure 11. c odec t ransmits d ata o ver m ultiple sdi s ....................................................................................................15 f igure 12. l ink r eset t iming ............................................................................................................................... ...................19 f igure 13. c odec i nitialization s equence ...........................................................................................................................20 f igure 14. r esume f rom e xternal e vent (w ake -u p e vent ).............................................................................................24 f igure 15. l ink r eset and i nitialization t iming ................................................................................................................67 f igure 16. l ink s ignal t iming ............................................................................................................................... .................68 f igure 17. o utput t iming ............................................................................................................................... .........................69 f igure 18. f ilter c onnection ............................................................................................................................... .................71 f igure 19. o nboard f ront p anel h eader c onnection and f ront p anel i/o .................................................................72 f igure 20. a nalog i nput /o utput c onnection .....................................................................................................................73 f igure 21. o ptional spdif o utput ............................................................................................................................... ........74 www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 1 track id: jatr-1076-21 rev. 1.0 1. general description the ALC272 is a high definition audio codec that meets the current wlp3.10 (windows logo program) audio requirements for windows vista systems. featuring two stereo dacs, two stereo adcs, leg acy analog input to analog output mixing, one stereo digital microphone converter, and two independen t spdif output converters , the ALC272 provides a fully integrated audio solution for multimedia desktop and mobile pcs, and ultra mobile devices. the ALC272 integrates two stereo adcs and tw o stereo digital microphone converters to support simultaneous analog microphone recording and up to 4 channel digital microphone array recording, and features acoustic echo cancellation (aec), beam forming (bf), and noise suppression (ns) for voice applications. multiple analog io (e xcept mono, pcbeep, and hp-out) are input and output capable, and provide headphone amplifiers. four linear headphone amplifie rs are integrated to drive earphones on port-a, port-d, port-e and port-f. the fifth headphone amp lifier on port-i (hpout) is designed to drive an earphone without the need for external dc blocki ng capacitors, reducing pop noise and enhancing sound quality. the ALC272 provides two independent spdif output s and supports 16/20/24-bit spdif output with a sampling rate of up to 192khz, offering easy connec tion of pcs to high quality consumer electronic products such as digital decoders and speakers. in addition to th e standard (primary) spdif output function, the ALC272 features another independent (s econdary) spdif-out output and converters that transport digital audio output to a high definition media interface (hdmi) transmitter (becoming more common in high-end pcs). in addition to the audio functions, the ALC272 supports enhanced power management. its power management design conforms to intel?s audio codec low power state white paper and is ecr compliant, reducing power consumption when the audio function is not being used, and offering jack detection wake-up when the system is in power down state so as to extend battery life fo r mobile systems without sacrificing audio features. the ALC272 supports host audio controller from the in tel ich series chipset, and also from any other hda compatible audio controller. with software ut ilities like karaoke mode, environment emulation, multi-band software equalizer, dynamic range compressor and extender, optional dolby ? digital live, dts ? connect ? , dolby ? home theater, and srs ? programs, the ALC272 provides an excellent home entertainment package and game experience for pc users. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 2 track id: jatr-1076-21 rev. 1.0 2. features 2.1. hardware features ? meets performance and function requirements fo r microsoft wlp 3.10, and stricter performance requirements for future wlp ? two stereo dac support 16/20/24-bit pcm for two independent playback (multiple streaming) ? two stereo adc supports 16/20/24-bit pcm format for two independent recording ? all dacs support independent 44.1 k/48k/96k/192khz sample rate ? all adcs support independent 44.1 k/48k/96k/192khz sample rate ? two independent spdif outputs support 16/20/ 24-bit format and 44.1k/48k/88.2k/96k/192khz rate ? all analog jack ports except mono, beep-in and hp-out are stereo input and output re-tasking ? supports line level mono output ? supports analog pcbeep input, and features an integrated digital beep generator ? support two stereo digital microphone input for microphone array aec/bf application ? each stereo digital microphone inte rface has its own clock output to support independent sample rate ? supports legacy analog mixer architecture ? built-in five headphone amplifiers on port- a and port-d, port-e, port-f and port-i. ? headphone amplifier on port-i (hp-out) is designed to drive output without external dc blocking capacitors ? software selectable 2.5v and 3.2v reference output for microphone bias ? software selectable boost gain (+10/ +20/+30db) for analog microphone input ? two jack detection pins; each suppor ts detection of up to 4 jacks ? supports two gpio (general purpose input/outpu t) pins (pin sharing with digital microphone interface) ? supports eapd (external amplifier power down) control for external amplifier ? supports anti-pop mode when analog power avdd is on and digital power is off ? supports 1.5v~3.3v scalable i/o for hd audio link ? 48-pin lqfp ?green? package www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 3 track id: jatr-1076-21 rev. 1.0 ? jack detection function is supported when device is in power down mode (d3) ? independent secondary spdif converter and pin to output digital stream to hdmi transmitter ? intel low power ecr compliant, supports power st atus control for each analog converter and pin widgets, supports jack detection and wake up event in d3 mode 2.2. software features ? meets microsoft wlp 3.10 and fu ture wlp audio requirements ? wavert-based audio functi on driver for windows vista ? eax? 1.0 & 2.0 compatible ? direct sound 3d? compatible ? a3d? compatible ? i3dl2 compatible ? emulation of 26 sound environments to enhance gaming experience ? multi-band software equalizer a nd related tools are provided ? voice cancellation and key shifting effect ? dynamic range control (expander, compressor and limiter) with adjustable parameters ? intuitive configuration panel (realtek a udio manager) to enhance user experience ? provides 10-foot gui for easy menu na vigation on windows media center ? microphone acoustic echo cancellation (aec), nois e suppression (ns), and beam forming (bf) technology for voice application ? smart multiple streaming operation ? hdmi audio driver for amd platform ? dolby? pcee program? (optio nal software feature) ? dts? connect? (optional software feature) ? srs? truesurround hd (opti onal software feature) www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 4 track id: jatr-1076-21 rev. 1.0 ? fortemedia? sam? technology for voice pro cessing (beam forming and acoustic echo cancellation) (optional software feature) 3. system applications ? desktop and mobile pcs ? ultra mobile devices www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 5 track id: jatr-1076-21 rev. 1.0 4. block diagram digital interface line1(port-c) lout1 (port-d) s/pdif -out1 parameters 1 beep-in 06h mic1(port-b) digital converter 0/10/20/30db gain in 4 step pcm-2 pcm-1 s/pdif-out 22h 02h 03h 14h 1dh 1ah 1eh o a :output w/ amplifier beep gen i/o m i/o boost vol m vol m vol m vol m i/o m a m m m m m m m m m vol m m vol 0ch 0dh lout1 lout2 m m m m m m m m 23h vol vol m m m sample rate 44.1k, 48k, 96k , 192k s/pdif -out2 digital converter s/pdif-out 11h sample rate 44.1k, 48k, 96k , 192k sp-out1 data sp-out2 data line adc 08h src dmic-1/2 dmic reciever 12h dmic-3/4 dmic reciever 13h dmic-clk1/2 1.576m/2.048m/3.072m clock m vol: -16.5~30db (1.5db/step) mix adc 09h src m mono-out (port -h) 17h mono o m m m 0fh /2 mono dmic-clk3/4 1.576m/2.048m/3.072m clock adc m vol adc m vol boost lout2(port-a) 15h i/o m a lout1 line2(port-e) 1bh i/o a m boost mic2(port-f) 19h i/o a m boost vol m hp-out (port - i ) 21h o m lout2 lout1 a sample rate 44.1k, 48k, 96k , 192k 0bh vol : -64~ 0db (1db/step) dac sample rate 44.1k, 48k, 96k , 192k src src dac lout2 lout1 lout2 lout1 lout2 lout2 lout1 lout2 18h sp-out1 data 10h sp-out2 data recorded pcm recorded pcm -34.5~+12db (1.5db /step) figure 1. block diagram www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 6 track id: jatr-1076-21 rev. 1.0 5. pin assignments ) lout2-l(port-a-l) nc spdifo1 avss2 avdd2 line1- r ( - c- r mic2- l ( -f- l ) line2- l ( port -e-l) eapd jdref sense a mic1- vrefo vref avss1 av dd1 sdat a-out bitclk sda ta-i n sy n c reset# pcbeep-in mic1- l ( - b- l ) dvdd dvss dvss dv dd-i o line2- r ( - e- r) mic2- r ( - f- r) mic1- r ( - b- r) line1- l ( - c- l) ALC272 lllllll txxxvs dmic-clk1/2 spdifo2 gpio0/dmic-data1/2 cbp cbn cpv ee hpout-r (port-i-r) hpout- l (port-i- l) li ne2-vrefo mic2- vrefo li ne1-vrefo mono - out 36 35 34 33 32 31 30 29 28 27 26 25 17 18 19 20 24 23 22 21 13 14 15 16 44 43 42 41 37 38 39 40 48 47 46 45 1 2 3 4 5 6 78 9 10 11 12 port port port port port port port sense b lout2-r(port-a-r) dmic-clk3/4 gpio1/dmic-data3/4 lout1-l (port-d-l) lout1-r (port-d-r) figure 2. pin assignments 5.1. package and version identification green package is indicated by a ?g? in the location ma rked ?t?. the silicon vers ion and step numbers are shown in the location marked ?v? and ?s?. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 7 track id: jatr-1076-21 rev. 1.0 6. pin descriptions 6.1. digital i/o pins table 1. digital i/o pins name type pin description characteristic definition reset# i 11 h/w reset v t =0.5*dvddio sync i 10 sample sync (48khz) v t =0.5*dvddio bitclk i 6 24mhz bit clock input v t =0.5*dvddio sdata-out i 5 serial tdm data input v t =0.5*dvddio sdata-in o 8 serial tdm data output in: v t =0.5*dvddio out: v oh =dvddio, v ol =dvss gpio0 / dmic-data1/2 io 2 general purpose input/output 0 / data input for digital mic1/2 in: v t =0.5*dvdd; out: v oh =dvdd, v ol =dvss / shared with the digital mic input data. gpio1 / dmic-data3/4 io 3 general purpose input/output 1/ data input for digital mic3/4 in: v t =0.5*dvdd; out: v oh =dvdd, v ol =dvss / shared with the digital mic input data. eapd o 47 external amplifier power down v oh =dvddio, v ol =dvss spdifo1 o 48 spdif output 1 output has 12 ma@75 ? driving capability. spdifo2 o 45 spdif output 2 output has 12 ma@75 ? driving capability. dmic-clk3/4 o 44 clock output for digital mic3/4 3.072m / 1.536m / 2.048m hz dmic-clk1/2 o 46 clock output for digital mic1/2 3.072m / 1.536m / 2.048m hz total: 12 pins 6.2. analog i/o pins table 2. analog i/o pins name type pin description characteristic definition line2-l io 14 2 nd line input left channel analog input/output, default is input (port-e-l) line2-r io 15 2 nd line input right channel analog input/output, default is input (port-e-r) mic2-l io 16 2 nd stereo microphone input left channel analog input/output, default is input (port-f-l) mic2-r io 17 2 nd stereo microphone input right channel analog input/output, default is input (port-f-r) mic1-l io 21 1 st stereo microphone input left channel analog input/output, default is input (port-b-l) mic1-r io 22 1 st stereo microphone input right channel analog input/output, default is input (port-b-r) line1-l io 23 1 st line input left channel analog input/output, default is input (port-c-l) line1-r io 24 1 st line input right channel analog input/output, default is input (port-c-r) pcbeep-in i 12 external pcbeep input analog input, 1.6vrms of full-scale input hpout-r o 32 headphone out right channel analog output (port-i-r) hpout-l o 33 headphone out left channel analog output (port-i-l) lout1-l io 35 lout1 output left ch annel analog output (port-d-l) lout1-r io 36 lout1 output right channel analog output (port-d-r) www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 8 track id: jatr-1076-21 rev. 1.0 name type pin description characteristic definition mono-out o 37 mono-out analog output (port-h) lout2-l io 39 lout2 left channe l analog output (port-a-l) lout2-r io 41 lout2 right channel analog output (port-a-r) sense a i 13 jack detect pin 1 jack resistor network (5.1k, 10k, 20k, 39.2k) with 1% accuracy sense b i 34 jack detect pin 2 jack resistor network (5.1k, 10k, 20k, 39.2k) with 