51单片机控制138与595移动显示程序-51 monolithic machine control 138 and 595 displacement demonstrates procedure

基于89s52单片机74595和74138的16乘32点阵显示，能实现左右上下滚动和上下卷帘等变幻画面，并且可实现proteus仿真-Based on 89s52 microcontroller 74 595 and 74 138 16 x 32 dot matrix display, scroll up and down to achieve about such changes and rolling up and down the screen, and can achieve prote

16字 LED点阵屏+DS1302电子钟 C 程序1 脚接+5V 2，3脚32768HZ晶振 4脚接地 5脚接S51的P02 6脚接S51的P01 7接S51的P008脚接后备电源，可以接老计算机主板板上的3.6V电池，也可以通过二级管隔离接一个大容量电解电容电压在2.5V以上即可维持595连级输出数据，138行驱动 P1_0为时钟模式转换键、P2_1为时钟加键、P1_2为时钟减键、P2_3为时钟复 -C program of the 16-character LED dot matrix

采用74HC159,74HC595构成驱动电路，实现汉字的静态显示以及，上下左右移动(74HC159,74HC595 is used to form a driving circuit to realize static display of Chinese characters and move up and down.)