RS-485芯片MAX1480A、MAX1480B在单片机系统中的应用及不同特性的研究  

Research of the Different Characteristics between MAX1480A and MAX1480B Completely Electrically Isolated RS－485 Serial Data Communication Interface Chip

作　　者：佟强[1] 郭育华[1] 连级三[1] 

机构地区：[1]成都市西南交通大学磁浮列车与磁浮技术研究所,610031

出　　处：《微计算机信息》2000年第3期82-84,共3页Control & Automation

摘　　要：本文介绍了一种完整的带光电隔离的RS－485通讯接口芯片MAX1480并利用AT89C51构成的双机通讯电路对MAX1480A和MAX1480B的不同特性进行了全面的测试与分析，得出了实用性结论．文章中给出了完整的实验电路与测试程序。This paper introduces the fullctional characters of the completely electrically isolated RS -485 serial data communication interface chip MAX1480A/B.The different characters between MAX1480A and MAX1480B were instrictly tested and analyzed by the two AT89C51 communication circuit and useful conclusions, complete experiment circuit and test programs were given.

关 键 词：单片机系统 RS-485芯片 MAX1480A MAX1480B 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]