电子万年历电路及系统软件设计
以STC89C54RD为核心，与其它电子技术相结合，研究设计了电子万年历。选用显示面积比较大的12864液晶作为显示模块，D1302为时钟模块，计时精准，并使用双电源供电的设计，防止1302芯片数据掉电丢失。DS18B20作为温度检测模块，占用单片机资源少，测温准确。以单片机为基础设计的万年历具有低功耗，多功能，抗干扰，价格低，寿命长的特点，具有一定的推广价值。
关键词：STC89C54RD；DS18B20;12864液晶
The Electronic Calendar
Abstract:The electronic calendar is designed by STC89C54RD as the core and combining with other electronic technology.It uses 12864 liquid crystal display that have large displayArea.This work uses DS1302 as the clock module that have precise timing and have dual power supply.DS18B20 is used to be temperature detection module that have accurate temperature measurement and occupy less MCU resources. Based on MCU has low power consumption, multi-function,anti-interference,low price,long life characteristics,has a certain popularization value.
Key words: STC89C54RD; DS18B20; LCD
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