https://devzone.nordicsemi.com/f/nordic-q-a/6947/how-to-clear-rtc-interruptHi all, I have an TICK interrupt on RTC1 on nRF51822, but the program keeps cycling in the interrupt - as if the interrupt is never cleared? Here&#39;s my code: void RTC1_IRQHandler(void) { // Clear all events (also unexpected ones) NRF_RTC1en-USTelligent Community 13Thu, 07 May 2015 17:10:06 GMThttps://devzone.nordicsemi.com/thread/24499?ContentTypeID=1Thu, 07 May 2015 17:10:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:54371bea-3427-426d-9498-66041c98643aTexton<p>Found the problem.. Turns out that there was no prescaler on the RTC timer, and therefore the interrupt couldn&#39;t be executed fast enough.</p><div style="clear:both;"></div>