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

ISR(TIMER1_COMPA_vect)
{
   PORTB=PORTB^0xFF;
}


int main(void)
{
    //Timer1 Initialisieren
	//clock value: 10MHz / 1024 = 9,765 kHz
	//Timer soll im CTC -Mode betrieben werden
	TCCR1A=0x00;
	TCCR1B=0x0D;
	TCNT1=0x00;
	//TCNT1L=0x00;
	ICR1H=0x00;
	ICR1L=0x00;
	OCR1A=1953;  //alle 200ms
	//OCR1AL=0x00;
	OCR1BH=0x00;
	OCR1BL=0x00;
	
	//Compare Match Interrupt zulassen
	TIMSK=0x40;

	//Interrupt enablen
	sei();
	  
    while(1){}


}