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BCM7312TKPB12G

BCM7312TKPB12G

  • 厂商:

    AVAGO(博通)

  • 封装:

    -

  • 描述:

    SOC DGTL BROADCAST SATELLITE

  • 数据手册
  • 价格&库存
BCM7312TKPB12G 数据手册
BCM7312 ® SINGLE-CHIP SATELLITE SET-TOP DECODER SUMMARY OF BENEFITS FEATURES • Provides a very cost-effective solution for Direct Broadcast • Integrated RF Tuner - Low-cost external fixed LNA chip - 950 - 2150 MHz RF input - All on-chip clocks generated from a single crystal Satellite (DBS) applications. • Ideally targeted at the low-cost, high-volume DBS boxes for costsensitive opportunities and emerging markets. • All-Digital Satellite Receiver • • • • • Fully Integrated Tuner, QPSK Receiver, MPEG2 A/V decoder, - 15 - 30 Mbaud variable rate receiver - Integrated 7-bit A/D converters - DVB/DIRECTV®/DigiCipher® II compliant FEC decoder Data Transport Processor - Support for DIRECTV and MPEG transport streams - DES/DVB descrambler - NDS XTV/ICAM support - Integrated DIRECTV AV security chip MPEG-ATSC Compliant Audio/Video Decoders - MP@ML MPEG2 video decoder - Decode of MPEG Layer 1 and Layer 2 audio - Support for Dolby® AC-3 and Compressed PCM Broadcom® Graphics Engine (BGE) - Supports multiple graphic layers - 2D video-scaling support - Integrated PAL/NTSC/SECAM encoder MIPS32TM CPU Core at 266 MHz - MIPS16eTM ASE code-compression support - MMU support - EJTAG debug support • • • • MIPS CPU and peripherals for complete set-top box system. - Low-cost solution for next-generation set-top boxes. Advanced 2D graphics system allows applications such as Internet browsers and electronic program guides to deliver studio-quality text and graphics on television monitors. Subsystems are based on Broadcom’s field-proven productionavailable technologies. Broadcom developed device drivers enable rapid software development cycle with support of industry-standard operation systems. Industry-leading third-party operating systems, tool chains and middleware supported, including OpenTV, NDS’s XTV system. BCM7312 Single-Chip System Block Diagram Flash DDR CVBS Y/C RF Input LNA BCM7312 RF 3/4 Audio L/R UHF / IR Rx IR Tx USB 2.0 Device OVERVIEW DUAL ISO 7816 DISEQ 2.0 CONTROL CONDITIONAL ACCESS MODULE TUNER SECURITY MODULE WITH OTP FLASH / IO IF DDR 16-BIT I/F ARBITER/DMA MEMORY CONTROLLER USB 2.0 HOST CONTROLLER 2 x PORTS WITH PHY COMPOSITE MPEG 2 VIDEO DECODER BROADCOM 2D GRAPHICS WITH FILTERS, SCALER VIDEO ENCODER 6 DACs S-VIDEO RGB QPSK DEMODULATOR DVB/DIRECTV TRANSPORT DVB/DES DESCRAMBLER RF MODULATOR AUDIO DECODER MUSICAM/ DOLBY AC3 AUDIO ENGINE AUDIO STEREO DACs TS INPUT SW MODEM SiLABSDAA I/F EJTAG MODULE MIPS32/16e 266 MHz 32KI/32 KD The BCM7312 is Broadcom’s third-generation satellite set-top box system on a chip design, but it is the first to fully integrate the DBS Tuner. This is the first truly integrated single chip for DBS applications. The BCM7312 integrates existing volume production technologies from Broadcom’s cable, satellite, and digital TV market expertise. The BCM7312 design is based on a unified memory architecture (UMA), utilizing a 150 MHz, 16-bit wide Double Data Rate (DDR) memory interface for added performance. The BCM7312 offers very high levels of integration for reduced system BOM, including RF 3/4 Modulator, USB 2.0 Host + Physical I/F, Stereo Audio DACs, Video Line Drivers, VCXOs and an internal 1.3V voltage RF 3/4 ON-CHIP BOOT ROM 8 KB R/L SPDIF PERIPHERALS BLOCK IR Rx (2x) / Tx Counters SPI GPIOs PWM I2C Master regulator. For further cost saving, the BCM7312 integrates Silicon Labs’ Si305x SSD device for SW Modem applications. The on-chip video encoder supports NTSC, PAL, and SECAM with optional Macrovision 7.1 support. The BCM7312 includes a complete industry standard MIPS32 microprocessor subsystem, including 32 Kbytes instruction and data caches. The CPU operates at 266 MHz, offering over 340-DMIPS rating. The architecture also includes the MIPS16e Application-Specific Extension for code compaction. A full range of peripheral features are supported, including UARTs, dual ISO 7816 smart cards I/F, GPIO, counters/timers, IR Tx/Rx, I2C and SPI controllers. Broadcom®, the pulse logo, and Connecting everything® are trademarks of Broadcom Corporation and/ or its subsidiaries in the United States and certain other countries. All other trademarks mentioned are the property of their respective owners. ® BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013 © 2004 by BROADCOM CORPORATION. All rights reserved. 7312-PB03-R 12/06/04 Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com
BCM7312TKPB12G 价格&库存

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