bcm7021 Broadcom Corp., bcm7021 Datasheet

bcm7021

Manufacturer Part Number

bcm7021

Description

Bcm7021 - High-definition Video Pci Subsystem With 2d Graphics

Manufacturer

Broadcom Corp.

Datasheet

1.BCM7021.pdf (2 pages)

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Download datasheet (132Kb)

•

HIGH-DEFINITION VIDEO PCI SUBSYSTEM WITH 2D GRAPHICS

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 I

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

Analog video

S bidirectional audio ports

To Cable

F E A T U R E S

with Diplex

Dual Tuner

filter

BCM7021 Advanced Video, Graphics, and Audio Subsystem

Dual Smart

Card

Upstream

Video

OOB

Data

Condition

RF Out

Ch3/4

Video

QPSK transmitter

Dual QAMlink

ISO 7816

QPSK OOB

DOCSIS 1.1

DAVIC 1.2

BCM3250

VoIP DSP

S-Video

PCMCIA POD I/F

Comp-Vid

In/Out

Rx1

Rx2

YCrCb

RGB

Rx3

with NTSC Encoder / Decoder/

HD Video/Graphics

BCM7014 Graphics Engine

MPEG A/V, Transport

BCM7021

System Controller

and Audio DACs

PCI Bus

BCM7010

L/R Audio

In/Out

•

BCM7021

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

SPDIF

Audio

S U M M A R Y O F B E N E F I T S

SDRAM

CXD3204R

IEEE1394

PCI Bus

BCM7501

SDRAM

DVI

1394 (dual)

DAA

HPNA/V.90

Bridge

BCM4100

BCM4413

MIPS

Chip

CPU

RJ11

MAC/PHY

Ethernet

BaseTx

10/100

USB

RS-232

Printer

IDE

IR remote and

keyboard

PCI

Slot

Related parts for bcm7021

bcm7021 Summary of contents

Page 1

... DVB and DC2-compliant transport demux with DVB and DES descramblers • Simultaneous CCIR-656 inputs and outputs • Support for PIDs and 64 section filters BCM7021 Advanced Video, Graphics, and Audio Subsystem Dual Smart Card Condition Analog video Video Data Dual Tuner ...

Page 2

... CPU, or PCM audio input via a baseband audio input. These streams can be resampled and mixed together with volume control. The BCM7021 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. ...

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