HIGH DEFINITION VIDEO SUBSYSTEM WITH GRAPHICS ATSC-compliant, All

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HIGH DEFINITION VIDEO SUBSYSTEM WITH GRAPHICS ATSC-compliant, All

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BCM7021R
HIGH DEFINITION VIDEO SUBSYSTEM WITH GRAPHICS
ATSC-compliant, All-Format MP@HL MPEG-2 video dual decoder with Personal Video Recording feature
Dual channel decode with simultaneous standard definition (SD) display each channel content Single channel high-definition (HD) decode with simultaneous display both scaled content. Simultaneous dual record, dual playback personal video recording (PVR) with encryption. on-chip video DACs playback
solution Provides cost-effective video andfor high definition standard definition graphics systems
capability enables personal viewing scheduling, video-on-demand (VOD),
"trick mode" effects video stream standard definition Simultaneous high-definition record capability analog output watch allows applications Advanced 2D-graphics system electronic program such internet browsers
Encryption ensures copy protection recorded programming content
common cable satellite applications
(AC-3)/MPEG Dolby Digital SPDIF output multichannel audio decoder with
Stereo audio DACs Advanced 2D/3D effects graphics engine
Dual bi-directional audio ports
NTSC/PAL analog video decoder NTSC/PAL/HD video encoder compliant support including descrambler DC2-compliant transport demultiplexer with DVB, DES, Multi2 descramblers Simultaneous CCIR656 inputs outputs Support PIDs section filters
Studio-quality text graphics resolution Supports multiple layers windows
guides deliver studio-quality text graphics television monitors effects create studio-quality screen transitions adds whole dimension electronic program guides High-performance capability used cable modem traffic Broadcom-developed device drivers enable rapid software development cycle Supports requirements interface provides bi-endian support masters maximum system design flexibility interface allows direct connection costeffective SuperI/O devices
BCM7021 Advanced Video, Graphics, Audio Subsystem
BCM7501
Dual Smart Card
MIPS
Bridge Chip
SDRAM
Video Audio Demod
Analog NTSC/PAL Video
SDRAM
BCM4413 HPNA/V.90 10/100 BASE-TX
BCM7021
Duplex Filter/ Splitter Video Data Silicon Tuner Video CMOS
Tuner
Dual Video Analog Audio SPDIF Audio Interfaces
Controller
Upstream Data
BCM3250 Dual QPSK QPSK transmitter DOCSIS DAVIC VoIP
MPEG
1394 Interface
BCM3125 Transceiver
Interface
PCMCIA
64-bit SDRAM
Analog Video
Composite Video Decoder
Interface
SDRAM Controller
Engine Video Scaler
Graphics Video Display Engine Display Format Conversion
Dual Composite Video Encoder DACs
HD/SD analog video analog video
HD/Dual MPEG-2 Video Decoder band band band
MPEG-2 Transport Processor with Descrambler
Dual Engine
Paxel 2D/3D Graphics Processor
Dolby MPEG Audio Decoder
Audio
Stereo Audio DACs
Audio Dual SPDIF Audio
SPDIF
Dual 7861 Interface
BCM7021 Advanced High Definition, Video/Graphics Subsystem supports requirements television set-top systems that require high-definition standard-definition decoding MPEG-2 streams with simultaneous high-definition standard definition outputs. systems that require only standard-definition output, reduced-memory mode substantially reduces amount memory needed video decompressions process. video decoder also supports multiple stream standard-definition decoding, providing both tiled video capability. BCM7021 graphics based Broadcom's advanced video/graphics technology that allows studio-quality text graphics displayed television-based systems. graphics compositing engine allows many windows graphics video layered with blending anti-aliasing, creating rich, high-quality, display capability. onboard vector RISC processor provides graphics, anti-aliased text, effects. MPEG-2 DVB/DC2-compliant transport demux with transport stream inputs advanced section filtering capability, descrambler, descrambler with ECB/CCB capability, ISO7816 smart card interfaces. descrambler complies with requirements transport stream interface. transport engine designed support personal video recorder
(PVR) functions, allowing set-top support VCR-like functions, such fast forward/reverse, pause, record. BCM7021 supports record playback streams simultaneously, with optional 3DES encryption/decryption. BCM7021 decodes both Dolby Digital (AC-3) MPEG multichannel compressed streams. Audio output provided over stereo DACs SPDIF. audio engine mixes separate audio streams generated from MPEG2/Dolby audio decompression circuitry, audio generated from CPU, audio input baseband audio input. These streams resampled mixed together with volume control. BCM7021 ideal solution where maximum system design flexibility performance key. bi-endian architecture full capability work with system configuration. playback realizable. on-chip MPEG video decoder ability parse streams extracted from program streams found DVDs. AC-3 audio decoded either stereo Dolby ProLogic output either on-chip and/or SPDIF interface. audio engine also output native AC-3 streams directly SPDIF. Sub-picture decoding rendering handled host on-chip graphics processor. With assistance software running external CPU, complete playback system realized.
Broadcom®, pulse logo, Connecting everything® trademarks Broadcom Corporation and/or subsidiaries United States certain other countries. othertrademarks property their respective owners.
BROADCOM CORPORATION 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013
2002 BROADCOM CORPORATION. rights reserved. 7021-PB06-403-R 11.19.02
Phone: 949-450-8700 FAX: 949-450-8710 Email: info@broadcom.com Web: www.broadcom.com

HIGH DEFINITION VIDEO SUBSYSTEM WITH GRAPHICS ATSC-compliant, All

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