ATtiny1617/3217

18.4 Register Summary - VREF


Offset	Name	Bit Pos.	6	5	4	3	2	1	0
0x00	CTRLA	7:0	ADC0REFSEL[2:0]				DAC0REFSEL[2:0]
0x01	CTRLB	7:0		DAC2REFEN	ADC1REFEN	DAC1REFEN		ADC0REFEN	DAC0REFEN
0x02	CTRLC	7:0	ADC1REFSEL[2:0]				DAC1REFSEL[2:0]
0x03	CTRLD	7:0					DAC2REFSEL[2:0]

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