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ATSC-compliant, All-Format MP@HL MPEG-2 video
dual decoder with personal video recording feature
• Dual channel decode with simultaneous standard definition
• Single channel high definition (HD) decode with
• 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
Stereo audio DACs
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
Bus bridge to memory, local bus, and PCI
POD support including DVS 213 DES descrambler
DVT and DC2-compliant transport demultiplexer with
DVB, DES, and Multi2 descramblers
Support for 64 PIDs and 64 section filters
HIGH DEFINITION VIDEO UMA SUBSYSTEM WITH 2D GRAPHICS
(SD) display of each channel content
simultaneous display of both HD and scaled SD content
recording (PVR) with encryption
Silicon
Tuner
B C M 7 0 2 0
BCM7020 Advanced Video, Graphics, and Audio Subsystem with Bus Bridge
Duplex
Splitter
Filter/
Video 1
Video 2
Data
Upstream Data
OOB
F E A T U R E S
Transceiver
®
QPSK transmitter
BCM3125
Dual QAMLink
Demod
DOCSIS 1.1
Audio
QPSK OOB
Video
DAVIC 1.2
VoIP DSP
BCM3250
PCMCIA POD I/F
NTSC/PAL
Analog
¨
Video
MPEG
x2
Dual Smart Card
PRODUCT
PRODUCT
BCM7020
PCI Bus
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2-KB Instruction/
PVR capability enables personal viewing and
Provides a cost-effective solution for high definition
and standard definition video and graphics systems
common to cable and satellite applications
scheduling, video-on-demand (VOD), and VCR "trick
mode" effects on any video stream
• Encryption ensures copy protection of recorded programming
Includes 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
adds a whole new dimension to electronic program
guides
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
Data Cache
S U M M A R Y
content
BCM7020R
MIPS CPU
Brief
Brief
1394 Interface
Analog Audio
I
SPDIF Audio
2
Dual Video
S Interfaces
Flash I/O
SDRAM
ROM/
Out
O F
B E N E F I T S
10/100 BASE-TX
Controller
HPNA/V.90
Interface
BCM4413
USB
IDE
IR