摘要
本文介绍了实时时钟芯片DS12C887主要引脚、功能以及内部寄存器的编程方法。同时给出了DS12C887与AT89C51单片机结合实现数字时钟的方法。经实际电路调试验证,该芯片的掉电保护、编程灵活、工作稳定等功能得到充分体现。
This article describes primary pin,function and internal register programming method of realtime clock chip DS12C887.At the same time,the article introduces realization method of digital clock using DS12C887 and AT89C51 singlechip.After debugged and verified,the chip＇s power-down protection,programming flexibility,job security and other functions are fully realized.
出处
《内蒙古农业大学学报（自然科学版）》
CAS
北大核心
2010年第3期263-266,共4页
Journal of Inner Mongolia Agricultural University(Natural Science Edition)
