51
单片机60秒倒计时 数码管显示本资源适用于初学者，使用单片机型号为普中51单片机：下面展示 代码。#include"reg52.h"***it LSA=P2^2;***it LSB=P2^3;***it LSC=P2^4;//38译码器控制位选char code smgduan[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};char a1,a2,s=60;//s为要定
