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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/E 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 and passive bus configurations for ISDN terminal equipment. Key digital processing features include flag generation/detection, CRC generation/checking, zero insertion/deletion, address detection, and dedicated receive/transmit FIFOs. It ensures compatibility with international standards for S and T reference points.
Feature Summary
- Integrates physical layer transceiver, protocol processor, and host interface in one package
- Supports standard ISDN S/T reference point configurations
- Provides hardware-accelerated D-channel frame processing capabilities
Applications
- ISDN Terminal Equipment (TE)
- Network Termination Type 1 (NT1) devices
- Integrated ISDN access systems
Part Context
This component belongs to the AMD AM79C30A/AM79C32A family of ISDN controllers. While the AM79C30A includes audio processing capabilities for speakerphone applications, the AM79C32A focuses on data control functions. Both variants share the same core architecture for handling ISDN protocols and physical layer signaling.
Replacement Considerations
The AM79C30AVC is a compatible variant within the same product family that adds audio processing features. Verification of pinout and functional requirements is necessary when substituting between these models.
