用51单片机设计了一个简单的倒计时器,但数码管有点小问题,请教高手_百度...答:试试看:include<reg51.h> define uint unsigned int define uchar unsigned char uchar code table[] = { 0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};uchar data1[]={5, 9}; //保存倒计时初始值 uchar num; //设为全局变量 uchar count;sbit a = P1^0; //设置...