串行显示驱动器MC14499及其在单片机系统中的应用  

SERIAL DISPLAY DRIVER MC14499 AND ITS APPLICATION IN MCU SYSTEM

作　　者：程宇红[1] 

机构地区：[1]岳阳师范学院计算机系,湖南岳阳414006

出　　处：《常德师范学院学报（自然科学版）》2002年第2期38-39,61,共3页Journal of Changde Teachers University

摘　　要：MC144 99是一种BCD码输入 -十进制码输出的串行显示驱动器 .在单片机显示系统中 ,它占用的I/O口线少、单片控制显示位数多并且使用方便可靠 ,得到了广泛应用 .文章介绍了MC144 99的性能特点及其典型应用实例 ,包括通用接口电路设计、显示驱动程序设计及巧用MC144 99DP段构成特殊显示电路的方法。MC14499 was the serial display driver of BCD input and decimal output. It was widely used in MCU system because of its little of using I/O PIN,much of controlling D-digits and convenient use.The characteristics of MC14499 and its typical application,about general designs of interface circuit,display driver and the methlods of comprising special circuit,skills by using MC14499 DP, etc were introduced.

关 键 词：MC14499 串行显示驱动器 单片机 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]