標(biāo)題:
基于51 單片機(jī)的簡(jiǎn)單時(shí)鐘程序
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作者:
302908660
時(shí)間:
2020-1-3 10:31
標(biāo)題:
基于51 單片機(jī)的簡(jiǎn)單時(shí)鐘程序
#include <REGX51.H>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uint a,j,num,temp;
uchar b;
void inition();
void main()
{
inition();
b=0X01;
while(1)
{
if(num==10)
{
num=0;
P1=~b;
b=b<<1;
if(b==0x00)
b=0x01;
}
}
}
void time0() interrupt 1
{
TH0=(65535-50000)/256;
TL0=(65535-50000)%256;
num++;
}
void inition()
{
EA=1;
ET0=1;
TMOD=0X01;
TH0=(65535-50000)/256;
TL0=(65535-50000)%256;
TR0=1;
}
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