本文首先介绍了EPSON 公司的32 位单片机的性能特点,然后以S1C33209 和Philips公司的SJA1000 型控制器为核心,介绍了一种基于CAN 总线的探测系统的结构,重点对软 件设计作详细介绍。 关键词:32 位单片机,控制器,探测系统,嵌入式系统 Abstract:The characteristic of the EPSON 32-bit single chip microcomputer is introduced firstly, a CAN bus based detecting system, which take S1C33209 and SJA1000 as its core, is presented, the presentation focus on the design of the software. Key words:32-bit Single Chip Microcomputer,Controller,Detecting System,Embedded System.