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AM79C32A

Advanced Micro Devices
Part Number AM79C32A
Manufacturer Advanced Micro Devices
Description Digital Subscriber Controller (DSC) Circuit
Published Mar 26, 2005
Detailed Description FINAL Am79C30A/32A Digital Subscriber Controller™ (DSC™) Circuit DISTINCTIVE CHARACTERISTICS s Combines CCITT I.430 S/T...
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AM79C32A
AM79C32A

Overview
FINAL Am79C30A/32A Digital Subscriber Controller™ (DSC™) Circuit DISTINCTIVE CHARACTERISTICS s Combines CCITT I.
430 S/T-Interface Transceiver, D-Channel LAPD Processor, Audio s Processor (DSC device only), and IOM-2 Interface in a single chip s Special operating modes allow realization of CCITT I.
430 power-compliant terminal equipment s S- or T-Interface Transceiver — Level 1 Physical Layer Controller — Supports point-to-point, short and extended passive bus configurations — Provides multiframe support s Certified protocol software support available s CMOS technology, TTL compatible s D-channel processing capability — Flag generation/detection — CRC generation/checking — Zero insertion/deletion — Four 2-byte address detectors — 32-byte receive and 16-byte transmit FIFOs BLOCK DIAGRAM SBP/IOM-2 Interface CAP1 CAP2 SBIN SCLK BCL/CH2STRB* SBIOUT SFS HSW AINA AREF AINB EAR1 EAR2 LS1 LS2 Audio Interface Main Audio Processor (MAP) (Am79C30A Only) Peripheral Port (PP) S/T Line Interface Unit (LIU) D Channel B1 LOUT1 LOUT2 LIN1 LIN2 Bd Be Bf Ba B-channel Multiplexer (MUX) B2 D-Channel Data Link Controller (DLC) XTAL1 XTAL2 MCLK Oscillator (OSC) Bb Bc D Channel CS WR RD Microprocessor Interface (MUX) RESET D7 D6 D5 D4 D3 D2 D1 D0 INT A2 Microprocessor Interface A1 A0 09893H-1 This document contains information on a product under development at Advanced Micro Devices.
The information is intended to help you evaluate this product.
AMD reserves the right to change or discontinue work on this proposed product without notice.
Publication# 09893 Rev: H Amendment/0 Issue Date: December 1998 S/T Interface DISTINCTIVE CHARACTERISTICS (continued) s Audio processing capability (DSC circuit only) — Registers for implementation of software-based speaker phone algorithms — Dual audio inputs — Earpiece and loudspeaker drivers — Codec/filter with A/µ selection — Programmable gain and equalization filters — Programmable sidetone level — Programmable DTMF, single tone, p...


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