SJA1000在数据采集与控制系统中的应用

本文介绍了一种新型的现场总线控制器ＳＪＡ １０００的基本结构及其功能特点，简要叙述了ＳＪＡ１０００与ＡＴ８９Ｃ５１组成的在基于ＣＡＮ总线的分布式数据采集与控制系统中的硬件接口电路和工作原理，最后还给出了通信程序清单。

This paper introduces the element elementary  configuration and functional characteristics of SJA1000,a new kind of Field Bus controller, discusses the hardware interface circuit and working principle with SJA1000 and AT89C51 in  distributed data collection and controller system based on CAN bus. At last, the communication program is given also.