13.11.6.2.3 Selecting a Voltage Reference
The Voltage Reference Selection bit field in the VREF register (VREF.SEL) selects the voltage of INTREF to be applied to analog modules, e.g. the ADC.
The Voltage Reference Selection bit field in the VREF register (VREF.SEL) selects the voltage of INTREF to be applied to analog modules, e.g. the ADC.