51单片机里2个外中断触发计时器开始和结束,将所记得的时间显示出来的程...答:完整的程序,装上就可以用了。/ 秒表程序,P0接段位,P2接数码管数位。采用中断精准及时。/ include <AT89X55.H> define uc unsigned char uc s,min,h,time,ms;uc temp[]={0,0,0,0,0,0,0,0};void display(){ uc displaycode[10]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,...