SINGLE-CHIP SATELLITE SET-TOP BOX DECODER

The BCM7320is a satellite set-top box system on a chip, integrating Broadcom’s field-proven BCM4500 QPSK demodulator technology, as well as technology derived from Broadcom’s cable products (such as the BCM7115 cable single chip device).

FEATURES
• Dual All-Digital Satellite Receivers
- 1–45 Mbaud variable rate receiver
- Integrated 7-bit A/D converters
-  Complies with  DVB/DIRECTV®/Digicipher  II  FE 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 @ 200–250 MHz
- IEEE 754 compliant floating point unit
- 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 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 “trick mode” 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’s field-proven production available technologies.