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Product Detailed Parameters
- Description：DIGITAL SUBSCRIBER CONTROLLER C
- Series：*
- Mfr：Advanced Micro Devices
- Package：Bulk
- Protocol：-
- Function：-
- Interface：-
- Standards：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The AM79C32AJC/D is an ISDN Data Controller (IDC) circuit manufactured by Advanced Micro Devices. It integrates the CCITT I.430 S/T-interface transceiver, D-channel LAPD processor, and IOM-2 interface into a single CMOS chip. The device supports point-to-point, short, and extended passive bus configurations for ISDN terminal equipment. Key digital processing features include flag generation/detection, CRC generation/checking, zero insertion/deletion, four 2-byte address detectors, and dedicated receive and transmit FIFOs.
Feature Summary
- Integrates physical layer transceiver with protocol processing capabilities
- Supports standard ISDN S/T reference point configurations
- Includes hardware-accelerated data link layer functions
Applications
- ISDN terminal adapter implementation
- Network termination unit design
- Digital subscriber line controller circuits
Part Context
This component belongs to the AMD AM79C30/AM79C32 family of ISDN controllers. While the AM79C30A includes audio processing capabilities for speakerphone algorithms, the AM79C32A variant focuses strictly on data control functions without the integrated audio codec features found in its counterpart.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should verify pinout compatibility and firmware requirements when considering alternative ISDN controllers from other manufacturers.
