Up to eight analog input channels, CH[n](n=0..7), can be configured.
See Shared resources for shared input with comparators.
Any one of the available channels can be enabled for the ADC to operate in one-shot mode. If more than one CH[n] is configured, the ADC enters scan mode.
An analog input is selected as a positive converter input if CH[n].PSELP is set, setting CH[n].PSELP also enables the particular channel.
An analog input is selected as a negative converter input if CH[n].PSELN is set. The CH[n].PSELN register will have no effect unless differential mode is enabled and CH[n].PSELP is set, see MODE field in CH[n].CONFIG register.
Important: It is not recommended to use the same analog input pin for multiple analog peripheral functions. See also Shared resources.