一种新型RS-485接口芯片在远程多机通信中的应用

Application of a New Chip Based on RS-485 Chip in Long-distance Multi Communication

文章介绍了美国Intersil公司近期推出的ISL4489E芯片在远程多机通讯中的应用,给出了芯片的内部结构、引脚功能及其工作原理,并提供了应用电路和实用软件。

This paper introduces the application in Long-distanceMulti Communication of ISL4489E,which was produced by American IntersilCorp recently. It also presentstheinnerstructure, the function ofpins and theworking principle of this chip. In the end, the software used in the communication between PC and MCS is described in detail.