/* 51hei單片機實驗板演示程序                                */
/*  網站：http://www.51hei.com                              */
#include"AT89x52.h"
#include"intrins.h"
#include"math.h"
	
#define uint unsigned int
#define uchar unsigned char

sbit DAC0832_SC=P3^5;
sbit DAC0832_WR=P3^6;

void delay(uint z)
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);
}

main()
{
	uchar Data;
	DAC0832_SC=0;
	while(1)
	{
		for(Data=250;Data>0;Data--)
		{
			P0=Data;
			DAC0832_WR=0;
			delay(1);
			DAC0832_WR=1;
	//		P0=Data;
	//		delay(1);
	//		DAC0832_WR=1;
			delay(100);
		}
	}
}