1/4 rev. b structure silicon monolithic integrated circuit product name usb host aac+wma+mp3 decoder lsi type BU94604KV applications audio products, etc. functions BU94604KV is aac+wma+mp3 decoder ic which contains usb host and sd card i/f, audio dac, system controller, regulator for internal core power supply. ? usb2.0 full speed host i/f function contained. ? protocol conversion from i2c to usb hid or from usb hid to i2c. ? sd card i/f function contained. ? i 2 c i/f function contained. ? fat analysis function contained. ? mp3 decode function contained. (available for mpeg1, 2 and 2.5, layer 1, 2 and 3) ? wma decode function contained. (available for wma9 standard and not available for drm) ? aac decode function contained. (available for mpeg4 aac-lc and not available for drm) ? sample rate converter contained. ? system controller contained. ? led controller contained. ? key matrix controller contained. ? stand alone mode contained. ? external processor can control. ? audio dac contained. ? sound effect function contained. ? digital audio out(i 2 s, s/pdif) function contained. ? file name, folder name sorting. ? id3tag and wmatag and aactag analysis. ? reading a specified file data is possible from usb memory. ? lun is selectable. ? regulator for internal core power supply contained. ? vqfp64pin(0.5mm pitch) absolute maximum ratings (ta = 25 ) parameter symbol limits unit comment supply voltage(analog, i/o) vdd1max -0.3 4.5 v dvddio, vdd_pll, davdd, avddc input voltage vin -0.3 vdd1 + 0.3 v storage temperature range tstg -55 125 operating temperature range topr -40 85 power dissipation *1 pd 750 mw *1 in the case of use at ta=25 or more, 7.5mw should be reduced per 1 . radiation resistance design is not arranged. operating conditions (ta = 25 ) parameter symbol limits unit comment supply voltage(analog, i/o) vdd1 3.0 3.6 v dvddio,vdd_pll, davdd, avddc
2/4 rev. b electrical characteristics unless specified, ta=25 vdd1=3.3v, dvss=avssc=vss_pll= davss=0v, xin_pll=16.9344mhz parameter symbol limits unit condition min. typ. max. circuit current (vdd1 usb1) idd1usb1 - 65 80 ma *1 when usb memory is played. circuit current (vdd1 sd1) idd1sd1 - 35 50 ma *1 when sd card is played. h-level input voltage vih vdd1*0.7 vdd1 v *3 l-level input voltage vil dvss vdd1*0.3 v *3 h-level output voltage1 voh1 vdd1-0.4 vdd1 v ioh=-1.6ma, *4 l-level output voltage1 vol1 0 0.4 v iol=1.6ma. *4 h-level output voltage2 voh2 vdd1-0.4 vdd1 v ioh=-3.6ma, *5 l-level output voltage2 vol2 0 0.4 v iol=3.6ma, *5 h-level output voltage3 voh3 vdd1-0.4 vdd1 v ioh=-0.6ma, *6 l-level output voltage3 vol3 0 0.4 v iol=0.6ma, *6 h-level output voltage4 voh4 vdd1-1.0 vdd1 v ioh=-0.6ma, *7 l-level output voltage4 vol4 0 1.0 v iol=0.6ma, *7 h-level input voltage vihusb vdd1*0.6 vdd1 v *8 l-level input voltage vilusb avssc vdd1*0.3 v *8 output impedance(h) zoh 22.0 45.0 60.0 *8 output impedance(l) zol 22.0 45.0 60.0 *8 h-level output voltage vohusb vdd1-0.5 vdd1 v *8 l-level output voltage volusb 0 0.3 v *8 rise/fall time tr/tf 11 ns *8, output capacity 50pf voltage of crossing point vcrs vdd1/2 v *8, output capacity 50pf range of differential input vdiff 0.8 2.5 v *8 differential input sensitivity vsens 0.2 v *8 pull-down resistance rpd 14.25 15.0 24.8 k *8 distortion rate thd 0.02 % 1khz, 0db, sine, *9 dynamic range dr 88 db 1khz, -60db, sine, *9 s/n ratio s/n 96 db *9 max output level vsmax 0.92 vrms 1khz, 0db, sine, *9 *1 3.3v system i/o, analog power supply(vdd1), 1khz, 0db, sine-wave playing *3 1-7, 9-17, 19-20, 25-26, 28 -30, 40, 49-52, 56, 58-61, 63 pin *4 8, 10-11, 14-16, 48-55 pin *5 13 pin *6 21-23, 26 pin *7 41 pin *8 33, 34 pin *9 44, 46 pin
