1
’ to the Output Pad Enable (OUTEN) bit in the Control A
(ACn.CTRLA) register.1
’ to the ENABLE bit in ACn.CTRLA.During the start-up time after enabling the AC, the INITVAL bit in the CTRLB register can be used to set the AC output before the AC is ready. If VREF is used as a reference source, the respective start-up time of the reference source must be added. For details about the start-up time of the AC and VREF peripherals, refer to the Electrical Characteristics section.
To avoid the pin being tri-stated when the AC is disabled, the OUT pin must be configured as output.