#include <avr/io.h>
#include <avr/interrupt.h>

void ADC_init(void){

ADCSRA = (1<<ADEN)|(1<<ADIE)|(1<<ADATE)	|(1<<ADPS1)|(1<<ADPS0);

}

int main(void){
DDRD=0xff;
ADC_init();
sei();
ADCSRA|=(1<<ADSC);
while(1){};

}


ISR(ADC_vect){

uint8_t a;
uint8_t b;
PORTD=ADCSRA;
a=ADCSRA & 0x88;
if(a==0x88){


a=ADCH;
b=ADCL;

PORTD=b;}

}