18.6.2.2 Enabling, Disabling and Resetting

The RTC is enabled by setting the Enable bit in the Control register (CTRL.ENABLE=1). The RTC is disabled by writing CTRL.ENABLE=0.

The RTC is reset by setting the Software Reset bit in the Control register (CTRL.SWRST=1). All registers in the RTC, except DEBUG, will be reset to their initial state, and the RTC will be disabled. The RTC must be disabled before resetting it.