【導(dǎo)讀】系統(tǒng)以AT89C51單片機(jī)為控制器，以串行時(shí)鐘日歷芯片DS1302記錄日歷和時(shí)。間，它可以對(duì)年、月、日、時(shí)、分、秒進(jìn)行計(jì)時(shí)，還具有溫度顯示等多種功能。此萬年歷具有讀取方便、顯示直觀、功能多樣、電路簡潔、成。本低廉等諸多優(yōu)點(diǎn)，具有廣闊的市場前景。究，不斷創(chuàng)新紀(jì)錄。多種功能，而且DS1302的使用壽命長，誤差小。該電路采用AT89C51單片機(jī)作為核心，功耗小，能在3V的低壓工作，電壓可選。符合電子儀器儀表的發(fā)展趨勢，具有廣闊的市場前景。電子萬年歷的開發(fā)與研究在信息化時(shí)代的今天亦是當(dāng)務(wù)之急，場合，可以說遍及人們生活的每一個(gè)角落。所以說電子萬年歷的開發(fā)是國家之所需，社會(huì)之所需，人民之所需。展并且投入市場得到廣泛應(yīng)用。根據(jù)選用的電子萬年歷芯片設(shè)計(jì)外圍電路和單片機(jī)的接口電路。所以，系統(tǒng)的總體設(shè)計(jì)方案應(yīng)在滿足系統(tǒng)功能的前提下，充分考慮系統(tǒng)使用的環(huán)。較低的功耗以及低廉的成本。秒信號(hào)，使用程序?qū)崿F(xiàn)年、月、日、星期、時(shí)、分、秒計(jì)數(shù)。而用DS1302時(shí)鐘芯片實(shí)現(xiàn)時(shí)

　　

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