簡要介紹了AT90CAN128 的功能特點，講述了AT90CAN128 中CAN 控制器的原理及使用方法，針對所設計車型CAN 總線控制系統的構成特點，制定了通信協議，并以聯合制動單元為具體實例，對其設計過程進行了詳細的描述，使讀者能更加深刻地體會到這款單片機的特別之處。
關鍵詞：AT90CAN128；單片機；CAN 總線；聯合制動；通訊協議

The Design for Some Vehicle's CAN Bus System Based on the AT90CAN128 Single
Chip Microcomputer Jiang Jie Fan Yu (Information Engineering Institute, Inner Mongolia University Of Science and Technology, 014010, China) Abstract: The functional characteristics of the AT90CAN128 have been simply introduced in this article, together with its CAN controller's principle and usage method are given in detailed. Aimed at the vehicle's CAN control network constituent characteristics, the author enacted COMMUNICATION protocol and taked the blend brake unit as a example, particularly described it's design procedure, in order to make the readers have deep impressive for this Single Chip Microcomputer.
Key words: AT90CAN128; Single Chip Microcomputer; CAN Bus; Blend Brake; Communication Protocol