Issues such as how to select an appropriate filter mode for an independent CAN controller SJA1000, how to set acceptance code and mask code as well as how to establish a CAN Bus network are discussed. 介绍了CAN总线应用范围、技术特点和通信模型,对使用中应注意的问题,如独立CAN控制器SJA1000验收滤波器滤波方式的选择、屏蔽码和验收码的设置及CAN总线网络组建方法进行了探讨。