51單片機(AT89C52)D/A轉(zhuǎn)換
[導讀]#include#define uchar unsigned char#define uint unsigned intsbit cs=P3^0;sbit wr=P3^1;void delayms(uint x){uint y,z;for(y=x;y>0;y--)for(z=110;z>0;z--);}void main(){uchar temp;cs=0;wr=0;while(1){P2=tem
#include
#define uchar unsigned char
#define uint unsigned int
sbit cs=P3^0;
sbit wr=P3^1;
void delayms(uint x)
{
uint y,z;
for(y=x;y>0;y--)
for(z=110;z>0;z--);
}
void main()
{
uchar temp;
cs=0;
wr=0;
while(1)
{
P2=temp;
delayms(25);
temp++;
}
}
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