连续补充充电实时时钟芯片DS1302及其应用  

Trickle Charge Timekeeping Chip DS1302 and Its Application

作　　者：朱路 朱清慧[2] 

机构地区：[1]河南省社旗县教师进修学校,河南南阳473317 [2]南阳理工学院,河南南阳473004

出　　处：《现代电子技术》2006年第19期116-118,共3页Modern Electronics Technique

摘　　要：详细介绍了达拉斯公司的实时时钟芯片DS1302的主要特点和与外部控制CPU的串行通讯方式,并对其内部结构、管脚功能及内部时钟/日历寄存器和静态RAM对数据读写控制方式也分别做了具体介绍,其目的是使应用者能对此芯片的功能、参数和使用方法有一个全面详细的了解和掌握,能够快速上手。同时,还给出了一个具体的应用实例,通过该例使读者对DS1302的外部电路连接和数据通讯方式有一个更加具体的认识。The key characteristics and the serial communication method with external CPU of DS1302 are introduced in detail. Also, the internal structure, pins function and internal clock/calendar register and static RAM are described respectively to make readers to have a general and clear understanding and mastery with the function, parameters and the using method of this chip to be able to begin with it quickly. Meanwhile, a discrete application example is also given here, making readers to have more material understanding with DS1302ts external connection circuit and the data communication method.

关 键 词：实时时钟 连续补充充电 串行通讯 后备电源 多字节模式 

分 类 号：TP21[自动化与计算机技术—检测技术与自动化装置]