ADC Interrupt Flags Cleared When Reading RESH

ADCn.INTFLAGS.RESRDY and ADCn.INTFLAGS.WCOMP are cleared when reading ADCn.RESH.

Work around

In 8-bit mode, read ADCn.RESH to clear the flag or clear the flag directly.

Affected Silicon Revisions

ATtiny1617
Rev. A            
X            
ATtiny3217
Rev. A Rev. B Rev. C          
- * -          
Parent topic: ADC - Analog-to-Digital Converter