BCM7315
®
SINGLE-CHIP SATELLITE SET-TOP BOX DECODER
FEATURES
•
All-Digital Satellite Receivers
- 1–45 Mbaud variable rate receiver
- Integrated 7-bit A/D converters
- Complies with DVB/DIRECTV
®
/Digicipher II™ FEC
Decoder
Data Transport Processor
- Support for DIRECTV
®
and MPEG transport streams
- DES/DVB descrambler
- Support for 64 PIDs and 64 section filters
- Support for play/record from/to hard disk
MPEG-ATSC Compliant Audio/Video Decoders
- MP@ML MPEG-2 video decoder
- Decode of MPEG Layer 1 and Layer 2 Audio
- Support for Dolby® AC-3 and compressed PCM
Broadcom Graphics Engine (BGE)
- Supports 3 Graphics, 1 x video and H/W cursor planes
- 2D video scaling support
- Integrated PAL/NTSC/SECAM encoder
- ITU-656 input support
MIPS32TM CPU Core @ 175 MHz
- MMU Support
- EJTAG debug support
IDE Host Adapter
- ATA5 command set, Ultra ATA/66 I/F
SUMMARY OF BENEFITS
•
Provides a cost-effective solution for direct broadcast satellite
•
(DBS) applications
Fully integrated QPSK receiver, MPEG-2 A/V decoder,
MIPSTM CPU and peripherals for complete set-top box
system
- Low cost solution for next generation set-top boxes
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
operating systems
Subsystems are based on Broadcom’s field-proven
production-available technologies
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BCM7315 Single-Chip System Block Diagram
Dual SmartCard
Flash
SDRAM
BCM3440
CMOS
Tuner
BCM7315
Dual Video
Output
Dual Audio
Output
PVR
BOARDCOM [ Broadcom Corporation. ]
