during first experiments with an Atmega1280 (powered with 5V at 16Mhz) I
encountered one problem with the ADC-interrupt, although I followed the
The interrupt vector is not called although I enabled ADC functionality,
it's interrupt and the global interrupt, additionally I set the
initiate the conversion, register settings:
DIDR0 = 0xFF ; -> digital inputs disabled
DIDR2 = 0xFF ; -> digital inputs disabled
ADCSRA = 0x8F; -> ADEN, ADIE , prescaler 128, ADSC set at conversion
ADCSRB = 0 ;
ADMUX = 0 ; -> AREF used
Did I miss any specification detail ?
It would be very helpful if someone could give me a hint what might be
the cause for this.