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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BCM7020RB
HIGH-DEFINITION VIDEO SUBSYSTEM WITH GRAPHICS
ATSC-compliant, All-Format MP@HL MPEG-2 Video dual decoder with Personal Video Recording feature
Dual channel standard-definition (SD) decode with simultaneous display each channel content. Single channel high-definition (HD) decode with simlutaneous display both scaled content. Simultaneous dual record, dual playback Personal Video Recording (PVR) with encryption. on-chip video DACs
solution high-definition Provides cost-effective video graphics systems standard-definition
common cable satellite applications. capability enables personal viewing scheduling, Video-On-Demand (VOD), "trick mode" effects video stream.
Encryption ensures copy protection recorded programming content
(AC-3)/MPEG Dolby Digital SPDIF output multichannel audio decoder with Stereo audio DACs Advanced 2D/3D-effects graphics engine
Studio-quality text graphics resolution Supports multiple layers windows
Includes simultaneous high-definition standarddefinition analog output watch record capability. Advanced 2D-graphics system allows applications such internet browsers electronic program guides
deliver studio-quality text graphics television monitors. effects create studio-quality screen transitions adds whole dimension electronic program guides. interface allows direct connection costeffective SuperI/O devices. High-performance capability used cable modem traffic. Broadcom-developed device drivers enable rapidsoftware development cycle. Supports requirements.
NTSC/PAL analog video decoder NTSC/PAL/HD video encoder bridge memory, local bus, support including descrambler DC2-compliant DVBDES descramblers transport demux with Support PIDs section filters
BCM7020 Advanced Video, Graphics, Audio Subsystem with Bridge
Dual Smartcard MIPS
Video Audio Demod
Analog NTSC/PAL Video
Instruction/ Data Cache
ROM/ Flash
BCM4413 HPNA/V.90 10/100 BASETX
SDRAM
BCM3415 CMOS Tuner Duplex Filter/ Splitter
Video
Upstream Data BCM3415 CMOS Tuner Data
BCM3250 Dual QAMLink® QPSK QPSK transmitter DOCSIS DAVIC VoIP
MPEG
BCM7020
Dual Video Analog Audio SPDIF Audio Interfaces
Controller
BCM3415 CMOS Tuner Video BCM3125 Transceiver
1394 Interface
Interface
PCMCIA
SDRAM
Analog Video
Composite Video Decoder
Bridge
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 Transport Transport Transport
MPEG-2 Transport Processor with Descramblers Dual Engine
Interface Access Caches
(2-KB instruction/ data cache)
Paxel Video/ Graphics Processor
Dolby MPEG Audio Decoder
Audio
Audio Dual
Stereo Audio DACs
SPDIF
Dual ISO7816
BCM7020 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. BCM7020 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 antialiasing, creating high-quality, rich display capability. on-board vector RISC processor provides graphics, antialiased text, effects. MPEG-2 DVB/DC2-compliant transport demux with three 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. BCM7020 supports record playback streams simultaneously, with optional 3DES encryption/decryption. BCM7020 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. bridge incorporated provide complete solution bridging processor memory, local I/O, PCI. Main memory shared among video, graphics, CPUs, which increases system performance reduces cost. flexible powerful controller able between different busses memory, facilitating needs systems incorporating cable modem.
Broadcom® pulse logo registered trademarks Broadcom Corporation and/or subsidiaries United States certain other countries. Dolby® registered trademark Dolby Laboratories Licensing Corporation.
more information please contact Phone: 949-450-8700, FAX: 949-450-8710 Email: info@broadcom.com
Visit site www.broadcom.com
2001 BROADCOM CORPORATION 7020-PB04-R-4.24.01
BROADCOM CORPORATION 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013

HIGH-DEFINITION VIDEO SUBSYSTEM WITH GRAPHICS ATSC-compliant, All

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