单片机计数器T0作定时技术

0)/256;

TL0=(65536-50000)%6;

TR0=1;

ET0=1;

EA=1;

tcount=0;

second=0;

P0=dispcode[second/10];

P2=dispcode[second];

while(1);

}

void t0(void) interrupt 1 using 0

{

tcount++;

if(tcount==20)

{

tcount=0;

second++;

if(second==60)

{

second=0;

}

P0=dispcode[second/10];

P2=dispcode[second];

}

TH0=(65536-50000)/256;

TL0=(65536-50000)%6;

}