The MC68605FN10 is an X.25 Protocol Controller manufactured by Freescale Semiconductor (now NXP). It is designed to handle the complex tasks of packet assembly/disassembly (PAD) and link-level management in X.25 networks. This integrated solution simplifies the implementation of X.25 communication in embedded systems and data communication equipment.

Applications

• X.25 network interfaces: Provides connectivity to X.25 packet-switched networks.
• PAD devices: Implements packet assembly/disassembly functions for asynchronous devices.
• Data communication equipment (DCE): Used in modems and other devices that connect to X.25 networks.
• Terminal servers: Allows multiple terminals to share a single X.25 connection.
• Industrial control systems: Enables data communication over X.25 networks in industrial environments.

Features

• Integrated X.25 LAPB controller: Handles link-level protocol management.
• Packet assembly/disassembly (PAD) functions: Converts asynchronous data into X.25 packets and vice versa.
• HDLC frame support: Implements the High-Level Data Link Control (HDLC) protocol for reliable data transmission.
• Multiple channel support: Allows simultaneous management of multiple X.25 connections.
• On-chip timers: Provides timing functions for link management and error recovery.

Benefits

• Simplified X.25 implementation: Reduces the complexity of integrating X.25 communication into embedded systems.
• Reduced system cost: Integrates multiple functions into a single chip, lowering component count and board space.
• Improved performance: Offloads packet processing tasks from the host CPU.
• Enhanced reliability: Implements robust error detection and correction mechanisms.
• Flexible configuration: Allows customization of X.25 parameters to meet specific network requirements.

Additional Details

The MC68605FN10 supports data rates up to 10 Mbps. It typically uses a 68-pin PLCC (Plastic Leaded Chip Carrier) package and requires a 10 MHz clock frequency. It adheres to CCITT X.25 Recommendations.