29.6.2.2 Enabling, Disabling and Resetting

The AC is enabled by writing a '1' to the Enable bit in the Control A register (CTRLA.ENABLE). The AC is disabled writing a '0' to CTRLA.ENABLE.

The AC is reset by writing a '1' to the Software Reset bit in the Control A register (CTRLA.SWRST). All registers in the AC will be reset to their initial state, and the AC will be disabled. Refer to CTRLA for details.

The individual comparators must be also enabled by writing a '1' to the Enable bit in the Comparator x Control registers (COMPCTRLx.ENABLE). However, when the AC is disabled, this will also disable the individual comparators, but will not clear their COMPCTRLx.ENABLE bits.