BCM7317 データシートの表示（PDF） - Broadcom Corporation
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BCM7317 Datasheet PDF : 2 Pages
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BCM7317
®
SINGLE-CHIP SATELLITE SET-TOP BOX DECODER
FEATURES
SUMMARY OF BENEFITS
• All-digital satellite receivers
- 1 45-Mbaud variable rate receiver
- DVB/DIRECTV®/Digicipher® II compliant FEC decoder
• Data transport processor
- Support for DIRECTV and MPEG transport streams
- DES/DVB descrambler
- NDS ICAM and XTV compliant
- Support for play/record from/to hard disk
• MPEG-ATSC compliant audio/video decoders
- MP@ML MPEG2 video decoder
- Decode of MPEG layer-1 and layer-2 audio
- Support for Dolby® AC-3 and compressed PCM
• Broadcom Graphics Engine (BGE)
- Supports three graphics, 1 video, and hardware cursor
planes
- 2D video scaling support
- Integrated PAL/NTSC/SECAM encoder
- ITU-656 input support
• MIPS32TM CPU core at 242 MHz
- MMU support
- EJTAG debug support
• IDE host adapter
- ATA5 command set, Ultra ATA/66 I/F
• 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
- Low-cost solution for next generation Set-Top boxes
• 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
- Encryption ensures copy protection of recorded
programming content
- Simultaneous support for record and playback
• 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
BCM7317 Single-Chip System Block Diagram
BCM3440
Si Tuner
MAFE/
Modem
Flash
DDR
16Bit @ 133Mhz
BCM7317
USB 2.0 I/F
P-ATA I/F
CVBS
Y/C
Audio L/R
IR Tx
UHF/IR Rx
FP/Keypad
HDD
HDD
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