1% accuracy total: 18 pins 6.3. filter/reference/not connect table 3. filter/reference name type pin description characteristic definition vref - 27 2.5v reference voltage typical 2.25v, 10f capacitor to analog ground line1-vrefo o 18 bias voltage for mic2 jack 2.5v/3.2v reference voltage mic2-vrefo o 19 bias voltage for mic2 jack 2.5v/3.2v reference voltage line2-vrefo o 20 bias voltage for line2 jack 2.5v/3.2v reference voltage mic1-vrefo o 28 bias voltage for mic1 jack 2.5v/3.2v reference voltage cbp - 29 charge pump bucket capacitor 2.2f capacitor to cbn (positive terminal to cbp) cbn - 30 charge pump bucket capacitor 2.2f capacitor to cbp (negative terminal to cbn) cpvee - 31 reference voltage 2.2f capacitor to analog ground (negative terminal to cpvee, positive to analog ground) jdref - 40 reference resistor for jack detection 20k,1% resistor to analog ground nc - 43 not connect total: 10 pins 6.4. power/ground table 4. power/ground name type pin description characteristic definition avdd1 i 25 analog vdd analog power for mixer and amplifier avss1 i 26 analog gnd analog ground for mixer and amplifier avdd2 i 38 analog vdd analog power for dacs and adcs avss2 i 42 analog gnd analog ground for dacs and adcs dvdd i 1 digital vdd digital power for core dvss i 4 digital gnd digital ground for core dvdd-io i 9 digital vdd digital power for hda link (1.5v~3.3v) dvss i 7 digital gnd digital ground for hda link total: 8 pins www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 9 track id: jatr-1076-21 rev. 1.0 7. high definition audio link protocol 7.1. link signals the high definition audio (hda) link is the digital se rial interface that connect s the hda codecs to the hda controller. the hda link protocol is contro ller synchronous, based on a 24.0mhz bit-clk sent by the hda controller. the input and output stream s, including command and pcm data, are isochronous with a 48khz frame rate. figure 3 shows the basic concept of the hda link protocol. figure 3. hda link protocol www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 10 track id: jatr-1076-21 rev. 1.0 7.1.1. signal definitions table 5. link reset# item description bclk 24.0mhz bit clock sourced from the hda controller and connecting to all codecs. sync a 48khz signal used to synchronize input and output streams on the link. it is sourced from the hda controller and connects to all codecs. sdo serial data output signal driven by the hda controller to all codecs. commands and data streams are carried on sdo. the data rate is double-pumped; the controller drives data onto the sdo, the codec samples data present on sdo with respect to each edge of bclk. the hda controller mu st support at least one sdo. to extend outbound bandwidth, multiple sdos may be supported. sdi serial data input signal driven by the codec. this is point-to-point serial data from the codec to the hda controller. the controller must support at least one sdi. up to a maximum of 15 sdi?s can be supported. sdi is driven by the codec at each rising edge of bclk, and sampled by the controller at each rising edge of bclk. sdi can be driven by the controller to initialize the codec?s id. reset# active low reset signal. asserted to reset the codec to default power-on state. reset# is sourced from the hda controller and connects to all codecs. table 6. hda signal definitions signal name source type for controller description bclk controller output global 24.0mhz bit clock. sync controller output global 48khz frame sync and outbound tag signal. sdo controller output serial data output from controller. sdi codec/controller input/output serial data input from codec. weakly pulled down by the controller. reset# controller output global active low reset signal. sdo sync sdi bclk start of frame 8-bit frame sync 7654 0 1 2 3 999 998 997 996 995 994 993 992 991 990 3 2 1 0 499 498 497 496 495 494 controller samples sdi at rising edge of bclk codec samples sdo at both rising and falling edge of bclk figure 4. bit timing www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 11 track id: jatr-1076-21 rev. 1.0 7.1.2. signaling topology the hda controller supports two sdos for the out bound stream, up to 15 sdis for the inbound stream. reset#, bclk, sync, sdo0, and sdo1 are driven by the controller to codecs. each codec drives its own point-to-point sdi signa l(s) to the controller. figure 5 shows the possible connections between the hda controller and codecs: ? codec 0 is a basic connection. there is one single sdo and one single sdi for normal transmission ? codec 1 has two sdos for doubled outbound rate , and a single sdi for normal inbound rate ? codec 3 supports a single sdo for normal out bound rate, and two sdis for doubled inbound rate ? codec n has two sdos and multiple sdis the multiple sdos and multiple sdis are used to e xpand the transmission rate between controller and codecs. section 7.2 frame compos ition, page 12, describes the de tailed outbound and inbound stream compositions for single and multiple sdos/sdis. the connections shown in figure 5 can be implemented concurrently in an hda system. the ALC272 is designed to receive a single sdo stream. rst# bclk sync sdo0 sdi0 codec 0 rst# bclk sync sdo0 sdo1 sdi0 codec 1 rst# bclk sync sdo0 sdi1 codec 2 hda controller rst# bclk sync sdo0 sdo1 sdi0 sdi2 sdi14 rst# bclk sync sdo0 sdo1 sdi1 codec n sdi0 sdi0 sdi1 sdi13 . . . . . . . . . single sdo single sdi two sdos single sdi single sdo two sdis sdi2 two sdos multiple sdis figure 5. signaling topology www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 12 track id: jatr-1076-21 rev. 1.0 7.2. frame composition 7.2.1. outbound frame ? single sdo an outbound frame is composed of one 32-bit command stream and multiple data streams. there are one or multiple sample blocks in a data stream. only one sample block exists in a stream if the hda controller delivers a 48khz rate of samples to the c odec. multiple sample blocks in a stream means the sample rate is a multiple of 48khz. this means ther e should be 2 blocks in the same stream to carry 96khz samples (figure 6). for outbound frames, the stream tag is not in sdo, but in the sync signa l. a new data stream is started at the end of the stream tag. the stream tag include s a 4-bit preamble and 4-b it stream id (figure 7). to keep the cadence of converters bound to the same stream, samples for these converters must be placed in the same block. command stream sdo sync a 48khz frame is composed of command stream and multiple data streams stream 'x' data stream 'a' data stream 'a' tag stream 'x' tag frame sync (here 'a' = 5) (here 'x' = 6) next frame previous frame 0s null field sample block(s) block 1 block 2 .. . block y sample 1 sample 2 .. . sample z msb ... lsb for 48khz rate, only block1 is included one or multiple blocks in a stream for 96khz rate, block1 includes (n) th time of samples, block2 includes (n+1) th time of samples z channels of pcm sample msb first in a sample padded at the end of frame figure 6. sdo outbound frame sdo sync bclk data of stream 10 7654 0 1 2 3 preamble stream=10 110 0 msb lsb msb previous stream stream tag (4-bit) (4-bit) figure 7. sdo stream tag is indicated in sync www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 13 track id: jatr-1076-21 rev. 1.0 7.2.2. outbound frame ? multiple sdos the hda controller allows two sdo signals to be used to stripe ou tbound data, completing transmission in less time to get more bandwidth. if software dete rmines that the target codec supports multiple sdo capability, it enables the ?stripe control? bit in the controller?s output st ream control register to initiate a specific stream (stream ?a? in figure 8) to be tr ansmitted on multiple sdos. in this case, the msb of stream data is always carried on sdo0, the second bit on sdo1 and so forth. sdo1 is for transmitting a striped stream. the codec does not support multiple sdos connected to sdo0. to guarantee all codecs can dete rmine their corresponding stream, the command stream is not striped. it is always transmitted on sdo0, and copied on sdo1. figure 8. striped stream on multiple sdos www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 14 track id: jatr-1076-21 rev. 1.0 7.2.3. inbound frame ? single sdi an inbound frame ? single sdi is composed of one 36- bit response stream and multiple data streams. except for the initialization sequence (turnaround and address frame), sdi is driven by the codec at each rising edge of bclk. the controlle r also samples data at the ri sing edge of bc lk (figure 9). the sdi stream tag is not carried by sync, but incl uded in the sdi. a complete sdi data stream includes one 4-bit stream tag, one 6-bit data length, and n-bit sample blocks. zeros will be padded if the total length of the contiguous sample blocks within a given stream is not of integral byte length (figure 10). response stream sdi sync a 48khz frame is composed of a respon se stream and multiple data streams stream 'x' stream 'a' frame sync next frame previous frame 0s null field sample 1 sample 2 ... sample z msb ... lsb for 48khz rate, only block1 is included for 96khz rate, block{1, 2} includes {(n) th (n+1) th } time of samples z channels of pcm sample msb first in a sample padded at the end of frame sample block(s) stream tag block 1 block 2 ... block y null pad figure 9. sdi inbound stream bclk sdi data length in bytes d n-1 00 00 stream tag b 0 d n-2 b 1 b 2 b 3 b 4 b 5 b 6 b 7 b 8 b 9 d 0 (data length in bytes *8)-bit next stream null pad n-bit sample block a complete stream figure 10. sdi stream tag and data www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 15 track id: jatr-1076-21 rev. 1.0 7.2.4. inbound frame ? multiple sdis a codec can deliver data to the controller on multip le sdis to achieve highe r bandwidth. if an inbound stream exceeds the data transfer limits of a single sdi, the codec can divide the data onto separate sdi signals, each of which operate indepe ndently, with different stream numb ers at the same frame time. this is similar to having multiple codecs connected to the controller. the controller samples the divided stream into separate memory with multiple dma descriptors, then software re-combines the divided data into a meaningful stream. response stream sdi 0 sync stream 'x' frame sync sdi 1 0s tag a stream a, b, x, and y are inde pendent and have separate ids data a tag b data b codec drives sdi 0 and sdi 1 stream 'a' stream 'b' response stream 0s stream 'y' figure 11. codec transmits data over multiple sdis 7.2.5. variable sample rates the hda link is designed for sample rates of 48khz. va riable sample rates are delivered in multiple or sub-multiple rates of 48khz. two sample blocks per frame result in a 96khz delivery rate, one sample block over two frames results in a 24khz delivery rate . the hda specification states that the sample rate of the outbound stream be synchronized by the contro ller, not by the codec. each stream has its own sample rate, independent of any other stream. the hda controller supports 48khz and 44.1khz base rates. table 7, page 16, shows the recommended sample rates based on multiples or sub-multiples of one of the two base rates. rates in sub-multiples (1/n) of 48khz are interleavi ng n frames containing no sample blocks. rates in multiples (n) of 48khz contain n sample blocks in a frame. table 8, page 16, shows the delivery cadence of variable rates based on 48khz. the hda link is defined to operate at a fixed 48khz frame rate. to deliver samples in (sub) multiple rates of 44.1khz, an appropriate ratio between 44.1khz and 48khz mu st be maintained to avoid frequency drift. the appropriate ratio betw een 44.1khz and 48khz is 147/160. meaning 147 sample blocks are transmitted every 160 frames. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 16 track id: jatr-1076-21 rev. 1.0 the cadence ?12-11-11-12-11-11-12- 11-11-12-11-11-11- (repeat)? inte rleaves 13 frames containing no sample blocks in every 160 frames. it provides a low long-term frequency dr ift for 44.1khz of delivery rate. rates in sub-multiples (1/n) of 44.1khz also follow this cadence and interleave n empty frames. rates in multiples (n) of 44.1khz applying this cadence contain n sample blocks in the non-empty frame and interleave an empty frame between non-empty frames (table 9 , page 17). table 7. defined sample rate and transmission rate (sub) multiple 48khz base 44.1khz base 1/6 8khz (1 sample block every 6 frames) - 1/4 12khz (1 sample block every 4 frames) 11.025khz (1 sample block every 4 frames) 1/3 16khz (1 sample block every 3 frames) - 1/2 - 22.05khz (1 sample block every 2 frames) 2/3 32khz (2 sample blocks every 3 frames) - 1 48khz (1 sample block per frame) 44.1khz (1 sample block per frame) 2 96khz (2 sample blocks per frame) 88.2khz (2 sample blocks per frame) 4 192khz (4 sample blocks per frame) 176.4khz (4 sample blocks per frame) table 8. 48khz variable rate of delivery timing rate delivery cadence description 8khz ynnnnn (repeat) one sample bloc k is transmitted in every 6 frames 12khz ynnn (repeat) one sample block is transmitted in every 4 frames 16khz ynn (repeat) one sample block is transmitted in every 3 frames 32khz y 2 nn (repeat) one sample block is transmitted in every 6 frames 48khz y (repeat) one sample block is transmitted in each frames 96khz y 2 (repeat) two sample blocks are transmitted in each frame 192khz y 4 (repeat) four sample blocks are transmitted in each frame n: no sample block in a frame y: one sample block in a frame yx: x sample blocks in a frame www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 17 track id: jatr-1076-21 rev. 1.0 table 9. 