#include "at89x51.h"
#include "absacc.h"

#include "stdio.h"

#define A74273 XBYTE[0x7fff]
void delay200ms(void)
{
	int i,j;
	for(j=0; j<4; j++)
		for(i=0; i<10000; i++);
}

void main(void)
{	 while(1) 
	{A74273 = 0xff;
    delay200ms();
	
	A74273 = 0x00;
    delay200ms();
	 }	
}