原创 c8051f020-I/O应用

//this examples shows how to configure the crossbar

//includes
#include<c8051f020.h>

sbit LED="P1"^6;

void PORT_Init(void);

void delay(unsigned char count)
{
unsigned int i,j;
for(i=0;i<count;i++)
    {
     for(j=0;j<100;j++)
     {
       ;  
     }
    }
}

int main(void)
{
  WDTCN="0xde";
  WDTCN="0xad";

  PORT_Init();

  while(1)
  {
    LED =~LED;
 delay(6000);
  }

}

void PORT_Init(void)
{
  XBR2 = 0X40;
  P1MDOUT=0X40;
}