44.1khz variable rate of delivery timing rate delivery cadence 11.025khz {12}{-}{11}{-}{11}{-}{12}{-}{11}{-}{11}{-}{12 }{-}{11}{-}{11}{-}{12}{-}{11}{-}{11}{-}{11}{-} (repeat) 22.05khz {12}{-}{11}{-}{11}{-}{12}{-}{11}{-}{11}{-}{12 }{-}{11}{-}{11}{-}{12}{-}{11}{-}{11}{-}{11}{-} (repeat) 44.1khz 12-11-11-12-11-11-12-11-11-12-11-11-11- (repeat) 88.2khz 12 2 -11 2 -11 2 -12 2 -11 2 -11 2 -12 2 -11 2 -11 2 -12 2 -11 2 -11 2 -11 2 - (repeat) 174.4khz 12 4 -11 4 -11 4 -12 4 -11 4 -11 4 -12 4 -11 4 -11 4 -12 4 -11 4 -11 4 -11 4 - (repeat) 11.025khz: {12}=ynnnynnnynnnynnnynnn ynnnynnnynnnyn nnynnnynnnynnn {11}=ynnnynnnynnnynnnynnn ynnnynnnynnnynnnynnnynnn { - }=nnnn 22.050khz: {12}=ynynynynynynynynynynynyn {11}=ynynynynynynynynynynyn { - }=nn 44.1khz 12- =contiguous 12 frames containing 1 sample blocks each, followed by one frame with no sample block. 88.2khz 12 2 - =contiguous 12 frames containing 2 sample blocks each, followed by one frame with no sample block. 174.4khz 12 4 - =contiguous 12 frames containing 4 sample blocks each, followed by one frame with no sample block. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 18 track id: jatr-1076-21 rev. 1.0 7.3. reset and initialization there are two types of re set within an hda link: ? link reset generated by assertion of the reset# signal. all codecs return to their power-on state ? codec reset generated by software directing a command to rese t a specific codec back to its default state an initialization sequence is requested after any of the following three events: ? link reset ? codec reset ? codec changes its power state, e.g., hot docking a codec to an hda system 7.3.1. link reset a link reset may be caused by any of the following three events: 1. the hda controller asserts reset# fo r any reason (power up, or pci reset) 2. software initiates a link reset via the ?crst? b it in the global control register (gcr) of the hda controller 3. software initiates power management sequences . figure 12, page 19, shows the ?link reset? timing including the ?enter? sequence ( n ~ r ) and ?exit? sequence ( s ~ v ) enter ?link reset?: n software writes a 0 to the ?crst? bit in the global control register of the hda controll er to initiate a link reset o as the controller completes the current frame, it does not signal the normal 8-bit frame sync at the end of the frame p the controller drives sync and all sdos to low. codecs also drive sdis to low q the controller asserts the reset# signal to low, and enters the ?link reset? state r all link signals driven by controller and codecs should be tri-state by inte rnal pull-low resistors www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 19 track id: jatr-1076-21 rev. 1.0 exit from ?link reset?: s if bclk is re-started for any reason (cod ec, wake-up event, power management, etc.) t software is responsible for de-asserting reset# after a minimum of 100 s bclk running time (the 100sec provides time for the codec pll to stabilize) u minimum of 4 bclks after reset# is de-asserted, the controller st arts to signal normal frame sync v the codec drives its sdi to request an initializati on sequence (when the sdi is driven high at the last bit of frame sync) sdos sync sdis bclk normal frame sync is absent rst# 4 bclk 4 bclk driven low driven low previous frame normal frame sync link in reset 1 2 4 5 3 6 7 pulled low pulled low driven low pulled low pulled low 8 9 >=100 usec >= 4 bclk initialization sequence wake event figure 12. link reset timing 7.3.2. codec reset a ?codec reset? is initiated via the codec reset co mmand verb. it results in the target codec being reset to the default state. after th e target codec completes its reset ope ration, an initialization sequence is requested. in the ALC272, the extend power state of conforming to intel low power ecr the function reset could not initialize the register setting. host sw needs to send ?two? function reset consecutively to reset all settings. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 20 track id: jatr-1076-21 rev. 1.0 7.3.3. codec initialization sequence n the codec drives sdi high at the last bit of sync to request a codec address (cad) from the controller o the codec stops driving the sdi during this turnaround period pqrs the controller drives sdi to assign a cad to the codec t the controller releases the sdi after the cad has been assigned u normal operating state sdix sync bclk rst# connection frame 1 2 4 5 6 7 normal operation response turnaround frame address frame (non-48khz frame) codec drives sdix sd0 sd1 sd14 controller drives sdix exit from reset codec turnaround ( 477 bclk max.) frame sync frame sync frame sync (non-48khz frame) controller turnaround ( 477 bclk max.) 3 8 codec drives sdix figure 13. codec initialization sequence 7.4. verb and response format 7.4.1. command verb format there are two types of verbs: one w ith 4-bit identifiers (4-bit verbs) and 16-bits of data, the other with 12-bit identifiers (12-bit verbs) a nd 8-bits of data. table 10 shows th e 4-bit verb stru cture of a command stream sent from the controller to operate the codec. table 11 is the 12-bit verb structure that gets and controls parameters in the codec. table 10. 40-bit commands in 4-bit verb format bit [39:32] bit [31:28] bit [27:20] bit [19:16] bit [15:0] reserved codec address node id verb id payload table 11. 40-bit commands in 12-bit verb format bit [39:32] bit [31:28] bit [27:20] bit [19:8] bit [7:0] reserved codec address node id verb id payload www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 21 track id: jatr-1076-21 rev. 1.0 table 12. supported commands supported verb get verb set verb root node audio function group modem function group *1 hdmi function group *1 vendor define group *1 audio out converter audio in converter pin widget sum widget selector widget power widget *1 volume knob beep generator vendor defined widget get parameter f00 - y y - - - y y y y y y y y y connection select f01 701 - - - - - - y y - y - - - - get connection list entry f02 - - - - - - - y y y y - - - - processing state f03 703 - - - - - - - - - - - - - - coefficient index d-- 5-- - - - - - - - - - - - - - y processing coefficient c-- 4-- - - - - - - - - - - - - - y amplifier gain/mute b-- 3-- - - - - - - y y y - - - - - stream format a-- 2-- - - - - - y y - - - - - - - digital converter 1 f0d 70d - - - - - y y - - - - - - - digital converter 2 f0d 70e - - - - - y y - - - - - - - power state f05 705 - y - - - y y y - - - - - - channel / stream id f06 706 - - - - y y - - - - - - - sdi select f04 704 - - - - - - - - - - - - - - pin widget control f07 707 - - - - - - - y - - - - - - unsolicited enable f08 708 - - - - - - - y - - - y - - pin sense f09 709 - - - - - - - y - - - - - - eapd control f0c 70c - - - - - - - y - - - - - - all gpio control f10- f1a 710- 71a - y - - - - - - - - - - - - beep generator control f0a 70a - - - - - - - - - - - - y - volume knob control f0f 70f - - - - - - - - - - - - - - subsystem id, byte 0 f20 720 - y - - - - - - - - - - - - subsystem id, byte 1 f20 721 - y - - - - - - - - - - - - subsystem id, byte 2 f20 722 - y - - - - - - - - - - - - subsystem id, byte 3 f20 723 - y - - - - - - - - - - - - config default, byte 0 f1c 71c - - - - - - - y - - - - - - config default, byte 1 f1c 71d - - - - - - - y - - - - - - config default, byte 2 f1c 71e - - - - - - - y - - - - - - config default, byte 3 f1c 71f - - - - - - - y - - - - - - reset - 7ff - y - - - - - - - - - - - - *1: the ALC272 does not support modem/hdmi/vendor groups and power state widgets. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 22 track id: jatr-1076-21 rev. 1.0 table 13. supported parameters supported parameter parameter id root node audio function group modem function group *1 hdmi function group *1 vendor define group *1 audio out converter audio in converter pin widget sum widget selector widget power widget *1 volume knob beep generator vendor defined widget vendor id 00 y - - - - - - - - - - - - - revision id 02 y - - - - - - - - - - - - - subordinate node count 04 y y - - - - - - - - - - - - function group type 05 - y - - - - - - - - - - - - audio function group capabilities 08 - y - - - - - - - - - - - - audio widget capabilities 09 - - - - - y y y y y y y y y sample size, rate 0a - y - - - y y - - - - - - - stream formats 0b - y - - - y y - - - - - - - pin capabilities 0c - - - - - - - y - - - - - - input amp capabilities 0d - - - - - - y - y y - - - - output amp capabilities 12 - - - - - - - y y - - - - - connection list length 0e - - - - - - y y y y - - - - supported power states 0f - y - - - y y y y y - - - y processing capabilities 10 - - - - - - - - - - - - - y gpi/o count 11 - - - - - - - - - - - - - - volume knob capabilities 13 - - - - - - - - - - - - - - *1: the ALC272 does not support modem/hdmi/vendor groups and power state widgets. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 23 track id: jatr-1076-21 rev. 1.0 7.4.2. response format there are two types of response from the codec to th e controller. solicited res ponses are returned by the codec in response to a current command verb. the codec will send solicited response data in the next frame, without regard to the set (write) or get (read) command. the 32-bit res ponse is interpreted by software, opaque to the controller. unsolicited responses are sent by the codec independen tly of software requests. jack detection or gpi status information can be actively delivered to the controller and interpreted by software. the ?tag? in bit[31:28] is used to identify uns olicited events. this tag is un defined in the hda specifications. table 14. solicited response format bit [35] bit [34] bit [33:32] bit [31:0] valid unsol=0 reserved response table 15. unsolicited response format bit [35] bit [34] bit [33:32] bit [31:28] bit [27:0] valid unsol=1 reserved tag response 7.4.3. double function reset this new reset is created by sending two function group resets back to ba ck. this function group ?double? reset shall do a full initialization and reset al l settings to their power on defaults. a double reset is defined as two function group reset verbs receive d without any other intervening valid verbs. the reset verbs are not required to be received in sequential frames, but there must not be any other verbs received in frames between the receipt of the functi on group reset verbs. it is allowed that there are several null commands received in frames between function group reset verbs. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 24 track id: jatr-1076-21 rev. 1.0 7.5. power management the ALC272 is designed to meet intel?s low-powe r-state white paper and is ecr hda-015b compliant. it meets the five attributes discussed in the white paper: 1. d3 state power < 30mw (without pc-beep pa ss-through function, with pc-beep pass-through function, the criteria is 60mw. 2. exit latency (d3 to d0 transfer) < 10ms. 3. audio pop/click suppression during d3 and d0 transition < -65dbv. 4. supports jack detection in d3 state. 5. d3 functions with or without the bitclk the ALC272 minimizes d3 state idle mode power consumption and increases overall battery life in mobile systems. in d3 mode, only a power on reset or a ?double f unction reset? resets all ALC272 settings, cutting software configuration time spent entering/leaving d3 state, and reducing latency time for d3 to d0 transitions. the ALC272 supports wake-up events in d3 mode, incl uding jack detection and gpio status changes. if the hda-link was alive (with bclk), the ALC272 wake-up response is as normal. if no bitclk is present, the ALC272 drives the sdi hi gh in order to wake up the system figure 14. resume from external event (wake-up event) www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 25 track id: jatr-1076-21 rev. 1.0 all power management state changes in widgets ar e driven by software. table 16 shows the system power state definitions. in the ALC272, all the widgets, including output/input converters, support power control. software may have various power states depending on system configuration. table 17 indicates those nodes that support power management. to simplify powe r control, software can configur e whole codec power states through the audio function (nid=01h). output converters (dacs) and input converters (adcs) have no individual power control to suppl y fine-grained power control. table 16. system power state definitions power states definitions d0 all power on. individual dacs and adcs can be powered up or down as required. d1 all amplifiers and converters (dacs and adcs ) are powered down. stat e maintained, analog reference stays up. d2 all amplifiers and converters (dacs and adcs) are powered down. state maintained, but analog reference is off (d1 + analog reference off). d3 power still supplied. the codec stops the internal clock. state is maintained. d3 (no bitclk) power still supplied, bitc lk stopped, and reset in low state. table 17. power controls in nid 01h description d0 d1 d2 d3 d3 (no bclk) link reset link response normal normal normal pd pd pd dacs normal pd pd pd pd pd adcs normal pd pd pd pd pd all headphone drivers normal normal pd pd pd normal all mixers normal normal pd pd pd normal audio function (nid=01h) all reference normal normal pd pd pd normal table 18. powered down conditions condition description link response powered down internal clock is stopped. sdata-in and spdif-out are floated with pulled low 47k resistors internally. spdif-in is also floated. detection of ?link reset entry? and ?link reset exit? sequences are supported. all states are maintained if dvdd is supplied. dacs powered down analog block and digital filter are powered down. adcs powered down analog block and digital filter are powered down. data on sdata-in is quiet. headphone driver powered down all headphone drivers are powered down. mixers powered down all internal mixer widgets are powered down. the dc reference and vrefoutx at individual pin complexes are still alive. reference power down all internal references, dc reference, and vrefoutx at individual pin complexes are off. