Data Sheet

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Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
z Bit 0 – OVF: Overflow Interrupt Enable
0: The Overflow interrupt is disabled.
1: The Overflow interrupt is enabled.
Writing a zero to this bit has no effect.
Writing a one to this bit will set the Overflow Interrupt Disable/Enable bit, which enables the Overflow interrupt.