https://devzone.nordicsemi.com/f/nordic-q-a/59850/about-rtc-module-systick-and-softdeviceHello, About RTC module, Systick and SoftDevice. Does SoftDevice make use of RTC module events ? Does SD also make use of ARM SYSTICK ? Note : we do not use FreeRTOS Thank you for the answer, Daviden-USTelligent Community 13Mon, 06 Apr 2020 08:03:35 GMThttps://devzone.nordicsemi.com/thread/243561?ContentTypeID=1Mon, 06 Apr 2020 08:03:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:156a6bac-d4ce-43ed-badf-ddd9e9d26c23david92<p>Hello,<br />Thank you for the answer :)<br />We know now what we can use :)<br />David</p> <p></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/243355?ContentTypeID=1Fri, 03 Apr 2020 09:45:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7518ce51-a089-4ffb-9216-a6c0c4cf6be7Turbo J<p>Softdevice uses the RTC0 exclusively, including its tasks and events.</p> <p>Systick is not used by SD, available to the app but STOPPED when sleeping. I actually use this to measure CPU core usage. ;-)</p><div style="clear:both;"></div>