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Dual All-Digital Satellite Receivers
- 1鈥?5 Mbaud variable rate receiver
- Integrated 7-bit A/D converters
- Complies with DVB/DIRECTV
廬
/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
- Dual 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
MIPS64TM CPU Core @ 200鈥?50 MHz
- IEEE 754 compliant floating point unit
- EJTAG debug support
IDE Host Adapter
- ATA5 command set, Ultra ATA/66 I/F
SUMMARY OF BENEFITS
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Provides a cost-effective solution for direct broadcast satellite
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(DBS) applications
Fully integrated dual QPSK receivers, MPEG-2 A/V decoder,
MIPSTM CPU and peripherals for complete set-top box
system
- Simultaneously supports two TVs with independent.
programming and on-screen graphics displays
PVR capability enables personal viewing and scheduling,
video-on-demand (VOD), and VCR 鈥渢rick mode鈥?effects on
any video stream
- Encryption ensures copy protection of recorded
programming content
- Simultaneous support for dual stream Record & 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鈥檚 field-proven production
available technologies.
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BCM7320 Single-Chip System Block Diagram
Dual Smartcard
Flash
BCM3440
CMOS
Tuner
SDRAM
BCM7320
BCM3440
CMOS
Tuner
Dual Video
Output
Dual Audio
Output
Dual
PVR
BCM7320相關(guān)型號(hào)PDF文件下載
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型號(hào)
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