BCM7100 Datasheet, PDF (1/2 Pages) Broadcom Corporation. – SINGLE CHIP CABLE SET TOP BOX SYSTEM

BCM7100
PRODUCT
Brief
®
BCM7100 SINGLE-CHIP CABLE SET-TOP BOX SYSTEM
BCM7100 FEATURES
• Audio/video subsystem
• MPEG2/DC2/DVB transport
• MPEG2/DC2 video decoder
• MUSICAM/Dolby AC-3 audio decoder
• Advanced 2D/3D graphics subsystem
• Studio-quality text and graphics
• NTSC/PAL analog video decoder/encoder
• System bus bridge with DMA
• QAMLink® cable set-top box transceiver
• In-band and out-of-band demodulators
• Burst upstream transmitter
• ^{MIPS-based microprocessor subsystem}
• ^{On-board DAVIC 1.2/1.5 MAC}
• ^{Key system peripherals}
• ^{POD support including DVS 213 DES descrambler}
SUMMARY OF BENEFITS
• A fully featured analog and digital video cable set-
top box feature set in a single chip reduces overall
system cost dramatically.
• Subsystems are based on Broadcom’s field-proven
production-available technology.
• Can be used in cable systems worldwide with DVB,
DAVIC, and ITU standards compatibility.
• Broadcom developed device drivers enable rapid
software development cycle with support of
industry-standard operating systems.
• Advanced graphics system allows applications such
as internet browsers and electronic program guides
to deliver studio-quality text and graphics on
television monitors.
• Includes dual analog and digital (MPEG-2) video
system.
• ^{Supports DVS POD requirements.}
Diplex
Filter
BCM7100 Single-Chip Set-Top Box System on a Chip
POD
CA
Smart Card
BCM7100
Single-Chip Set-Top Box
PA
Silicon
Tuner
BCM3120
QAM Receiver
with Forward Error
Correction (FEC)
and OOB Receiver
with FEC
and Upstream
QPSK/16-QAM
Modulator
DAVIC
MAC
Ver 1.2/1.5
Analog NTSC
R3000 CPU
4KI and 4KD
85 MIPS
BCM7014
Graphics Engine
with NTSC
Encoder / Decoder/
System Controller
ROM
Flash
I/O
SDRAM
I/O:
DUART, LEDs,
IRDA, IR RX/TX,
SPI/I2S
BCM7010
MPEG A/V
and Transport
and Audio DACs
Audio Input
Analog
Audio Out
Video Out