BCM7030 ? high-definition video uma subsystem with 2d/3d graphics BCM7030 advanced video, graphics, and audio subsystem with bus bridge ? atsc-compliant, all-format mp@hl mpeg-2 video decoder decodes up to four mp@ml video streams standard definition output with reduced memory requirements simultaneous analog high-definition/standard-definition output dolby digital (ac-3)/mpeg multichannel audio decoder with spdif output stereo audio dacs fully-featured 3d graphics hw accelerator ntsc analog video decoder ntsc/pal/hd video encoder bus bridge to memory, local bus, and pci pod support including dvs 213 des descrambler dvb and dc2-compliant transport demux with dvb and des descramblers support for pids and 64 section filters provides a cost-effective solution for high-definition and standard-definition video and graphics systems common to cable and satellite applications. includes standard-definition with reduced memory mode simultaneous high-definition and standard-definition analog output for watch and record capability. advanced 2d graphics system allows applications such as internet browsers and electronic program guides to deliver studio-quality text and graphics on television monitors. fully-featured 3d graphics engine allows for multiplayer gaming and 3d internet website acceleration. personal video recorder capability supports vcr-like functions via a hard disk. pci interface allows for direct connection of cost-effective superi/o devices. high-performance dma capability can be used for cable modem traffic. broadcom-developed device drivers enable rapid software development cycle. supports dvs pod requirements. features summary of benefits p 1 3 9 4 i/f s e ria l/ p a ra lle l p o rts id e c o n tro lle r u s b i/f a n a lo g n t s c pa b c m 31 20 /3125 q a m r eceive r w ith f e c & o o b r e c e iv er w ith f e c & u p strea m q p s k /1 6-q a m m o d u lato r bcm 3250 u niversal front end b c m 33 00 s in g le-c h ip c a b le d a ta m o d em w ith q a m r eceiver w ith f e c & u p strea m q p s k /1 6-q a m m o d u la to r & m c n s m a c b c m 7 010 m p e g a /v & t ran sp o rt & a u d io d a c s b c m 70 14 g rap h ics e n g in e w ith n t s c e n co d er/d eco d er/s y stem c o n tro lle r pc i b us a n a lo g a u d io o u t v id e o o u t a u d io in p u t r o m f la s h i/o s d r a m pc i bus i/o c o m p lem en t c o m m o n t o p c i-b ase d s u p e r i/o d ev ic es s ilico n t u n e r BCM7030 hd video/ graphics s ilic o n t u n er p o d c a s m art c ard d ip lex f ilte r 1 0 /1 0 0 b a s e -t t ra n s c e iv e r f u lly-f ea tu re d 3d g ra p h ics e n g in e m ip s o r s h 4 c p u 2 kb instruction/ data cache
overview ? phone: 949-450-8700 fax: 949-450-8710 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2004 by broadcom corporation. all rights reserved. 7030-pb03-r 07/06/04 broadcom ? , the pulse logo, and connecting everything ? are trademarks of broadcom corporation and/ or its subsidiaries in the united states and certain other countries. all other trademarks mentioned are the property of their respective owners. the BCM7030 advanced high-definition, video and graphics subsystem supports the requirements of television and set-top box systems that require high-definition or standard-definition decoding of mpeg-2 streams with simultaneous high-definition and standard- definition outputs. for systems that require only standard-definition output, a reduced-memory mode substantially reduces the amount of memory needed for the video decompression process. the video decoder also supports multiple stream sta ndard-definition decoding, providing both tiled video and pip capability. the BCM7030 graphics are based on broadcom?s advanced video/ graphics technology that allows studi o-quality text and graphics to be displayed on television-based systems. the graphics compositing engine allows for many windows of graphics and video to be layered with blending and antialiasing, creating high-quality rich display capability. an onboard vector risc processor provides 2d graphics, antialiased text, and 3d effects. a mpeg-2 dvb/dc2-compliant transport demux with three transport stream inputs has advanced s ection-filtering capability, dvb descrambler, des descrambler with ecb/ccb capability, and two iso7816 smart card interfaces. the des descrambler is compliant with the dvs 213 requirements for the transport stream pod interface. the transport engine is designed to support personal video recorder (pvr) functions, allowing the set-top box to support vcr-like functions, such as fast forward/reverse, pause, and record. the BCM7030 supports up to 2 record and 2 playback streams simultaneously. the BCM7030 decodes both dolby digital (ac-3) and mpeg multichannel compressed streams. audio output is provided over stereo dacs or spdif. a pcm audio engine mixes separate audio streams generated from the mpeg2/dolby audio decompression circuitry, pcm audio generated from the cpu, or pcm audio input via a baseband audio input. these streams can be resampled and mixed together with volume control. a bus bridge is incorporated to provide a complete solution bridging the processor to memory, local i/o, and pci. main memory is shared among video, graphics, and the cpus, which increases system performance and reduces cost. a flexible and powerful dma controller is able to dma between the different busses and memory, facilitating the needs of systems incorporating a cable modem. dual video encoder and hd dacs video graphics and video display engine hd display and format conversion sdram controller dma engine paxel video/ graphics processor composite video a/d decoder and tbc video scaler hd/dual sd mpeg-2 video decoder cpu bus analog video in transport 1 3d graphics engine cpu interface and access caches mpeg-2 transport processor with dvb and des descramblers sdram bus bridge rom and i/o pci dual iso7816 i/f transport 3 transport 2 sd analog video spdif dolby and mpeg audio decoder hd/sd analog dual pvr engine (2-kb instruction/ data cache) l r pcm audio audio dacs dual i 2 s pcm audio in stereo
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