bcm7031 Broadcom Corp., bcm7031 Datasheet
bcm7031
Manufacturer Part Number
bcm7031
Description
Bcm7031 - High-definition Video Pci Subsystem With 2d/3d Graphics
Manufacturer
Broadcom Corp.
Datasheet
1.BCM7031.pdf
(2 pages)
HIGH-DEFINITION VIDEO PCI SUBSYSTEM WITH 2D/3D GRAPHICS
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ATSC-compliant, All-Format MP@HL MPEG-2 video dual
decoder with personal video recording feature
• Dual-channel decoding with simultaneous standard definition
• Single
• Simultaneous dual record, dual playback personal video
• Six on-chip video DACs
• DVD playback
Dolby Digital (AC-3)/MPEG multichannel audio decoder with
SPDIF output
• Dual I
Stereo audio DACs
Fully featured 3D graphics HW accelerator
Advanced 2D/3D-effects graphics engine
• Studio-quality text and graphics at HD resolution
• Supports multiple layers and windows
NTSC/PAL analog video decoder
NTSC/PAL/HD video encoder
PCI 2.1 compliant
POD support including DVS 213 DES descrambler
DVT and DC2-compliant transport demultiplexer with DVB,
DES, and Multi2 descramblers
Simultaneous CCIR656 inputs and outputs
Support for PIDs and 64 section filters
(SD) display of each channel content
simultaneous display of both HD and scaled SD content
recording (PVR) with encryption
2
S bidirectional audio ports
channel
F E A T U R E S
high-definition
BCM7031 Advanced Video, Graphics, and Audio Subsystem
Duplex
Splitter
Filter/
®
Upstream Data
Silicon Tuner
Silicon Tuner
Silicon Tuner
(HD)
Video 1
Video 2
OOB
Data
decoding
Transceiver
QPSK transmitter
BCM3125
Dual QAMLink
Demod
DOCSIS 1.1
Video
Audio
QPSK OOB
DAVIC 1.2
BCM3250
VoIP DSP
PCMCIA POD I/F
NTSC/PAL
Analog
¨
Video
with
MPEG
x2
Dual Smartcard
BCM7031
3D Graphics Engine
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BCM7031R
Fully Featured
BCM7501
PCI Bus
DVI
Provides a cost-effective solution for high-definition and
standard-definition video and graphics systems common to
cable and satellite applications.
PVR capability enables personal viewing and scheduling,
video-on-demand (VOD), and VCR "trick mode" effects on
any video stream.
• Encryption ensures copy protection of recorded programming
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.
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.
PCI interface provides bi-endian support and up to 3 bus
masters for maximum system design flexibility.
content
S U M M A R Y O F B E N E F I T S
MIPS CPU
1394 Interface
Analog Audio
I
Bridge Chip
SPDIF Audio
2
Dual Video
S Interfaces
SDRAM
SDRAM
Out
10/100 BASE-TX
Controller
HPNA/V.90
Interface
BCM4413
USB
IDE
IR
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bcm7031 Summary of contents
Page 1
... DVT and DC2-compliant transport demultiplexer with DVB, DES, and Multi2 descramblers • Simultaneous CCIR656 inputs and outputs • Support for PIDs and 64 section filters BCM7031 Advanced Video, Graphics, and Audio Subsystem Duplex Filter/ Splitter BCM7031R • Provides a cost-effective solution for high-definition and standard-definition video and graphics systems common to cable and satellite applications ...
Page 2
... CPU, or PCM audio input via a baseband audio input. These streams can be resampled and mixed together with volume control. The BCM7031 is an ideal solution where maximum system design flexibility and performance is key. Its bi-endian architecture and full DMA capability work with any CPU and PCI system configuration. ...