说明：  CAN总线技术在汽车车速表和里程表中的应用 以PHILIPS公司的SJAl000为例，介绍了CAN现场总线的特点，控制器的功能、结 构和CAN2．0B总线协议的基本内容，阐述了一个基于CAN总线的汽车车速和里程表应用系 统、系统性能要求、系统硬件构建和软件设计思路。
(PHILIPS company SJAl000 to an example, the characteristics of the CAN field bus, the controller function, structure and basic content of CAN2.0B bus protocol, describes a vehicle based on CAN bus speed and odometer applications, system performance requirements , system hardware and software building design ideas.)