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 26 track id: jatr-1076-21 rev. 1.0 8. supported verbs and parameters this section describes the verbs a nd parameters supported by various wi dgets in the ALC272. if a verb is not supported by the addressed widget, it will respond with 32 bits of ?0?. 8.1. verb ? get parameters (verb id=f00h) the ?get parameters? verb is used to get system information and the function capabilities of the hda codec. all the parameters are read-only. there are a total of 15 id parameters defined for each widget. some parameters are supported on ly in a specific widget. refer to section 7.4.1 command verb format, page 20, to get detailed informa tion about supported parameters. table 19. verb ? get parameters (verb id=f00h) get parameter command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=00h verb id=f00h parameter id[7:0] 32-bit response note: if the parameter id is not supported, th e returned response is 32 bits of ?0?. 8.1.1. parameter ? vendor id (verb id=f00h, parameter id=00h) table 20. parameter ? vendor id (verb id=f00h, parameter id=00h) codec response format bit description 31:16 vendor id=10ech (realtek?s pci vendor id). 15:0 device id=0272h. note 1: the root node (nid=00h) supports this parameter. 8.1.2. parameter ? revision id (verb id=f00h, parameter id=02h) table 21. parameter ? revision id (verb id=f00h, parameter id=02h) codec response format bit description 31:24 reserved. read as 0?s. 23:20 majrev=1h. the major version number (in decimal) of the hda specification to which the ALC272 is fully compliant. 19:16 minrev=0h. the minor version number (in decimal) of the hda specification to which the ALC272 is fully compliant. 15:8 revision id. the vendor?s revision number. note: 00h indicates ALC272 silicon. 7:0 stepping id. the vendor?s stepping number within the given revision id. note: the root node (nid=00h) supports this parameter. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 27 track id: jatr-1076-21 rev. 1.0 8.1.3. parameter ? subordi nate node count (verb id=f00h, parameter id=04h) for the root node, the subordinate node count pr ovides information about audio function group nodes associated with the root node. for function group nodes, it provides the total number of widgets associated w ith this function node. table 22. parameter ? subordinate node count (verb id=f00h, parameter id=04h) codec response format bit description 31:24 reserved. read as 0?s. 23:16 starting node number. the starting node number in the sequential widgets 15:8 reserved. read as 0?s. 7:0 total number of nodes. for a root node, this is the total number of function groups in the root node. for a function group, this is the total number of widget nodes in the function group. 8.1.4. parameter ? function group type (verb id=f00h, parameter id=05h) table 23. parameter ? function group type (verb id=f00h, parameter id=05h) codec response format bit description 31:9 reserved. read as 0?s. 8 unsol capable. 0: unsolicited response is not supported by this function group. 1: unsolicited response is supp orted by this function group. 7:0 function group type. 00h: reserved 01h: audio function 02h: modem function 03h~7fh: reserved 80h~ffh: vendor defined function 8.1.5. parameter? audio f unction capabilities (verb id=f00h, parameter id=08h) table 24. parameter ? audio function capa bilities (verb id=f00h, parameter id=08h) codec response format bit description 31:17 reserved. read as 0?s. 16 beep generator. a ?1? indicates the presence of an integrated beep generator within the audio function group. 15:12 reserved. read as 0?s. 11:8 input delay. number of samples delay from analog input to hda link. 7:4 reserved. read as 0?s. 3:0 output delay. number of samples delay from hda link to analog output. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 28 track id: jatr-1076-21 rev. 1.0 8.1.6. parameter ? audio widget capabilities (verb id=f00h, parameter id=09h) table 25. parameter ? audio widget capa bilities (verb id=f00h, parameter id=09h) codec response format bit description 31:24 reserved. read as 0?s. 23:20 widget type. 0h: audio output 1h: audio input 2h: mixer 3h: selector 4h: pin complex 5h: power widget 6h: volume knob widget 7h~eh: reserved fh: vendor defined audio widget 19:16 delay. samples delayed between the hda link and widgets. 15:12 reserved. read as 0?s. 11: l-r swap. 0: left channel and right channel swapping is not supported 1: left channel and right channel swapping is supported 10 power control. 0: power control is not supported on this widget 1: power control is supported on this widget 9 digital. 0: an analog input or output converter 1: a widget translating digital data between the hda link and digital i/o (spdif, i2s, etc.) 8 connlist. connection list. 0: connected to hda link. no connection list entry will be queried 1: connection list entry must be queried 7 unsolcap. unsolicited capable. 0: unsolicited response is not supported 1: unsolicited response is supported 6 procwidget. processing widget. 0: no processing control 1: processing control is supported 5 reserved. read as 0. 4 format override. note: the ALC272 supports 16/20/24-bit with 44.1khz, 48khz, 96khz and 192khz sample rate. the format (parameter id=0ah) must be queried 3 ampparovr (amp param override). override amplifier parameters (gain control) in individual output pin complexes, adcs, and mixer widgets. 2 outamppre (out amp present). 1 inamppre (in amp present). there are amplifiers (gain control) in individual adcs and mixer widgets. 0 stereo. 0: mono widget 1: stereo widget www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 29 track id: jatr-1076-21 rev. 1.0 8.1.7. parameter ? supported pcm size, rates (verb id=f00h, parameter id=0ah) parameters in audio functions provide default inform ation about formats. indivi dual converters have their own parameters to provide supported formats if their ?format override? bit is set. table 26. parameter ? supported pcm size, rates (verb id=f00h, parameter id=0ah) codec response format bit description 31:21 reserved. read as 0?s. 20 b32. 32-bit audio format support. 0: not supported 1: supported 19 b24. 24-bit audio format support. 0: not supported 1: supported (the ALC272 dac and adc supports this format) 18 b20. 20-bit audio format support. 0: not supported 1: supported (the ALC272 dac and adc supports this format) 17 b16. 16-bit audio format support. 0: not supported 1: supported (the ALC272 dac and adc supports this format) 16 b8. 8-bit audio format support. 0: not supported 1: supported 15:12 reserved. read as 0?s. 11 r12. 384khz (=8*48khz) rate support. 0: not supported 1: supported 10 r11. 192khz (=4*48khz) rate support. 0: not supported 1: supported (the ALC272 dac and adc support this sample rate) 9 r10. 176.4hz (=4*44.1khz) rate support. 0: not supported 1: supported 8 r9. 96khz (=2*48khz) rate support. 0: not supported 1: supported (the ALC272 dac and adc support this sample rate) 7 r8. 88.2khz (=2*44.1khz) rate support. 0: not supported 1: supported 6 r7. 48khz rate support. 0: not supported 1: supported (the ALC272 dac and adc support this sample rate) 5 r6. 44.1khz rate support. 0: not supported 1: supported (ALC272 dac and adc support this sample rate) 4 r5. 32khz (=2/3*48khz) rate support. 0: not supported 1: supported 3 r4. 22.05khz (=1/2*44.1khz) rate support. 0: not supported 1: supported 2 r3. 16khz (=1/3*48khz) rate support. 0: not supported 1: supported 1 r2. 11.025khz (=1/4*44.1khz) rate support. 0: not supported 1: supported 0 r1. 8khz (=1/6*48khz) rate support. 0: not supported 1: supported www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 30 track id: jatr-1076-21 rev. 1.0 8.1.8. parameter ? supported stream formats (verb id=f00h, parameter id=0bh) parameters in this node only provide default inform ation for audio function gr oups. individual converters have their own parameters to provide supported formats if the ?format override? bit is set. table 27. parameter ? supported stream formats (verb id=f00h, parameter id=0bh) codec response format bit description 31:3 reserved. read as 0?s. 2 ac3. 0: not supported 1: supported 1 float32. 0: not supported 1: supported 0 pcm. 0: not supported 1: supported (the ALC272 dac and adc support this format) note: input converters and output converters support this parameter. 8.1.9. parameter ? pin capabilities (verb id=f00h, parameter id=0ch) the pin capabilities parameter returns a bit field de scribing the capabilities of the pin complex widget. table 28. parameter ? pin capabilit ies (verb id=f00h, parameter id=0ch) codec response format bit description 31:16 reserved. read as 0?s. 15:8 vref control capability. ?1? in corresponding bit fiel d indicates signal levels of associated vrefout are specified as a percentage of avdd. 7:6 5 4 3 2 1 0 reserved 100% 80% reserved ground 50% hi-z 7 reserved. 6 balanced i/o pin. ?1? indicates this pin complex has balanced pins. 5 input capable. ?1? indicates this pin complex supports input. 4 output capable. ?1? indicates this pin complex supports output. 3 headphone drive capable. ?1? indicates this pin complex has an amplifier to drive a headphone. 2 presence detect capable. ?1? indicat es this pin complex can detect whether there is a device plugged in. 1 trigger required. ?1? indicates whether a software trigger is required for an impedance measurement. 0 impedance sense capable. ?1? indicates this pin complex can perform analog se nse on the attached device to determine its type. note: only pin complex widgets support this parameter. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 31 track id: jatr-1076-21 rev. 1.0 8.1.10. parameter? amplifier capabilities (verb id=f00h, input amplifier parameter id=0dh) parameters in this node provide audio function gr oup default information. individual converters have their own parameters to provide amplifier capab ilities if the ?amp param override? bit is set. table 29. parameter ? amplifier capabilities (v erb id=f00h, input amplifier parameter id=0dh) codec response format bit description 31 (input) mute capable. 30:23 reserved. read as 0. 22:16 step size. indicates the size of each step in the gain range. 15 reserved. read as 0. 14:8 number of steps. indicates the number of steps in the gain range. ?0? means the gain is fixed. 7 reserved. read as 0. 6:0 offset. indicates which step is 0db. 8.1.11. parameter ? amplifier capabilities (verb id=f00h, output amplifier parameter id=12h) parameters in this node provide audio function gr oup default information. individual converters have their own parameters to provide amplifier capab ilities if the ?amp param override? bit is set. table 30. parameter ? amplifier capabilities (ver b id=f00h, output amp lifier parameter id=12h) codec response format bit description 31 (output) mute capable. 30:23 reserved. read as 0. 22:16 step size. indicates the size of each step in the gain range. e ach individual step may be 0~32db, specified in 0.25db steps. ?0? indicates 0.25db step s. ?127? indicates 32db steps. 15 reserved. read as 0. 14:8 number of steps. indicates the number of steps in the gain range. ?0? means the gain is fixed. 7 reserved. read as 0. 6:0 offset. indicates which step is 0db. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 32 track id: jatr-1076-21 rev. 1.0 8.1.12. parameter ? connect list length (verb id=f00h, parameter id=0eh) parameters in this node provide audi o function widget connection information. table 31. parameter ? connect list le ngth (verb id=f00h, parameter id=0eh) codec response format bit description 31:8 reserved. read as 0. 7 short form. 0: short form 1: long form 6:0 connect list length. indicates the number of inputs conn ected to a widget. if the connect li st length is 1, there is only one input, and there is no connection select control (not a mux widget). 8.1.13. parameter ? supported power states (verb id=f00h, parameter id=0fh) table 32. parameter ? supported power states (verb id=f00h, parameter id=0fh) codec response format bit description 31 extended power states supported (epss). 1: extended power state epss is supported 30 clkstop. 