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| BCM7320 (R) SINGLE-CHIP SATELLITE SET-TOP BOX DECODER FEATURES * Dual All-Digital Satellite Receivers - 1-45 Mbaud variable rate receiver - Integrated 7-bit A/D converters - Complies with DVB/DIRECTV(R)/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 @ 200-250 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. * * * * * * * * * 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 |
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