3/4 rev. b description of terminals no. name i/o description of terminals 1 resetx i system reset terminal 2 sel_slave i slave mode selection h stand alone mode, l slave mode 3 sel_mp3 i mpeg audio layer selection h only mp3 is playback, l mp1, mp2 and mp3 can be playback 4 sel_dout i digital audio out selection h disable l enable 5 sel_vol i volume operation selection h volume+- effective, l vol+-invalid 6 sel_aplay i at device(usb,sd) connection, auto play mode selection(h:it stop, l:it playback) 7 sel_utpkt i usb test packet output selection h normal operation l test packet output 8 irpto o interruption output terminal 9 test2 i pull-up to vdd1 system power supply terminal(test pin) 10 key_row1/mchng i/o [key_row1]key matrix terminal, [mchng]music change flag terminal 11 key_row2/busy i/o [key_row2]key matrix terminal, [busy]busy flag terminal 12 key_row3/scl i [key_row3]key matrix terminal, [scl]i 2 c i/f clock terminal 13 key_row4/sda i/o [key_row4]key matrix terminal, [sda]i 2 c i/f data terminal 14 key_col1/a0 i/o [key_col1]key matrix terminal, [a0]i 2 c slave address selection 15 key_col2/a1 i/o [key_col2]key matrix terminal, [a1]i 2 c slave address selection 16 key_col3/sel_sman i/o [key_col3] key matrix terminal, [sel_sman]manual mode selection h auto, l manual 17 test3 i pull-up to vdd1 system power supply terminal(test pin) 18 dvddio io power supply(vdd1) terminal 19 sd_con i sd card connect terminal 20 sd_do i sd card data in terminal 21 sd_clk o sd card clock terminal 22 sd_di o sd card data out terminal 23 sd_cs o sd card chip select terminal 24 dvss gnd terminal 25 test4 i pull-up to vdd1 system power supply terminal(test pin) 26 test5/clkout12 o [test5]pull-up to vdd1 system power supply terminal(test pin),[clkout12]12mhz clock output terminal 27 dvdd_m2 core power supply(vdd2) monitor terminal. connect to 57pin. 28 test6 i pull-up to vdd1 system power supply terminal(test pin) 29 test7 i pull-up to vdd1 system power supply terminal(test pin) 30 test8 i pull-up to vdd1 system power supply terminal(test pin) 31 atest1 o usb test terminal(test pin) 32 avddc usb power supply(vdd1)terminal 33 usb_dm i/o usb d i/o terminal 34 usb_dp i/o usb d+ i/o terminal 35 avssc usb gnd terminal 36 rexti o usb bias resistor(12k ) connecting terminal 37 vorefi o usb test terminal(test pin) 38 vdd_pll pll power supply(vdd1) terminal 39 test_pll i pll test terminal(test pin) 40 xin_pll i x'tal(16.9344mhz) connecting input terminal 41 xout_pll o x'tal(16.9344mhz) connecting output terminal 42 vss_pll pll gnd terminal 43 davss audio dac gnd terminal 44 rdaco o audio dac rch line output terminal 45 vcdaco o audio dac reference voltage output terminal 46 ldaco o audio dac lch line output terminal 47 davdd audio dac power supply(vdd1) terminal 48 amute o audio mute output terminal h mute off, l mute on 49 led_error/test9 i/o [led]lighting output terminal at error, [test9]pull-up to vdd1 system power supply terminal(test pin) 50 led_play/test10 i/o [led]lighting output terminal at play, [test10]pull-up to vdd1 system power supply terminal(test pin) 51 led_psd/test11 i/o [led]lighting output terminal at play for sd card, [test11]pull-up to vdd1 system power supply terminal(test pin) 52 led_pusb/test12 i/o [led]lighting output terminal at play for usb memory, [test12] pull-up to vdd1 system power supply terminal(test pin) 53 led_access o [led]lighting output terminal when memory is being accessed,[lrck]digital audio channel clock or spdif output terminal 54 led_random o [led]lighting output terminal at play for random, [bck]digital audio bit clock output terminal 55 led_repeat o [led]lighting output terminal at play for repeat, [data]digital audio data output terminal 56 test13 i pull-up to vdd1 system power supply terminal(test pin) 57 dvdd_m1 core power supply(vdd2) monitor terminal, connect to bypass condenser 58 test14 i connect to gnd(test pin) 59 test15 i pull-up to vdd1 system power supply terminal(test pin) 60 test16 i pull-up to vdd1 system power supply terminal(test pin) 61 test17 i pull-up to vdd1 system power supply terminal(test pin) 62 dvss gnd terminal 63 tmode i connect to gnd(test pin) 64 dvddio io power supply(vdd1) terminal