1: d3 mode operates even when no bitclk presents on the link 29:4 reserved. read as 0?s. 3 d3sup. 1: power state d3 is supported 2 d2sup 1: power state d2 is supported 1 d1sup 1: power state d1 is supported 0 d0sup 1: power state d0 is supported www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 33 track id: jatr-1076-21 rev. 1.0 8.1.14. parameter ? processing capabilities (verb id=f00h, parameter id=10h) table 33. parameter ? processing capab ilities (verb id=f00h, parameter id=10h) codec response format bit description 31:16 reserved. read as 0?s. 15:8 numcoeff. number of coefficient. 7:1 reserved. read as 0?s. 0 benign. 0: processing unit is not linear and time invariant 1: processing unit is linear and time invariant 8.1.15. parameter ? gpio capabilities (verb id=f00h, parameter id=11h) table 34. parameter ? gpio capabilit ies (verb id=f00h, parameter id=11h) codec response format bit description 31 gpiwake=0. the ALC272 does not support gpio wake-up function. 30 gpiunsol=1. the ALC272 supports gpio unsolicited response. 29:24 reserved. read as 0?s. 23:16 numgpis=00h. no gpi pin is supported. 15:8 numgpos=00h. no gpo pin is supported. 7:0 numgpios=02h. two gpio pins are supported. 8.1.16. parameter ? volume knob capabilities (verb id=f00h, parameter id=13h) table 35. parameter ? volume knob capa bilities (verb id=f00h, parameter id=13h) codec response format for nid=21h (volume control knob) bit description 31:8 reserved. read as 0?s. 7 delta. 0: software cannot modify the volume control knob volume 1: software can write a base volume to the volume control knob 6:0 numsteps. the number of steps in the range of the volume control knob. note: the ALC272 does not support volume knob and will respond with 0s to this parameter. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 34 track id: jatr-1076-21 rev. 1.0 8.2. verb ? get connection select control (verb id=f01h) table 36. verb ? get connection select control (verb id=f01h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=f01h 0?s bit[7:0] are connection index codec response for nid = 14h (lout1, port-d) bit description 31:8 0?s. 7:0 connection index currently set (default value is 00h). 00h: sum widget nid=0ch 01h: sum widget nid=0dh other: reserved codec response for nid = 15h (lout2, port-a) bit description 31:8 0?s. 7:0 connection index currently set (default value is 00h). 00h: sum widget nid=0ch 01h: sum widget nid=0dh other: reserved codec response for nid = 19h (mic2, port-f) bit description 31:8 0?s. 7:0 connection index currently set (default value is 00h). 00h: sum widget nid=0ch 01h: sum widget nid=0dh 02h: sum widget nid=0eh other: reserved codec response for nid = 1bh (line2, port-e) bit description 31:8 0?s. 7:0 connection index currently set (default value is 00h). 00h: sum widget nid=0ch 01h: sum widget nid=0dh 02h: sum widget nid=0eh other: reserved codec response for nid = 21h (hp-out, port-i) bit description 31:8 0?s. 7:0 connection index currently set (default value is 00h). 00h: sum widget nid=0ch 01h: sum widget nid=0dh 02h: sum widget nid=0eh other: reserved codec response for other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 35 track id: jatr-1076-21 rev. 1.0 8.3. verb ? set connection select (verb id=701h) table 37. verb ? set connection select (verb id=701h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=701h select index [7:0] 0?s for all nodes 8.4. verb ? get connection list entry (verb id=f02h) table 38. verb ? get connection list entry (verb id=f02h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=f02h offset index - n[7:0] 32-bit response codec response for nid=08h (adc) bit description 31:8 connection list entry (n+3), (n+2), and (n+1). returns 000000h. 7:0 connection list entry (n). returns 23h (sum widget) for n=0~3. returns 00h for n>3. codec response for nid=09h (adc) bit description 31:8 connection list entry (n+3), (n+2), and (n+1). returns 000000h. 7:0 connection list entry (n). returns 22h (sum widget) for n=0~3. returns 00h for n>3. codec response for nid=0bh (mixer) bit description 31:24 connection list entry (n+3). return 1bh (pin complex ? line2) for n=0~3. return 00h for n>7. 23:16 connection list entry (n+2). return 1ah (pin complex ? line1) for n=0~3. return 15h (pin complex ? lout2) for n=4~7. return 00h for n>7. 15:8 connection list entry (n+1). return 19h (pin complex ? mic2) for n=0~3. return 14h (pin complex ?lout1) for n=4~7. return 00h for n>7. 7:0 connection list entry (n). return 18h (pin complex ? mic1) for n=0~3. return 1dh (pin complex ?pcbeep) for n=4~7. return 00h for n>7. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 36 track id: jatr-1076-21 rev. 1.0 codec response for nid=0ch (lout1 sum) bit description 31:24 connection list entry (n). returns 00h. 23:16 connection list entry (n+2). returns 00h. 15:8 connection list entry (n+1). returns 0bh (mixer) for n=0~3. returns 00h for n>3. 7:0 connection list entry (n). returns 02h (lout1 dac) for n=0~3. returns 00h for n>3. codec response for nid=0dh (lout2 sum) bit description 31:24 connection list entry (n). returns 00h. 23:16 connection list entry (n+2). returns 00h. 15:8 connection list entry (n+1). returns 0bh (mixer) for n=0~3. returns 00h for n>3. 7:0 connection list entry (n). returns 03h (lout2 dac) for n=0~3. returns 00h for n>3. codec response for nid=0fh (mono sum) bit description 31:24 connection list entry (n). returns 00h. 23:16 connection list entry (n+2). returns 00h. 15:8 connection list entry (n+1). returns 0bh (mixer) for n=0~3. returns 00h for n>3. 7:0 connection list entry (n). returns 02h (lout1 dac) for n=0~3. returns 00h for n>3. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 37 track id: jatr-1076-21 rev. 1.0 codec response for nid=14h (lout1, port-d) bit description 31:24 connection list entry (n+3). return 00h. 23:16 connection list entry (n+2). return 00h. 15:8 connection list entry (n+1). return 0dh (sum widget nid=0dh) for n=0~3. return 00h. 7:0 connection list entry (n). return 0ch (sum widget nid=0ch) for n=0~3. return 00h for n>3. codec response for nid=15h (lout2, port-a) bit description 31:24 connection list entry (n+3). return 00h. 23:16 connection list entry (n+2). return 00h. 15:8 connection list entry (n+1). return 0dh (sum widget nid=0dh) for n=0~3. return 00h. 7:0 connection list entry (n). return 0ch (sum widget nid=0ch) for n=0~3. return 00h for n>3. codec response for nid=17h (mono, port-h) bit description 31:8 connection list entry (n+3), (n+2), (n+1). returns 000000h for n>3. 7:0 connection list entry (n). returns 0fh (sum widget nid=0fh) for n=0~3. returns 00h for n>3. codec response for nid=18h (mic1, port-b) bit description 31:8 connection list entry (n+3), (n+2), (n+1). returns 000000h for n>3. 7:0 connection list entry (n). returns 00h for n>3. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 38 track id: jatr-1076-21 rev. 1.0 codec response for nid=19h (mic2, port-f) bit description 31:24 connection list entry (n+3). return 00h. 23:16 connection list entry (n+2). return 00h for n>3. 15:8 connection list entry (n+1). return 0dh (sum widget nid=0dh) for n=0~3. return 00h for n>3. 7:0 connection list entry (n). return 0ch (sum widget nid=0ch) for n=0~3. return 00h for n>3. codec response for nid=1ah (line1, port-c) bit description 31:8 connection list entry (n+3), (n+2), (n+1). returns 000000h for n>3. 7:0 connection list entry (n). returns 0dh (sum widget nid=0dh) for n=0~3. returns 00h for n>3. codec response for nid=1bh (line2, port-e) bit description 31:24 connection list entry (n+3). return 00h. 23:16 connection list entry (n+2). return 00h for n>3. 15:8 connection list entry (n+1). return 0dh (sum widget nid=0dh) for n=0~3. return 00h for n>3. 7:0 connection list entry (n). return 0ch (sum widget nid=0ch) for n=0~3. return 00h for n>3. codec response for nid=21h (hp-out, port-i) bit description 31:24 connection list entry (n+3). return 00h. 23:16 connection list entry (n+2). return 00h for n>3. 15:8 connection list entry (n+1). return 0dh (sum widget nid=0dh) for n=0~3. return 00h for n>3. 7:0 connection list entry (n). return 0ch (sum widget nid=0ch) for n=0~3. return 00h for n>3. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 39 track id: jatr-1076-21 rev. 1.0 codec response for nid=1eh (pin widget: spdif-out1) bit description 31:8 connection list entry (n+3), (n+2), and (n+1). returns 000000h. 7:0 connection list entry (n). returns 06h (spdif-out1 converter) for n=0~3. returns 00h for n>3. codec response for nid=11h (pin widget: spdif-out2) bit description 31:8 connection list entry (n+3), (n+2), and (n+1). returns 000000h. 7:0 connection list entry (n). returns 10h (spdif-out2 converter) for n=0~3. returns 00h for n>3. codec response for nid=22h (sum widget) bit description 31:24 connection list entry (n+3). return 1bh (pin complex ? line2) for n=0~3. return 00h for n>7. 23:16 connection list entry (n+2). return 1ah (pin complex ? line1) for n=0~3. return 15h (pin complex-lout2) for n=4~7. return 00h for n>7. 15:8 connection list entry (n+1). return 19h (pin complex ? mic2) for n=0~3. return 14h (pin complex ? lout1) for n=4~7. return 12h (dmic-1/2) for n=8~11. return 00h for n>11. 7:0 connection list entry (n). return 18h (pin complex ? mic1) for n=0~3. return 1dh (pin complex ? pcbeep) for n=4~7. return 0bh (mixer) for n=8~11. return 00h for n>11. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 40 track id: jatr-1076-21 rev. 1.0 codec response for nid=23h (sum widget) bit description 31:24 connection list entry (n+3). return 1bh (pin complex ? line2) for n=0~3. return 00h for n>7. 23:16 connection list entry (n+2). return 1ah (pin complex ? line1) for n=0~3. return 15h (pin complex-lout2) for n=4~7. return 00h for n>7. 15:8 connection list entry (n+1). return 19h (pin complex ? mic2) for n=0~3. return 14h (pin complex ? lout1) for n=4~7. return 00h for n>11. 7:0 connection list entry (n). return 18h (pin complex ? mic1) for n=0~3. return 1dh (pin complex ? pcbeep) for n=4~7. return 0bh (mixer) for n=8~11. return 00h for n>11. codec response for other nid bit description 31:0 not supported (returns 00000000h) 8.5. verb ? get processing state (verb id=f03h) table 39. verb ? get processing state (verb id=f03h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=f03h 0?s 32-bit response codec response for all nid bit description 31:0 not supported (returns 00000000h). 8.6. verb ? set processing state (verb id=703h) table 40. verb ? set processing state (verb id=703h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=703h processing state [7:0] 0?s for all nodes codec response for all nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 41 track id: jatr-1076-21 rev. 1.0 8.7. verb ? get coefficient index (verb id=dh) table 41. verb ? get coefficient index (verb id=dh) get command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=20h verb id=dh 0?s bit [15:0] are coefficient index codec response for nid=20h (realtek defined registers) bit description 31:16 reserved. read as 0?s. 15:0 coefficient index. codec response for other nid bit description 31:0 not supported (returns 00000000h). 8.8. verb ? set coefficient index (verb id=5h) table 42. verb ? set coefficient index (verb id=5h) set command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=20h verb id=5h coefficient index [15:0] 0?s for all nodes codec response for all nid bit description 31:0 0?s. 8.9. verb ? get processing coefficient (verb id=ch) table 43. verb ? get processing coefficient (verb id=ch) get command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=20h verb id=ch 0?s processing coefficient [15:0] codec response for nid=20h (realtek defined registers) bit description 31:16 reserved. read as 0?s. 15:0 processing coefficient. codec response for other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 42 track id: jatr-1076-21 rev. 1.0 8.10. verb ? set processing coefficient (verb id=4h) table 44. verb ? set processing coefficient (verb id=4h) set command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=20h verb id=4h coefficient [15:0] 0?s for all nodes codec response for all nid bit description 31:0 0?s. 8.11. verb ? get amplifier gain (verb id=bh) this verb is used to get gain/a ttenuation settings from each widget. table 45. verb ? get amplifier gain (verb id=bh) get command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=xh verb id=bh ?get? payload [15:0] bit[7:0] are responsible for ?get? ?get? payload in command bit[15:0] bit description 15 get input/output. 0: input amplifier gain is requested 1: output amplifier gain is requested 14 reserved. read as 0. 13 get left/right. 0: right amplifier gain is requested 1: left amplifier gain is requested 12:4 reserved. read as 0?s. 3:0 index[3:0] for input source. select amplifier for this converter. if a widget has no multiple input sources, the index will be ignored. codec response for 02h (lout1 dac), 03h (lout2 dac) bit description 31:8 0?s. 7 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier mute). bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier gain). bit-15 is 1 in ?get amplifier gain?: output amplifier gain [6:0]. 7-bit step value (0~64) specifying the volume from ?64b~0db in 1db steps. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 43 track id: jatr-1076-21 rev. 1.0 codec response for 08h (adc) bit description 31:8 0?s. 7 bit-15 is 0 in ?get amplifier gain?. i nput amplifier mute. 0: unmute; 1: mute bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier gain ?. input amplifier gain [6:0]. 