Internet Gateway Processor

GENERAL DESCRIPTION The ADSP-21mod870 is a single-chip Internet gateway processor optimized for implementation of a complete V.34/56K modem. All data pump and controller functions can be implemented on a single chip, offering the lowest power consumption and highest possible modem port density.

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16-Bit, First Complete Digital Modem on a Single Chip

The ADSP-21mod870 digital modem processor is the first complete digital modem on a single chip. Digital modems are used in remote access servers (RAS). These servers contain banks of modems which receive dial-in calls from computer users seeking to connect to the Internet or to other networks.\n\nTh • V.34/56K (K56Flex) and V.42/V.42bis controller code \n\n• 16-bit DMA port for software downloads \n\n• TDM serial ports interfaces directly to T1/E1 \n\n\n\n• 160 Kbytes (64 Kwords) on-chip SRAM \n\n• Lead Quad Flatpack 1.4mm thick \n\n• Power management - 140mW at 3.3V;

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Internet Gateway Processor

GENERAL DESCRIPTION The ADSP-21mod870 is a single-chip Internet gateway processor optimized for implementation of a complete V.34/56K modem. All data pump and controller functions can be implemented on a single chip, offering the lowest power consumption and highest possible modem port density.

文件：231.13 Kbytes 页数：32 Pages

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Internet Gateway Processor Software

INTRODUCTION The ADSP-21mod870-110 is a complete single chip. All datapump and controller functions are implemented on a single 0.4 square-inch chip. This modem package allows the highest modem port density, while achieving the lowest power consumption in a software upgradable platform. FEATURES

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Internet Gateway Processor

文件：234.16 Kbytes 页数：32 Pages

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Internet Gateway Processor Software

文件：65.05 Kbytes 页数：6 Pages

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