这是点阵程序 个人认为先学点阵再学lcd比较好 p0 p2分别接16*16点阵的高八位和低八位(纵向取模) p3口低四位接4-16线译码器（74ls154）译码器低电平为列选 消除鬼影的方法：

该程序在keil软件中编译后，下载进STC89C52RC中，能够实现数码管动态显示中的消除鬼影现象。-The program compiled in keil software download into STC89C52RC, it is possible to achieve a dynamic digital display eliminates ghosting.

数码管的动态显示，已经进行了优化，消除了鬼影和闪烁，非常适合显示时间，计算器计算结果等方面。-Dynamic digital tube display, has been optimized to eliminate ghosting and flickering, very suitable for areas show time calculator calculates the results.