7-bit step value (0~31) specifying the volume from ?16.5b~+30db in 1.5db steps. bit-15 is 1 in ?get amplifier gain?. re ad as 0?s (no output amplifier mute). codec response for 09h (adc) bit description 31:8 0?s. 7 bit-15 is 0 in ?get amplifier gain?. i nput amplifier mute. 0: unmute; 1: mute bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier gain ?. input amplifier gain [6:0]. 7-bit step value (0~31) specifying the volume from ?16.5b~+30db in 1.5db steps. bit-15 is 1 in ?get amplifier gain?. re ad as 0?s (no output amplifier mute). codec response for nid=0bh (mixer sum widget) bit description 31:8 0?s 7 bit-15 is 0 in ?get amplifier gain ?. input amplifier mute. 0: unmute ; 1: mute (default for all index) bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier ga in?. input amplifier gain [6:0]. 7-bit step value (0~31) specifying the volume from ?34.5db~+12db in 1.5db steps. bit-15 is 1 in ?get amplifier gain?. re ad as 0?s (no output amplifier mute). codec response for nid=0ch~0fh (sum widget: lout1, lout2, mono) bit description 31:8 0?s. 7 bit-15 is 0 in ?get amplifier gain?. i nput amplifier mute. 0: unmute; 1: mute bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier gain). bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier gain). codec response for nid=14h, 15h, 17h and 21h (pin widget: lout1/lout2/mono/hp-out) bit description 31:8 0?s. 7 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier mute). bit-15 is 1 in ?get amplifier gain?: output amplifier mute. 0:unmute; 1:mute (default=1) 6:0 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier gain). bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier gain). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 44 track id: jatr-1076-21 rev. 1.0 codec response for nid=18h, 19h, 1ah and 1bh (pin widget: mic1/mic2/line1/line2) bit description 31:8 0?s. 7 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier mute). bit-15 is 1 in ?get amplifier gain?: output amplifier mute. 0:unmute; 1:mute (default=1) 6:0 bit-15 is 0 in ?get amplifier ga in?. input amplifier gain [6:0]. specifying the boost from 0db/10db/20db/30db in 10db per step (default=0, 0db). bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier gain). codec response for nid=22h (sum widget) bit description 31:8 0?s 7 bit-15 is 0 in ?get amplifier gain ?. input amplifier mute. 0: unmute; 1: mute (default=1 for all index) bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier gain). bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier gain). codec response for nid=23h (sum widget) bit description 31:8 0?s 7 bit-15 is 0 in ?get amplifier gain ?. input amplifier mute. 0: unmute; 1: mute (default=1 for all index) bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier mute). 6:0 bit-15 is 0 in ?get amplifier gain?. read as 0 (no input amplifier gain). bit-15 is 1 in ?get amplifier gain?. re ad as 0 (no output amplifier gain). codec response to other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 45 track id: jatr-1076-21 rev. 1.0 8.12. verb ? set amplifier gain (verb id=3h) this verb is used to set amplifie r gain/attenuation in each widget. table 46. verb ? set amplifier gain (verb id=3h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=3h ?set? payload [7:0] 0?s for all nodes ?set? payload in command bit[15:0] bit description 15 set output amp. 1: indicates output amplifier gain will be set 14 set input amp. 1: indicates input amplifier gain will be set 13 set left amp. 1: indicates left amplifier gain will be set 12 set right amp. 1: indicates right amplifier gain will be set 11:8 index offset (for input amplifiers on sum widgets and selector widgets). 5-bit index offset in connection list is used to select the input gain that will be set on a sum or a selector widget. the index is ignored if the node is not a sum or a selector widget, or the ?set input amp? bit is not set. 7 mute. 0: unmute 1: mute (- gain) 6:0 gain[6:0]. a 7-bit step value specifying the amplifier gain www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 46 track id: jatr-1076-21 rev. 1.0 8.13. verb ? get converter format (verb id=ah) table 47. verb ? get converter format (verb id=ah) get command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=xh verb id=ah 0?s bit[15:0] are converter format codec response for nid=02h~03h, 06h, 10h (output converters: lout1, lout2 dac and spdif-out1/2). codec response for nid=08h and 09h (input converters: adc 08h and adc 09h) bit description 31:16 reserved. read as 0. 15 stream type (type). 0: pcm 1: non-pcm 14 sample base rate (base). 0: 48khz 1: 44.1khz 13:11 sample base rate multiple (mult). 000b: *1 001b: *2 010b: *3 011b: *4 100b~111b: reserved 10:8 sample base rate divisor (div). 000b: /1 001b: /2 010b: /3 011b: /4 100b: /5 101b: /6 110b: /7 111b: /8 not supported. always read as 000b. 7 reserved. read as 0. 6:4 bits per sample (bits). 000b: 8 bits 001b: 16 bits 010b: 20 bits 011b: 24 bits 100b: 32 bits 101b~111b: reserved 3:0 number of channels. 0: 1 channel 1: 2 channels 2: 3 channels ??? 15: 16 channels table 48. get converter format support base mult div bits sample rate 0 000b, 001b, 011b 000b 001,010b, 011b 48k, 96k, 192k nid=02h (lout1 dac) 1 000b 000b 001,010b, 011b 44.1k 0 000b, 001b, 011b 000b 001,010b, 011b 48k, 96k, 192k nid=03h (lout2 dac) 1 000b 000b 001,010b, 011b 44.1k 0 000b, 001b, 011b 000b 001,010b, 011b 48k, 96k, 192k nid=06h (spdif-out1) 1 000b, 001b 000b 001,010b, 011b 44.1k, 88.2k 0 000b, 001b, 011b 000b 001,010b, 011b 48k, 96k, 192k nid=10h (spdif-out2) 1 000b, 001b 000b 001,010b, 011b 44.1k, 88.2k 0 000b, 001b, 011b 000b 001,010b, 011b 48k, 96k, 192k nid=08h (line adc) 1 000b 000b 001,010b, 011b 44.1k 0 000b, 001b, 011b 000b 001,010b, 011b 48k, 96k, 192k nid=09h (mix adc) 1 000b 000b 001,010b, 011b 44.1k codec response for other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 47 track id: jatr-1076-21 rev. 1.0 8.14. verb ? set converter format (verb id=2h) table 49. verb ? set converter format (verb id=2h) set command format codec response format bit [31:28] bit [27:20] bit [19:16] payload bit [15:0] response [31:0] cad=x node id=xh verb id=2h set format [15:0] 0?s for all nodes ?set? payload in command bit[15:0] bit description 31:16 reserved. read as 0. 15 stream type (type). 0: pcm 1: non-pcm 14 sample base rate (base). 0: 48khz 1: 44.1khz 13:11 sample base rate multiple (mult). 000b: *1 001b: *2 010b: *3 011b: *4 100b~111b: reserved 10:8 sample base rate divisor (div). 000b: /1 001b: /2 010b: /3 011b: /4 100b: /5 101b: /6 110b: /7 111b: /8 7 reserved. read as 0. 6:4 bits per sample (bits). 000b: 8 bits 001b: 16 bits 010b: 20 bits 011b: 24 bits 100b: 32 bits 101b~111b: reserved 3:0 number of channels. 0: 1 channel 1: 2 channels 2: 3 channels ??? 15: 16 channels www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 48 track id: jatr-1076-21 rev. 1.0 8.15. verb ? get power state (verb id=f05h) the ALC272 is designed to meet intel?s low-powe r-state white paper and is ecr hda-015b compliant (see section 7.5 power management , page 24). table 50. verb ? get power state (verb id=f05h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id= f05h 0?s power state [7:0] codec response for nid=01h (audio function group) codec response for nid=02h, 03h, 08h, 09h (analog input/output converter) codec response for nid=11h, 12h, 14h, 15h, 17h, 18 h, 19h, 1ah, 1bh, 1dh, 1eh, 21h (pin widgets) codec response for nid=06h, 10h (digital output converter) bit description 31:11 reserved. read as 0?s. 10 ps-settingsreset. 0: setting of widgets have been reset during low power state 1: setting changed from the default were reset to their default during low power state 9 ps-clkstopok. 0: no capability to operate normally with bitclk stop 1: operate properly with no biclk 8 ps-error. no support in ALC272 7:6 reserved. read as 0?s. 5:4 ps-act. actual power state [1:0]. 00: power state is d0 01: power state is d1 10: power state is d2 11: power state is d3 ps-act indicates the actual power state of the referenced node. for audio function group nodes (nid=01h), ps-act is always equal to ps-set. 3:2 reserved. read as 0?s. 1:0 ps-set. set power state [1:0]. 00: power state is d0 01: power state is d1 10: power state is d2 11: power state is d3 ps-set controls the current power setting of the referenced node. codec response for other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 49 track id: jatr-1076-21 rev. 1.0 8.16. verb ? set power state (verb id=705h) table 51. verb ? set power state (verb id=705h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=705h power state [7:0] 0?s for all nodes ?power state? in command bit[7:0] bit description 7:6 reserved. read as 0?s. 5:4 ps-act. actual power state [1:0]. 00: power state is d0 01: power state is d1 10: power state is d2 11: power state is d3 ps-act indicates the actual power state of the referenced node. 3:2 reserved. read as 0?s. 1:0 ps-set. set power state [1:0]. 00: power state is d0 01: power state is d1 10: power state is d2 11: power state is d3 8.17. verb ? get converter stream, channel (verb id=f06h) table 52. verb ? get converter stream, channel (verb id=f06h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=f06h 0?s stream & channel [7:0] codec response for nid=02h~03h, 06h and 10h (output converters: lout1, lout2 dac, and spdif-out1/2) codec response for nid=08h and 09h (input converters: line, mix adc) bit description 31:8 reserved. read as 0?s. 7:4 stream[3:0]. the link stream used by the converter. 0000b is unused, 0001b is stream 1, etc. 3:0 channel[3:0]. the lowest channel used by the converter. a stereo converter will use the set channel n as well as n+1 for its left and right channel. codec response for other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 50 track id: jatr-1076-21 rev. 1.0 8.18. verb ? set converter stream, channel (verb id=706h) table 53. verb ? set converter stream, channel (verb id=706h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=706h stream & channel [7:0] 0?s for all nodes ?stream and channel? in command bit[7:0] bit description 31:8 reserved. read as 0?s. 7:4 set stream[3:0]. the link stream used by the converter. 0000b is stream 0, 0001b is stream 1, etc. 1:0 set channel[3:0]. the lowest channel used by the conver ter. a stereo converter will use the set channel n as well as n+1 for its left and right channel. 8.19. verb ? get pin widget control (verb id=f07h) table 54. verb ? get pin widget control (verb id=f07h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=f07h 0?s pin control [7:0] codec response for nid=11h, 12h, 14h, 15h, 17h, 18 h, 19h, 1ah, 1bh, 1dh, 1eh, 21h (pin complex) bit description 31:8 reserved. read as 0?s. 7 h-phn enable. 0: disabled 1: enabled note: only nid=14h, 15h, 19a, 1bh and 21h support headphone amplifier. 6 out enable (output buffet enable, en_obuf for an i/o unit). 0: disabled 1: enabled note: nid= 1dh (pcbeep) do not supp ort output and are always read 0. 5 in enable (input buffer enable, en_ibuf for an i/o unit). 0: disabled 1: enabled note: nid=1eh (1 st spdif-out) and 11h (2 nd spdif-out) do not support output and is always read 0. 4:3 reserved. 2:0 vrefen (vrefout enable control). 000b: hi-z (disabled, default for all) 001b: 50% of avdd (ALC272 supports 2.5v reference output when avdd is 5v) 010b: ground 0v 011b: reserved 100b: 80% of avdd (ALC272 supports 3.2v reference output when avdd is 5v) 101b: 100% of avdd 110b~111b: reserved note: only nid=18h, 19h, 1ah, and 1bh support reference output, other nodes will ignore this verb and respond with 0. codec response for other nid bit description 31:0 not supported (returns 00000000h). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 51 track id: jatr-1076-21 rev. 1.0 8.20. verb ? set pin widget control (verb id=707h) table 55. verb ? set pin widget control (verb id=707h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=707h pin control [7:0] 0?s for all nodes codec response for nid=11h, 12h, 14h, 15h, 17h, 18 h, 19h, 1ah, 1bh, 1dh, 1eh, 21h (pin complex) bit description 31:8 reserved. read as 0?s. 7 h-phn enable. 0: disabled 1: enabled note: only nid=14h, 15h, 19a, 1bh, and 21h support headphone amplifier. 6 out enable (output buffet enable, en_obuf for an i/o unit). 0: disabled 1: enabled note: nid= 1dh (pcbeep) do not supp ort output and are always read 0. 5 in enable (input buffer enable, en_ibuf for an i/o unit). 0: disabled 1: enabled note: nid=1eh (1 st spdif-out) and 11h (2 nd spdif-out) do not support output and is always read 0. 4:3 reserved. 2:0 vrefen (vrefout enable control). 000b: hi-z (disabled, default for all) 001b: 50% of avdd 010b: ground 0v 011b: reserved 100b: 80% of avdd 101b: 100% of avdd 110b~111b: reserved note: only nid=18h, 19h, 1ah and 1bh support reference output, other nodes will ignore this verb and respond with 0. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 52 track id: jatr-1076-21 rev. 1.0 8.21. verb ? get unsolicited response control (verb id=f08h) determines whether a widget is enabled to send an unsolicited response. an hda codec can use an unsolicited response to inform so ftware of a real-time event. table 56. verb ? get unsolicited response control (verb id=f08h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id= f08h 0?s 32-bit response codec response for nid=01h (gpio), 14h, 15h, 18h~1bh, 21h (pin complex) bit description 31:8 reserved. read as 0?s. 7 unsolicited response is enabled. 