4/4 rev. b external dimensions ? block diagram :?:?:?:? :? :?:?:? :?:?:?:? :? :?:?:? :?:?:?:? :? :?:?:? :?:?:?:? :? :?:?:? :?:?:? :? :?:?:?:? :?:?:?:?:? :?:?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:?:?::?: :?:?:? :? :?:?:?:? :?:?:? :? :?:?:?:? :?:?:? :?:?:? :? :?:?:? :?::?::?:?::a :?:?:?:? :?:?:?:? :?:?:?:?:? :?:?:?:?:? :?:?:?:? :a :? by :?:? by :?:? by :?:?:?:?:? :?:?:?:?:? :?:?:? :? :?:?:? :?:?:?:?:?:?:?::- ::?:? ::?:? :?:?:?:? : ::w:?::?:?:w:?:w:?:?:w:? :?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?:? :?::?:?:? :?:?:-:?:? :?:?:a:?:?: :a:?::?:a::?:-:? :a:?::?:::? :a:?::?:?:|:?:? :a:?::?:-:|: :a:?::?:?:::?: :a:?::?:?:?:::? :?:?::?:| ::?::?:?:|:?:?:? ::?:?::? ::?::?:?:|:?:?:? :?:?:a: ::?::?:?:|::?:?:?:? :?:-:?:?:?:| :?:?:a:?:? :a:?:?:?:|: :?::|:?:? :?:-:a:a ::?:?:?::?:a:?:?:?:?:a:?:?:? ::?:?:?::a:?:?:?:?:a:?:?:? ::?:?:?:::?::?:?:?:a:?:?:? :?:?:-:a:a ::?:?:?:?:?:?:?:a:a ::?:?:?:?:?:?:|:?:?:?:?:a:?:? ::|:?:?:?::: ::?::?::: :?:?:a:?:?::: :?:?::?:? :?:-:a:a:? :a:?:?:?:: :a:?:?:?:? :a:?:?:?:a :?:-:a:a :?:?:a:?:? :?:?:a:?:?:? :?:::|:?:?:?:? :?:-:?:?:?::? :?:?:a:?:? :?:?:a:?:? :?:-:?:?:? :?:?:a:?:? :a:?:?:?:| :?:?:a:?:? :-:|:?:?:?:? :-:?:?::: ::?:?:?:?:?::?:|: :?:?:a:?:?:? :?:?:a:?:?:? :?:?:a:?:?:? ::?:?:?:?:?::?:?:? :?:-:?:?:?:| :?:?:?:a:?:? :?:?:?:?:| :-:?:?:?:?:| :?::?::?:w:?:?:? :?:?:?:w:?:w:?::?:w:? :::? :?:?:o:?:?:?: ::: :?:a:? ::?: :a:e::?:?:? :?:?:?:?::?:?:?:?: :?:?:? :?::?:?:w::e::?:?:? ::?::?:?:|:?:?:?:a:?:? :?:?:a:?:?:? :?:-:?:?:?::? :?:?:a:?:?:? :a:?:w:?:?:? :?:?:?:?::?:?:?:?: :a:?::?:?:w:?:?:?:?:o:?:?: ::?::?:?:|:?:?:?:a:?: ::?::?:?:|::?:?:?:? ::?::?:?:|::?:? :a:?::?:a::?: :?:a:?:?:?: :?:a:?:?:?: :-:a:a:?::: ::?:?:?:| :?:a:? :?:?:?:?::?:?:?:?: ::?:| :?:?:?:w:?:?:? :?:?:?:?::?:?:?:?: :::?:? :?:?:?:?::?:?:?:?: figure 1. external dimension figure 2. block diagram caution power on reset please keep the terminal resetx at the low level when the power su pply starts. after completely starting up 3.3v system power s upply, afterwards, please make the terminal resetx high level after 5us after the o scillation of the system clock is steady. moreover, please make the terminal resetx low level during 5us or more when resetting it while operating. about compatibility in usb memory device and sd memory card according to the file structure and communica tion speed of an usb memory, sd memory card, this lsi might not play back correctl y. about turning on the power supply current rush might flow momentarily by the order of turning on the power supply and the delay in ic with two or more power supp lies, and note the capacity of the power supply coupling, the power s upply, and width and drawing the gnd pattern wiring. about absolute maximum rating when the absolute maximum rating such as the applied voltage and the ranges of the operating temperature is exceeded, lsi might be destroyed. please apply neither voltage nor the temperature that exceeds the absolute maximum rating. please execute physical measures for safety such as fuse when it is thought to exceed the absolute maximum rating, and examine it so that the condition to exceed the absolute maxi mum rating is not applied to lsi. about gnd voltage in any state of operation must be the lowest voltage about the voltage of the terminal gnd. please actually confirm the voltage of each terminal is not a voltage that is lower than the termi nal gnd including excessive phenomenon. about design of overheating malfunction preventive circuit please design overheating malfunction preventive circuit with an enough margin in consideration of a permissible loss in the s tate of using actually. about the short between terminals and the mounting by mistake please note the direction and the gap of position of lsi enough about lsi when you mount on the substrate. lsi might be destroy ed when mounting by mistake and energizing. moreover, lsi might be destroyed w hen short-circuited by entering of the foreign substances between the terminal and gnd, between terminals, between the terminal and the power supply of lsi. about operation in strong electromagnetic field use in strong electromagnetic field has the possibili ty of malfunctioning and evaluate it enough, please. pkg: vqfp64 drawing no. ex252-5001-1
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