单片机 定时器程序中怎么用?答:include <reg52.h> unsigned char tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,};unsigned char num,cont;void Init_Timer0(void){ TMOD = 0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA = 1;ET0 = 1;TR0 = 1;} void main(void){ unsigned char ...