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All-digital satellite receivers
Data transport processor
MPEG-ATSC compliant audio/video decoders
Broadcom Graphics Engine (BGE)
MIPS32
IDE host adapter
- 1 45-Mbaud variable rate receiver
- DVB/DIRECTV
- Support for DIRECTV and MPEG transport streams
- DES/DVB descrambler
- NDS ICAM and XTV compliant
- Support for play/record from/to hard disk
- MP@ML MPEG2 video decoder
- Decode of MPEG layer-1 and layer-2 audio
- Support for Dolby
- Supports three graphics, 1 video, and hardware cursor
- 2D video scaling support
- Integrated PAL/NTSC/SECAM encoder
- ITU-656 input support
- MMU support
- EJTAG debug support
- ATA5 command set, Ultra ATA/66 I/F
planes
TM
SINGLE-CHIP SATELLITE SET-TOP BOX DECODER
CPU core at 242 MHz
F E A T U R E S
®
/Digicipher
®
AC-3 and compressed PCM
®
BCM3440
®
BCM7317 Single-Chip System Block Diagram
Si Tuner
Modem
MAFE/
II compliant FEC decoder
USB 2.0 I/F
Flash
HDD
BCM7317
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BCM7317
DDR
HDD
Provides a cost-effective solution for direct broadcast satellite
(DBS) applications
Fully integrated QPSK receiver, MPEG2 A/V decoder, MIPS
CPU and peripherals for a complete set-top box system
Fully integrated USB 2.0 host controller with two-port
physical interface on-chip
PVR capability enables personal viewing and scheduling,
video-on-demand (VOD), and VCR “trick mode” effects on
any video stream
Advanced 2D graphics system allows applications such as
internet browsers and electronic program guides to deliver
studio-quality text and graphics on television monitors
Broadcom-developed device drivers enable rapid software
development cycle with support of industry-standard
operation systems
Industry-leading third-party operating systems, tool chains
and middleware supported, including OpenTV, NDS’s XTV
PVR systems
16Bit @ 133Mhz
P-ATA I/F
- Low-cost solution for next generation Set-Top boxes
- Encryption
- Simultaneous support for record and playback
S U M M A R Y O F B E N E F I T S
programming content
ensures
CVBS
Y/C
Audio L/R
IR Tx
UHF/IR Rx
FP/Keypad
copy
protection
of
recorded