0: disabled 1: enabled 6:4 reserved. read as 0?s. 3:0 assigned tag for unsolicited response. the tag[3:0] is assigned by software to determine which widget generates unsolicited responses. codec response for other nid bit description 31:0 not supported (returns 00000000h). 8.22. verb ? set unsolicited response control (verb id=708h) enable a widget to generate an unsolicited response. table 57. verb ? set unsolicited response control (verb id=708h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=708h enableunsol [7:0] 0?s for all nodes ?enableunsol? in command bit [7:0] bit description 31:8 reserved. read as 0?s. 7 unsolicited response. 0: disable 1: enable 6 reserved. read as 0?s. 5:0 tag for unsolicited responses. tag[5:0] is defined by software to assign a 6-bit tag for nodes that are enabled to generate unsolicited responses. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 53 track id: jatr-1076-21 rev. 1.0 8.23. verb ? get pin sense (verb id=f09h) returns the presence detect status and the im pedance of a device attached to the pin. table 58. verb ? get pin sense (verb id=f09h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id= f09h 0?s 32-bit response codec response for nid=14h, 15h, 18h, 19h, 1ah, 1bh, 21h bit description 31 presence detect status. 0: no device is attached to the pin 1: device is attached to the pin 30:0 measured impedance. the ALC272 does not support hardware impe dance detect. this field is read as 0s. codec response for other nid bit description 31:0 not supported (returns 00000000h). 8.24. verb ? execute pin sense (verb id=709h) table 59. verb ? execute pin sense (verb id=709h) command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id= 709h right channel[0] 0?s for all nodes ?payload? in command bit[7:0] (for nid=14h, 15h, 18h, 19h, 1ah, 1bh, 21h) bit description 7:1 reserved. read as 0?s. 0 right (ring) channel select. 0: sense left channel (tip) 1: sense right channel (ring) the ALC272 does not support hardware impedanc e detect and will ignore this control bit. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 54 track id: jatr-1076-21 rev. 1.0 8.25. verb ? get configuration default (verb id=f1ch/f1dh/f1eh/f1fh) read the 32-bit sticky register for each pin widget configured by software. table 60. verb ? get configuration default (verb id=f1ch/f1dh/f1eh/f1fh) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id= f1ch 0?s 32-bit response codec response for nid=14h, 15h, 17h, 18h, 19 h, 1ah, 1bh, 21h, 1dh, 1eh, 11h, 12h (pin widget: lout1, lout2, mono, mic1, mic2, line1, line2, pcbeep, hp-out, spdif-out1, spdif-out2, dmic1/2) bit description 31:0 32-bit configuration info rmation for each pin widget. note: the 32-bit registers for each pin widget are sticky and will not be reset by a link reset or codec reset (function reset verb). 8.26. verb ? set configuration default bytes 0, 1, 2, 3 (verb id=71ch/71dh/71eh/71fh) the bios can use this verb to figure out the de fault conditions (e.g., placem ent and expected default device) for the pin widgets nid=0b~0fh, 10h, 11h, 1fh, 20h, and 12h. table 61. verb ? set configuration default by tes 0, 1, 2, 3 (verb id=71ch/71dh/71eh/71fh) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=xh verb id=71ch, 71dh, 71eh, 71fh label [7:0] 0?s for all nodes note: supported by pin widget nid=14h, 15h, 17h, 18h, 19h, 1a h, 1bh, 21h, 1dh, 1eh, 11h, 12h. other widgets will ignore this verb. codec response for all nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 55 track id: jatr-1076-21 rev. 1.0 8.27. verb ? get beep generator (verb id=f0ah) table 62. verb ? get beep generator (verb id= f0ah) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id= f1bh 0?s divider [7:0] ?response? for nid=01h bit description 31:8 reserved. 7:0 frequency divider, f[7:0]. the internal beep frequency is the result of dividing the 48khz clock by 4 times the number specified in f[7:0]. the lowest tone is 48khz/(255*4)=47hz. the highest tone is 48khz/(1*4)=12khz. a value of 00h in f[7:0] disables the internal beep generator and allows external pcbeep input. codec response for other nid bit description 31:0 0?s. 8.28. verb ? set beep generator (verb id=70ah) table 63. verb ? set beep generator (verb id= 70ah) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=71bh divider [7:0] 0?s for all nodes ?divider? in set command bit description 31:8 reserved. 7:0 frequency divider, f[7:0]. the internal beep frequency is the result of dividing the 48khz clock by 4 times the number specified in f[7:0]. the lowest tone is 48khz/(255*4)=47hz. the highest tone is 48khz/(1*4)=12khz. a value of 00h in f[7:0] disables the internal beep generator and allows external pcbeep input. note: all nodes except beep generator (nid=01h) will ignore this verb. codec response for all nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 56 track id: jatr-1076-21 rev. 1.0 8.29. verb ? get gpio data (verb id= f15h) table 64. verb ? get gpio data (verb id= f15h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=f15h 0?s 32-bit response codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] data. the value written (output) or sensed (input) on the corresponding pin if it is enabled. codec response for other nid bit description 31:0 0?s. 8.30. verb ? set gpio data (verb id= 715h) table 65. verb ? set gpio data (verb id= 715h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=715h data [7:0] 0?s for all nodes ?data? in set command for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] output data. the value written determines the value driven on a pin that is configured as an output pin. codec response for all nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 57 track id: jatr-1076-21 rev. 1.0 8.31. verb ? get gpio enable mask (verb id=f16h) table 66. verb ? get gpio enable mask (verb id= f16h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=f16h 0?s enablemask [7:0] codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] enable mask. 0: the corresponding gpio pin is disabled and is in hi-z state 1: the corresponding gpio pin is enabled. its behavior is determined by the gpio direction control note: all nodes except audio function gr oup (nid=01h) will ignore this verb. codec response for other nid bit description 31:0 0?s. 8.32. verb ? set gpio enable mask (verb id=716h) table 67. verb ? set gpio enable mask (verb id=716h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=716h enable mask [7:0] 0?s for all nodes codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] enable mask. 0: the corresponding gpio pin is disabled and is in hi-z state 1: the corresponding gpio pin is enabled. its behavior is determined by the gpio direction control note: all nodes except audio function gr oup (nid=01h) will ignore this verb. codec response for all nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 58 track id: jatr-1076-21 rev. 1.0 8.33. verb ? get gpio direction (verb id=f17h) table 68. verb ? get gpio direction (verb id=f17h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=f17h 0?s direction [7:0] codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] direction control. 0: the corresponding gpio pin is configured as an input 1: the corresponding gpio pin is configured as an output note: all nodes except audio function gr oup (nid=01h) will ignore this verb. codec response for other nid bit description 31:0 0?s. 8.34. verb ? set gpio direction (verb id=717h) table 69. verb ? set gpio direction (verb id=717h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=717h direction [7:0] 0?s for all nodes codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] direction control. 0: the corresponding gpio pin is configured as an input 1: the corresponding gpio pin is configured as an output note: all nodes except audio function gr oup (nid=01h) will ignore this verb. codec response for other nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 59 track id: jatr-1076-21 rev. 1.0 8.35. verb ? get gpio unsolicited response enable mask (verb id=f19h) table 70. verb ? get gpio unsolicited response enable mask (verb id=f19h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=f19h 0?s unsolenable [7:0] codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] unsolicited enable mask. 0: unsolicited response will not be sent on link 1: unsolicited response will be sent on link when state of corresponding gpio has been changed note: all nodes except audio function gr oup (nid=01h) will ignore this verb. codec response for other nid bit description 31:0 0?s. 8.36. verb ? set gpio unsolicited response enable mask (verb id=719h) table 71. verb ? set gpio unsolicited response enable mask (verb id=719h) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=719h unsolenable [7:0] 0?s for all nodes codec response for nid=01h (audio function group) bit description 31:8 reserved. 7:2 reserved. 1:0 gpio[1:0] unsolicited enable mask. 0: unsolicited response will not be sent on link 1: unsolicited response will be sent on link when state of corresponding gpio has been changed note 1: all nodes except the audio functio n group (nid=01h) will ignore this verb. note 2: the unsolicited response of corresponding gpio is enabled when it?s ?enable mask? and verb-?unsolicited response? for nid=01h are enabled. codec response for other nid bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 60 track id: jatr-1076-21 rev. 1.0 8.37. verb ? get digital converter control 1 & control 2 (verb id= f0dh, f0eh) table 72. verb ? get digital converter control 1 & control 2 (verb id= f0dh, f0eh) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=06h verb id=f0dh/f0eh 0?s bit[31:16]=0?s, bit[15:0] are sic bit nid=06h (spdif-out1 converter) and 10h (spdif-out2 converter) response to ?get verb? ? f0dh (control for sic bit[15:0]) bit description ? sic (spdif iec control) bit[7:0] 31:16 read as 0?s. 15 reserved. read as 0?s. 14:8 cc[6:0] (category code). 7 level (generation level). 6 pro (professional or consumer format). 0: consumer format 1: professional format 5 /audio (non-audio data type). 0: pcm data 1: ac3 or other digital non-audio data 4 copy (copyright). 0: asserted 1: not asserted 3 pre (pre-emphasis). 0: none 1: filter pre-emphasis is 50/15 microseconds 2 vcfg for validity control (control v bit and data in sub-frame). 1 v for validity control (control v bit and data in sub-frame). 0 digital enable. digen. 0: off 1: on codec response for other nid bit description 31:0 0?s www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 61 track id: jatr-1076-21 rev. 1.0 8.38. verb ? set digital converter control 1 & control 2 (verb id=70dh, 70eh) table 73. verb ? set digital converter control 1 & control 2 (verb id=70dh, 70eh) set command format (verb id=70dh, set control 1) codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=06h verb id=70dh sic [7:0] 0?s set command format (verb id=70eh, set control 2) codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=06h verb id=70eh sic [15:8] 0?s ?payload? in set control 1 for nid=06h (spdif-out1 converter) and 10h (spdif-out2 converter) bit description ? sic (spdif iec control) bit[7:0] 7 level (generation level) 6 pro (professional or consumer format). 0: consumer format 1: professional format 5 /audio (non-audio data type). 0: pcm data 1: ac3 or other digital non-audio data 4 copy (copyright). 0: asserted 1: not asserted 3 pre (pre-emphasis). 0: none 1: filter pre-emphasis is 50/15 microseconds 2 vcfg for validity control (control v bit and data in sub-frame). 1 v for validity control (control v bit and data in sub-frame). 0 digital enable. digen. 0: off 1: on ?payload? in set control 2 for nid=06h (spdif-out1 converter) and 10h (spdif-out2 converter) bit description ? sic (spdif iec control) bit[7:0] 7 reserved. read as 0?s. 6:0 cc[6:0] (category code). www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 62 track id: jatr-1076-21 rev. 1.0 8.39. verb ? get subsystem id [31:0] (verb id=f20h/f21h/d22h/f23h) 32-bit read/write register fo r audio function group (nid=01h) table 74. verb ? get subsystem id [31:0] (verb id=f20h/f21h/f22h/f23h) get command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad = x node id=01h verb id=f20h 0s 32-bit response codec response for nid=01h bit description 31:16 subsystem id[23:8] (default=10ech). 15:8 subsystem id[7:0] (default=02h). 7:0 assembly id[7:0] (default=72h). 8.40. verb ? set subsystem id [31:0] (verb id=723h/722h/721h/720h for [31:24]/[23:16]//[15:8]/[7:0]) table 75. verb ? set subsystem id [31:0] (verb id =723h/722h/721h/720h for [31:24]/[23:16]//[15:8]/[7:0]) set command format codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad = x node id=01h verb id=723h, 722h, 721h, 720h label [7:0] 0s for all nodes codec response for all nid bit description 31:0 0s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 63 track id: jatr-1076-21 rev. 1.0 8.41. verb ? get/set eapd control (verb id=f0ch for get, 70ch for set) table 76. verb ? get eapd control (verb id=f0ch) get command format (nid=14h and 15h) codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=14h/15h verb id=f0ch 0s bit[1] is eapd control codec response for nid=14h (lout1, port-d) and 15h (lout2, port-a) bit description 31:3 reserved. 