Phase correct PWM: keine Funktion, wenn OCnA und OCnB zusammen

#include <avr/io.h>

int main(void)

{

  PORTB = 0;

  DDRB = (1<<DDB1)|(1<<DDB2)|(1<<DDB3);  // PB1 = OC1A, PB2 = OC1B, PB3 = OC2A

  PORTD = 0;

  DDRD = (1<<DDD3);  // PD3 = OC2B

  TCCR1A = (1<<COM1A0)|(1<<COM1A1)|(1<<WGM10);// set output on cnt up, phase correct PWM 8 bit

//  TCCR1A = (1<<COM1B0)|(1<<COM1B1);      // same for B channel on Timer 1

  OCR1A  = 110u;                // compare value @50%

//  OCR1B  = 140u;                // same for B channel on Timer 1

  TCCR1B = (1<<CS11);             // Presc 8, Start Counter

  TCCR2A = (1<<COM2A0)|(1<<COM2A1)|(1<<WGM20);// set output on cnt up, phase correct PWM

//  TCCR2A = (1<<COM2B0)|(1<<COM2B1);      // same for B channel on Timer 2

  OCR2A  = 140u;                // compare value @50%

//  OCR2B  = 110u;                // same for B channel on Timer 2

  TCCR2B = (1<<CS21);             // Presc 8, Start Counter 

    while(1)

    {

        //TODO:: Please write your application code 

    }

}