https://devzone.nordicsemi.com/f/nordic-q-a/71622/nrf52840-soft-reset-ram-retentionI am working on putting my NRF52840 to sleep with the RTC running (System ON WFE, not System Off). According to the datasheet, I should be able to call a soft reset and keep my RTC count variable in RAM. However, when debugging this, my RAM rtc counten-USTelligent Community 13Mon, 15 Feb 2021 18:33:17 GMThttps://devzone.nordicsemi.com/thread/294471?ContentTypeID=1Mon, 15 Feb 2021 18:33:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:063e0b3d-2a26-4d0a-81b5-af823f280ceeLukeC<p>This worked, I just needed to define my variable in the non_init section</p> <p><pre class="ui-code" data-mode="text">static uint32_t m_time __attribute__((section(&quot;.non_init&quot;)));</pre></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/294364?ContentTypeID=1Mon, 15 Feb 2021 12:20:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2cc50f02-1890-41b9-85cb-478fc840e2f1Sigurd<p><span>Hi,</span></p> <p><span>Typically, variables in RAM&nbsp;gets zero initialized during the reset sequence. If they are placed in the&nbsp;.non_init section they will not get&nbsp;zero initialized. You might find&nbsp;</span><a href="https://devzone.nordicsemi.com/f/nordic-q-a/48919/ram-retention-settings-with-softdevice-enabled/194367#194367">this post</a><span>&nbsp;useful.</span></p><div style="clear:both;"></div>