SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
42
5. DAC0 is selected when DACC_CHER.CH0 is set. DAC1 is selected when DACC_CHER.CH1 is set. See Section 44.7.3
“DACC Channel Enable Register”.
6. WKUPx can be used if PIO controller defines the I/O line as "input".
