【摘要】 介绍了CAN总线的特点、数据帧格式、数据交换原理、数据传输速度及其与总线长度的关系以及近年来出现的几种高层协议. 讲述了CAN总线在汽车计算机控制系统中的应用情况,指出CAN总线作为一种极具潜力的控制器局域网总线,在汽车计算机控制系统中有着广阔的应用前景.更多还原

【Abstract】 CAN(controller area network) bus is presented with its characteristics, message frame for standard and extended formats, principles of data exchange, bitrate and bus length and several high layer protocols evolved since the introduction of CAN. Applications of CAN bus in automobile electronic systems are also introduced. It is pointed out that as a potential controller area network, CAN bus will find extensive applications in automobiles.更多还原