利用87C196CA的EPA实现等精度转速测量  

An Implement of Rotate Speed Measurement by EPA in 87C196CA

作　　者：丁卫东[1] 石金宝[1] 吕曦晨 

机构地区：[1]山东电力研究院,250002

出　　处：《山东电力技术》2003年第1期14-16,共3页Shandong Electric Power

摘　　要：论述了用TN87C196CA的EPA实现四路转速测量的方法及实现过程 ,分析了高速测量时的误差控制办法 ,并给出了EPA设定及EPA中断服务等示范程序。The method of rotate speed measurement by EPA in TN87C196CA was supplied, and the implement procedure was descripted. The accuracy controlling in high speed was analyzed in detail. Programs with EPA environment settings and EPA interrupt service routine were listed.

关 键 词：87C196CA EPA 等精度转速测量 单片机 脉冲宽度测量 

分 类 号：TM935.41[电气工程—电力电子与电力传动]