2 l-r swap. the ALC272 does not support swapping left and right channels. read as 0. 1 eapd value. 0: eapd pin state is low 1: eapd pin state is high 0 btl enable. the ALC272 does not support btl output. read as 0. codec response for other nid bit description 31:0 0?s. table 77. verb ? set eapd control (verb id=70ch) set command format (nid=14h and 15h) codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=14h/15h verb id=70ch bit[1] is eapd control 0s payload in set command for nid=14h (lout1, port-d) and 15h (lout2, port-a) bit description 31:3 reserved. 2 l-r swap. the ALC272 does not support swapping left and right channels. read as 0. 1 eapd value. 0: eapd pin state is low 1: eapd pin state is high. note: only one physical logic for the eapd signal. 0 btl enable. the ALC272 does not support btl output. read as 0. codec response bit description 31:0 0?s. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 64 track id: jatr-1076-21 rev. 1.0 8.42. verb ? function reset (verb id=7ffh) table 78. verb ? function reset (verb id=7ffh) command format (nid=01h) codec response format bit [31:28] bit [27:20] bit [19:8] payload bit [7:0] response [31:0] cad=x node id=01h verb id=7ffh 0?s 0?s codec response bit description 31:0 reserved. read as 0?s. note: the function reset command causes all widgets to return to their power-on default state. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 65 track id: jatr-1076-21 rev. 1.0 9. electrical characteristics 9.1. dc characteristics 9.1.1. absolute maximum ratings table 79. absolute maximum ratings parameter symbol minimum typical maximum units power supply digital power for core digital power for hda link analog dvdd dvdd-io* av d d * * 2.7 1.5 3.0 3.3 3.3 5.0 3.6 3.6 5.5 v v v ambient operating temperature ta 0 - +70 o c storage temperature ts - - +125 o c esd (electrostatic discharge) susceptibility voltage all pins pass 3500v *: the digital link power dvdd-io must be lower than the digital core power dvdd. **: the standard testing condition before shipping is avdd = 5.0v unless specified. customers designing with a different avdd should contact realtek technical suppor t representatives for special testing support. 9.1.2. threshold voltage dvdd=3.3v 5%, t ambient =25 c, with 50pf external load. table 80. threshold voltage parameter symbol minimum typical maximum units input voltage range v in -0.30 - dvdd+0.30 v low level input voltage (hda link) v il - - 0.30*dvddio v high level input voltage (hda link) v ih 0.65*dvddio - - v low level input voltage (spdif-out) v il - - 0.44*dvdd (1.45) v high level input voltage (spdif-out) v ih 0.56*dvdd (1.85) - - v high level output voltage v oh 0.9*dvdd - - v low level output voltage v ol - - 0.1*dvdd v input leakage current - -10 - 10 a output leakage current (hi-z) - -10 - 10 a output buffer drive current - - 5 - ma internal pull up resi stance - - 50k 100k ? www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 66 track id: jatr-1076-21 rev. 1.0 9.1.3. spdif output characteristics dvdd= 3.3v, t ambient =25 c, with 75 ? external load. table 81. spdif output characteristics parameter symbol minimum typical maximum units spdif-out high level output v oh 3.0 3.3 - v spdif-out low level output v ol - 0 0.3 v 9.1.4. digital filter characteristics table 82. digital filter characteristics filter symbol minimum typical maximum units adc lowpass filter passband 0 - 0.45*fs khz stopband 0.60*fs - - khz stopband rejection - -76.0 - db passband frequency response - 0.02 - db dac lowpass filter passband 0 - 0.45*fs khz stopband 0.60*fs - - khz stopband rejection - -78.5 - db passband frequency response - 0.020 - db note: fs=sample rate. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 67 track id: jatr-1076-21 rev. 1.0 9.2. ac characteristics 9.2.1. link reset and initialization timing table 83. link reset and initialization timing parameter symbol minimum typical maximum units reset# active low pulse width t rst 1.0 - - s reset# inactive to bclk startup delay for pll ready time t pll 20 - - s sdi initialization request t frame - - 1 frame time sdo sync sdi bclk reset# 4 bclk 4 bclk >= 4 bclk initialization sequence initialization request t frame t pll t rst normal frame sync figure 15. link reset and initialization timing www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 68 track id: jatr-1076-21 rev. 1.0 9.2.2. link timing parameters at the codec table 84. link timing parameters at the codec parameter symbol minimum typical maximum units bclk frequency - - 24.0 - mhz bclk period t cycle - 41.67 - ns bclk jitter t jitter - - 2.0 ns bclk high pulse width t high 18.75 (45%) - 22.91 (55%) ns (%) bclk low pulse width t low 18.75 (45%) - 22.91 (55%) ns (%) sdo setup time at both rising and falling edge of bclk t setup 2.1 - - ns sdo hold time at both rising and falling edge of bclk t hold 2.1 - - ns sdi valid time after rising edge of bclk (1: 50pf external load) t tco - 7.5 8.0 ns sdi flight time t flight - 2.0 - ns t_cycle t_high t_low t_tco t_setup t_hold v il v ih v t v oh ol bclk sdi sdo t_flight v figure 16. link signal timing www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 69 track id: jatr-1076-21 rev. 1.0 9.2.3. spdif output timing table 85. spdif output timing parameter symbol minimum typical maximum units spdif-out frequency - - 3.072 - mhz spdif-out period t cycle - 325.6 - ns spdif-out jitter t jitter - - 4 ns spdif-out high level width t high 156.2 (48%) 162.8 (50%) 169.2 (52%) ns (%) spdif-out low level width t low 156.2 (48%) 162.8 (50%) 169.2 (52%) ns (%) spdif-out rising time t rise - 2.0 - ns spdif-out falling time t fall - 2.0 - ns lo w t v il v ih oh ol high rise fall t cycle tt t t v v v figure 17. output timing 9.2.4. test mode codec test mode and automatic test e quipment (ate) mode are not supported. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 70 track id: jatr-1076-21 rev. 1.0 9.3. analog performance standard test conditions ? t ambient =25 o c, dvdd=3.3v 5%, avdd=5.0v 5% ? 1khz input sine wave; sampling frequency=48khz; 0db=1vrms ? 10k ? /50pf load; test bench char acterization bw: 10hz~22khz table 86. analog performance parameter min typ max units full-scale input voltage analog input (gain=0db) adc - - 1.6 1.4 - - vrms vrms full-scale output voltage dac - 1.1 - vrms s/n (a weighted) adc dac headphone amplifier - - - 90 95 95 - - - db fsa db fsa dbfs a thd+n adc dac headphone amplifier (32 ? load) - - - -80 -87 -75 - - - db fs db fs db fs magnitude response adc (-3db lower edge, -1db higher edge)* 1 dac (-3db lower edge, -1db higher edge)* 1 pass band ripple for dac and adc 10 10 -0.02 - - - > 20,000 > 20,000 +0.02 hz hz db power supply rejection ratio - -60 - db total out-of-band noise (28.8khz~100khz) - -60 - db crosstalk between output channel - -80 - db output noise level during system activity - - 110 db output inter-channel phase delay - - 0.2 degree input impedance (gain=0db) - 32 - k ? output impedance line output amplified output - - 100 1 - 2 ? ? power supply current (normal operation) avdd=5v/dvdd=3.3v - 45/25 - ma power supply current (power down mode) avdd=5v/dvdd=3.3v - 1.5/0.4 - ma vrefoutx output voltage (avdd=5.0v) - 2.5 3.2 v vrefoutx output current (avdd=5.0v) - 5 - ma *1: the higher edge of magnitudes for dac and adc are -0.6db@20,000hz. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 71 track id: jatr-1076-21 rev. 1.0 10. application circuits the ALC272 is not pin compatible with the al c662, alc88x, and alc26x series hd audio codecs. to get the best compatibility in hardware design and software driver, any modification should be confirmed by realtek. realtek may upload the la test application circ uits onto our website (www.realtek.com.tw) without modifying this datasheet. 10.1. filter connection +3.3v or dvdd-io s/pdif-out2 r3 20k, 1% dgnd cd2 0.1u cd4 0.1u cd3 0.1u cd10 0.1u + c42 10u cd1 10u +1.5v~+3.3v if hda link i/o voltage is scaleable dvdd-io: r1 5.1k, 1% r4 39.2k, 1% line2-jd lout1-jd line1-jd lout2-jd r27 10 dmic-data34 +5va mic1-vrefo r35 10 line1-r r22 10 r20 10 line1-l mic1-r mic1-l dmic-clk12 mic2-r mic2-l tied at one point only under the codec or near the codec line2-r line2-l mic1-jd sync reset# pcbeep sdin bclk sdout r15 20k, 1% r14 10k, 1% r16 39.2k, 1% dvdd 1 gpio0/dmic-data12 2 gpio1/dmic-data34 3 dvss 4 sdata-out 5 bit-clk 6 dvss-io 7 sdata-in 8 dvdd-io 9 sync 10 reset# 11 pcbeep 12 sense a 13 line2-l 14 line2-r 15 mic2-l 16 mic2-r 17 line1-vrefo 18 mic2-vrefo 19 line2-vrefo 20 mic1-l 21 mic1-r 22 line1-l 23 line1-r 24 avdd1 25 avss1 26 vref 27 mic1-vrefo-l 28 cbp 29 cbn 30 cpvee 31 hpout-r 32 hpout-l 33 sense b 34 front-l 35 front-r 36 mono 37 avdd2 38 surr-l 39 jdref 40 surr-r 41 avss2 42 nc 43 dmic-clk3/4 44 spdifo2 45 dmic-clk1/2 46 eapd 47 spdifo1 48 u1 ALC272 mic2-vrefo line1-vrefo line2-vrefo + c30 10u + c19 10u r17 47k c29 1u r21 10k c31 100p dmic-data12 r31 10 c41 10p + c12 10u + c2 2.2u + c1 2.2u hpout-r mic2-jd lout1-l lout1-r lout2-l lout2-r +5va s/pdif-out dmic-clk34 +3.3v hpout-l mono hpout-jd r13 5.1k, 1% r8 20k, 1% agnd c44 10p + c64 100u headphone amp output w/o dc blocking capacitors c65 100p c40 10p figure 18. filter connection www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 72 track id: jatr-1076-21 rev. 1.0 10.2. onboard front panel header connection and front panel i/o hpout-r hpout-l c50 100p l17 ferb l14 ferb l15 ferb c45 100p c51 100p l16 ferb c52 100p 1 2 5 3 4 jack 8 fio-port1 (jack-f) 1 2 5 3 4 jack 7 fio-port2 (jack-e) 1 3 5 7 9 2 4 6 8 10 j2 con10a fio-port2-r fio-port1-r fio-port1-l fio-sense fio-port2-l fio-port2-r fio-sense port1-sense-return fio-port2-l fio-sense port1-sense-return port2-sense-return fio-port1-l port2-sense-return fio-presence# hd audio front panel i/o cable key fio-port1-r r30 4.7k 1 3 5 7 9 2 4 6 8 10 j6 con10a r33 4.7k d11 1n4148 d12 1n4148 c61 1u c63 1u mic2-l mic2-r mic2-vrefo hpout-jd mic2-jd option 2: mic2 (port-f) and hp-out (port-i) to front panel header onboard front panel header key r34 10k system gpi +3.3vd presence# r10 22~75 r9 22~75 w/o dc blocking capacitor 1 3 5 7 9 2 4 6 8 10 j5 con10a r28 4.7k r29 4.7k d5 1n4148 d6 1n4148 c57 1u + c59 100u c58 1u + c60 100u mic2-l line2-l line2-r mic2-r mic2-jd line2-jd mic2-vrefo key onboard front panel header option 1: mic2 (port-f) and line2 (port-e) to front panel header system gpi +3.3vd r32 10k presence# figure 19. onboard front panel header connection and front panel i/o www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 73 track id: jatr-1076-21 rev. 1.0 10.3. power supply and analog input/output connection alternative front channel of headphone output without dc blocking capacitors for standby mode de-pop purpose to reduce background noise when boosting microphone, exclusive with l5 standby +5v b130law/1n5817 d10 d9 1n4148 in 1 out 3 gnd 2 lm7805ct/200ma + x/+100u c43 + +10u c25 r7 x/10 +12v ferb l5 +5va mic1-vrefo r6 22~75 r5 22~75 d7 1n4148 d8 1n4148 c28 100p c27 100p r11 4.7k l12 ferb l10 ferb r12 4.7k l8 ferb l6 ferb c18 100p c17 100p 1 2 5 3 4 jack 2 line-in c9 1u c11 1u c24 1u 1 2 5 3 4 jack 3 mic-in l3 ferb c26 1u + c3 100u l1 ferb c5 100p c6 100p + c4 100u line1-r line1-l lout1-l lout1-r mic1-l mic1-r front-jd line1-jd mic1-jd 1 2 5 3 4 jack 1 front /headphone out c15 100p c16 100p hpout-r hpout-jd hpout-l 5 4 1 cs cn 3 alternative jack 1 front/headphone out 1 2 5 3 4 jack 4 lout2-out c7 1u l4 ferb c13 100p c8 1u l2 ferb c22 100p lout2-r lout2-jd lout2-l figure 20. analog input/output connection www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 74 track id: jatr-1076-21 rev. 1.0 10.4. optional spdif output s/pdif-out r37 200 1 2 j14 s/pdif output r39 100 c46 0.01u c53 nc s/pdif output connection option 1: coaxial s/pdif-out r45 nc in 3 vcc 2 gnd 1 n.c 4 n.c 5 u4 totx178 c56 0.1u +5vd r43 10 optical transmitter s/pdif outputconnection option 2: optical figure 21. optional spdif output www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 75 track id: jatr-1076-21 rev. 1.0 11. mechanical dimensions l1 l symbol millimeter inch min typ max min typ max a - - 1.60 - - 0.063 a1 0.05 - 0.15 0.002 - 0.006 a2 1.35 1.40 1.45 0.053 0.055 0.057 c 0.09 - 0.20 0.004 - 0.008 d 9.00 bsc 0.354 bsc d1 7.00 bsc 0.276 bsc d2 5.50 0.217 e 9.00 bsc 0.354 bsc e1 7.00 bsc 0.276 bsc e2 5.50 0.217 b 0.17 0.20 0.27 0.007 0.008 0.011 e 0.50 bsc 0.0196 bsc th 0 o 3.5 o 7 o 0 o 3.5 o 7 o l 0.45 0.60 0.75 0.018 0.0236 0.030 l1 - 1.00 - - 0.0393 - title: lqfp-48 (7.0x7.0x1.6mm) package outline drawing, footprint 2.0mm leadframe material doc. no. approve version 02 dwg no. pkgc-065 check date realtek semiconductor corp. www.datasheet.co.kr datasheet pdf - http://www..net/
ALC272 datasheet 4 channel high definition audio codec 76 track id: jatr-1076-21 rev. 1.0 12. ordering information table 87. ordering information part number package status ALC272-gr lqfp-48 ?green? package mass production note 1: see page 6 for green package and version identification. note 2: above parts are tested under avdd=5.0v. if custom ers have lower avdd request, please contact realtek sales representatives or agents. realtek semiconductor corp. headquarters no. 2, innovation road ii hsinchu science park, hsinchu 300, taiwan tel.: +886-3-578-0211. fax: +886-3-577-6047 www.realtek.com.tw www.datasheet.co.kr datasheet pdf - http://www..net/

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