PEB 20256 E V2.1

Telecom Overview

The PEB20256E Version 2.1 is a Multichannel Network Interface Controller for HDLC/PPP, also known as MUNICH256. It serves as a multichannel protocol controller designed for telecommunication and data communication applications. The device supports PCI, SPI, Local Microprocessor (Intel/Motorola), and Serial Line interfaces. It features selectable port configurations in 16-port or 28-port modes, internal buffer management, and descriptor-based data handling.

Telecom Feature Summary

• Supports HDLC and PPP protocols with channelized and unchannelized modes
• Configurable serial interface supporting T1, E1, and unchannelized operation
• Integrated data management unit with descriptor concept for efficient processing
• Flexible local bus interface compatible with Intel and Motorola architectures

Telecom Applications

• Telecommunication network interface controllers
• Data communication protocol gateways
• Multichannel framing and line termination systems

Telecom Procurement Notes

Verify component authenticity through authorized Infineon channels. Confirm the specific version suffix matches design requirements. Review the official datasheet for absolute maximum ratings and electrical characteristics before integration. Ensure compliance with CECC manufacturing standards specified in the documentation.

Telecom Selection Notes

Select this controller for applications requiring high-density multichannel HDLC/PPP processing. Evaluate the required port mode (16 or 28) against system pinout constraints. Verify compatibility with the host processor's bus interface (PCI or Local Bus). Consider the internal buffer sizes for expected throughput requirements.

Telecom Part Context

This component belongs to the MUNICH256 family of network interface controllers. It is part of Infineon's portfolio for datacom applications, focusing on protocol control and channel management. The Version 2.1 revision includes updates to timing information and register bit positions compared to preliminary releases.

Telecom Replacement Considerations

Consult Infineon for current equivalents. No direct public substitute part numbers are confirmed in the provided documentation.