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| BCM7100 PRODUCT (R) Brief OF BENEFITS BCM7100 SINGLE-CHIP CABLE SET-TOP BOX SYSTEM BCM7100 FEATURES SUMMARY * Audio/video subsystem * MPEG2/DC2/DVB transport * MPEG2/DC2 video decoder * MUSICAM/Dolby AC-3 audio decoder * Studio-quality text and graphics * NTSC/PAL analog video decoder/encoder * System bus bridge with DMA cable set-top box transceiver * In-band and out-of-band demodulators * Burst upstream transmitter (R) * A fully featured analog and digital video cable settop box feature set in a single chip reduces overall system cost dramatically. production-available technology. * Advanced 2D/3D graphics subsystem * QAMLink * Subsystems are based on Broadcom's field-proven * Can be used in cable systems worldwide with DVB, DAVIC, and ITU standards compatibility. * Broadcom developed device drivers enable rapid software development cycle with support of industry-standard operating systems. * Advanced graphics system allows applications such * Includes dual analog and digital (MPEG-2) video system. * MIPS-based microprocessor subsystem * On-board DAVIC 1.2/1.5 MAC * Key system peripherals * POD support including DVS 213 DES descrambler as internet browsers and electronic program guides to deliver studio-quality text and graphics on television monitors. * Supports DVS POD requirements. BCM7100 Single-Chip Set-Top Box System on a Chip POD CA Smart Card BCM7100 Single-Chip Set-Top Box R3000 CPU 4KI and 4KD 85 MIPS PA Diplex Filter BCM3120 QAM Receiver with Forward Error Correction (FEC) and OOB Receiver with FEC and Upstream QPSK/16-QAM Modulator DAVIC MAC Ver 1.2/1.5 Silicon Tuner Analog NTSC BCM7014 Graphics Engine with NTSC Encoder / Decoder/ System Controller ROM Flash I/O SDRAM I/O: DUART, LEDs, IRDA, IR RX/TX, SPI/I2S BCM7010 MPEG A/V and Transport and Audio DACs Audio Input Analog Audio Out Video Out BCM7100 OVERVIEW POD ISO 7816 SDRAM (16) I/O (MPC) ROM FLASH SDRAM (16/32) Broadcom Front--end Technology QAM/Video Input POD/CA I/F DVB and DES Descrambler SDRAM Controller Arbiter/ Memory Control Broadcom 2D Graphics with Filters, Scaler Paxel Vector RISC Accelerator NTSC/PAL Video Encoder with Triple DAC Composite 256 QAM In-Band Demod with 10-Bit A/D DAVIC MAC NTSC Analog Video Decoder MPEG 2 / DC2 Video Decoder S Video OOB Input Out-Of-Band QPSK Demod with 6-Bit A/D Burst QPSK/QAM Mod with 10-Bit D/A IB/OOB DC2/DVB Transport MUSICAM/ Dolby AC3 Audio Decoder Peripherals: IR RX/TX IRDA UART (X3) Counters (X3) SPI & IIC Master GPIO LED Keypad PCM Audio Engine with Stereo DAC R L SPDIF PCM Audio Upstream MIPS32 Microprocessor The BCM7100 is a cable set-top box system on a single chip, integrating Broadcom's field-proven BCM3120 cable transceiver technology, BCM7010 MPEG/AC-3 decoder technology, BCM7014 advanced 2D/3D graphics and system integration technology, BCM3310 MIPS microprocessor technology, all key interfaces to external memory and I/O, and the necessary peripherals for set-top box applications. The BCM7100 integrates Broadcom's field-proven and industryadopted QAMLink technology. This includes an in-band 256QAM demodulator with universal FEC supporting a picture IF input and a 10-bit ADC, a QPSK out-of-band demodulator with universal FEC and 6-bit ADC, and a burst QPSK/QAM modulator with universal FEC encoding and 10-bit DAC. Also included in the BCM7100 is a DAVIC 1.2/1.5 MAC able to communicate at downstream and upstream rates of up to 3 Mbps. This DAVIC MAC includes AAL5 and SAR functionality. The BCM7100 back-end technology is derived from the BCM7010 MPEG/Dolby Decoder and the BCM7014 Advanced 2D/3D Graphics Controller. The BCM7100 features an MPEG-2 DVB-compliant transport demultiplexer with advanced section filtering capability, DVB descrambler, DES descrambler, MPEG-2/DC2 video decoder, Dolby AC3/MUSICAM audio decoder with analog and SPDIF outputs, NTSC/PAL video encoder with MacrovisionTM and analog output, NTSC analog video decoder with comb filtering and time-base correction. The DES descrambler is compliant with the DVS 213 requirements for the transport stream POD interface. In addition, the BCM7100 includes Broadcom's advanced 2D/3D graphics engine, offering true studio-quality text and graphics with extremely efficient use of memory and bandwidth. The BCM7100 also incorporates a complete MIPS32-based microprocessor subsystem, including caches with bridging to memory and a local bus, where external peripherals can be attached. Peripherals included in the BCM7100 are UARTs, two ISO7816 smart card interfaces, counter/timers, GPIO, a POD interface, keypad, LED, IR Tx/Rx, IRDA, I2C and SPI controllers. Broadcom(R), the pulse logo, QAMLink(R) and Connecting everything(R) are trademarks of Broadcom Corporation and/or its subsidiaries in the United States and certain other countries. Dolby(R) is a trademark of Dolby Laboratories Licensing Corporation. MacrovisionTM is a trademark of Macrovision Corporation. All other trademarks are the property of their respective owners. (R) BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013 (c) 2003 by BROADCOM CORPORATION. All rights reserved. 7100-PB08-R-06.13.03 Phone: 949-450-8700 FAX: 949-450-8710 Email: info@broadcom.com Web: www.broadcom.com |
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