RS232通信网络与CAN总线通信网络互联设计

Design of connection between RS232 communication network and CAN bus communication network

基于CAN总线原理,结合CAN控制器SJA1000、CAN收发器CTM和ATmega128的特性,针对CAN总线和RS232互联问题,提出了RS232-CAN接口模块的设计方案,详细介绍了硬软件设计模块以及本设计的具体应用。

Based on the principle of CAN and the feature of CAN controller SJA1000,CAN transceiver CTM1050 and MCU ATmega128,the paper provided the communication and connection issues between CAN bus line and RS-232 bus line.The paper also provided the RS232-CAN interface module for the issues.The paper introduced the design and application of the hardware module and the software module.