18.4 Register Summary OffsetNameBit Pos.765432100x00CTRLA7:0 ADC0REFSEL[2:0] DAC0REFSEL[2:0]0x01CTRLB7:0 DAC2REFENADC1REFENDAC1REFEN ADC0REFENDAC0REFEN0x02CTRLC7:0 ADC1REFSEL[2:0] DAC1REFSEL[2:0]0x03CTRLD7:0 DAC2REFSEL[2:0]