介绍了一种采用独立CAN总线控制器SJAIO00和8位单片机89C51组成的CAN总线通讯模块的实现方法。详细描述了模块的硬件电路组成及抗干扰设计，给出了SJAIO00的初始化、报文的发送和接收程序代码。-Introduced a method for CAN bus communication module design using independent CAN bus

controller SJA1000 and 8-bit microcontroller 89C51．The design ofhardware circuit and and—jamIning is discussed in

detail。The program code ofinitialization for SJAIO00、sending and receiving message is~,ang。