串行时钟PCF8583在微机保护装置中的应用  

Application of serial clock chip PCF8583 in microcomputer protection device

作　　者：苗璐[1] 刘沛[1] 苗世洪[1] 

机构地区：[1]华中科技大学电气与电子工程学院,湖北武汉430074

出　　处：《电子设计工程》2009年第6期96-98,共3页Electronic Design Engineering

摘　　要：实时时钟是微机保护装置的重要部件,在讨论PCF8583结构与功能的基础上,提出采用dsPIC33F系列微处理器与串行I2C时钟PCF8583的接口设计方案,给出了相应的接口电路与软件流程。该设计方案结构简单,可靠性高,开发周期短,具有一定的实用与参考价值。所设计的微机保护装置已投入现场运行,效果良好。Real-time clock chip is an important part in microcomputer protection device.Based on discussing the structure and function of PCF8583,a new interface scheme which uses dsPIC33F microprocessor and serial clock chip（FC）PCF8583 is proposed.The method of the circuit design and the main software flow are introduced in this paper.The scheme has simple structure, higher reliability and shorter exploitation cycle,so has definite practicality or reference value.The microcomputer protection device has been put into operation with better effects.

关 键 词：串行时钟 PCF8583 I2C dsPIC33F微处理器 微机保护装置 

分 类 号：TN911[电子电信—通信与信息系统]