2.6.5.12 Enum adc_reference

Enum for the possible reference voltages for the ADC.

Table 2-52. Members
Enum valueDescription

ADC_REFERENCE_INTREF

Internal Bandgap Reference

ADC_REFERENCE_INTVCC0

1/1.48VCC reference

ADC_REFERENCE_INTVCC1

1/2VCC (only for internal VCC > 2.1V)

ADC_REFERENCE_AREFA

External reference A

ADC_REFERENCE_INTVCC2

VDDANA