BCM7315 Просмотр технического описания (PDF) - Broadcom Corporation
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BCM7315 Datasheet PDF : 2 Pages
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BCM7315
®
SINGLE-CHIP SATELLITE SET-TOP BOX DECODER
FEATURES
SUMMARY OF BENEFITS
• 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
• 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
BCM7315 Single-Chip System Block Diagram
Dual SmartCard
BCM3440
CMOS
Tuner
BCM7315
Flash
SDRAM
Dual Video
Output
Dual Audio
Output
PVR
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