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BCM7021 Datasheet, PDF (1/1 Pages) Broadcom Corporation. – HIGH DEFINITION VIDEO PCI SUBSYSTEM WITH 2D GRAPHICS
BCM7021
®
HIGH-DEFINITION VIDEO PCI SUBSYSTEM WITH 2D GRAPHICS
FEATURES
SUMMARY OF BENEFITS
• 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
• Dual I2S bidirectional audio ports
• Stereo audio DACs
• Advanced 2D/3D-effects graphics engine
• Studio-quality text and graphics at HD resolution
• Supports multiple layers and windows
• NTSC analog video decoder
• NTSC/PAL/HD video encoder
• PCI 2.1 compliant
• POD support including DVS 213 DES descrambler
• DVB and DC2-compliant transport demux with DVB and DES
descramblers
• Simultaneous CCIR-656 inputs and outputs
• 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
• 3D effects create studio-quality screen transitions and add a
whole new dimension to electronic program guides.
• Personal video recorder capability supports VCR-like
functions via a hard disk.
• High-performance DMA capability can be used for cable
modem traffic
• Broadcom-developed device drivers enable rapid software
development cycle
• Supports DVS POD requirements
• PCI interface provides bi-endian support and up to 3 bus
masters for maximum system design flexibility.
• PCI interface allows for direct connection of cost-effective
SuperI/O devices
Analog video
To Cable
BCM7021 Advanced Video, Graphics, and Audio Subsystem
Dual Smart
Card
Ch3/4
Comp-Vid RGB
RF Out S-Video In/Out YCrCb
L/R Audio SPDIF
In/Out
Audio
DVI
RJ11
10/100
BaseTx
Dual Tuner
with Diplex
filter
Video
Condition
ISO 7816
Video
Data
BCM3250
Dual QAMlink ®
Rx1
QPSK OOB
OOB
QPSK transmitter
DOCSIS 1.1 Rx2
Upstream
DAVIC 1.2
VoIP DSP
BCM7021
HD Video/Graphics
BCM7014 Graphics Engine
with NTSC Encoder / Decoder/
System Controller
BCM7010
MPEG A/V, Transport
and Audio DACs
PCI Bus
BCM7501
PCI Bus
DAA
BCM4100
BCM4413
HPNA/V.90
SDRAM SDRAM
Bridge
Chip
Ethernet
MAC/PHY
PCI
Slot
USB
RS-232
MIPS
CPU
Printer
Rx3
CXD3204R
IEEE1394
1394 (dual)
IDE
PCMCIA POD I/F
IR remote and
keyboard