摘要
详细介绍了DS12 887时钟芯片的管脚功能 ,给出了其内部功能框图。结合实际电路分析了DS12 887在LED显示屏中的应用、与 80 196KB的联结方法、编程方法 。
The paper introduces in detail the function of pin on DS12887 clock COMOS chip and draws the frame chart to illustrate its inner function.The application of DS12887 in LED display screen is analysed through practical circuit.In addition,the paper presents linking methods with 80196Kb,methods of programming and program list.
出处
《长春工程学院学报（自然科学版）》
2001年第2期65-69,共5页
Journal of Changchun Institute of Technology：Natural Sciences Edition
关键词
时钟芯片
地址
非易失性RAM
中断
程序
clock COMOS chip
address
uneasy losing character of RAM
interruption
program
