https://devzone.nordicsemi.com/f/nordic-q-a/123596/gpio-p0-01-on-nrf54l15-doesn-t-workHi. I made a board with nRF54L15. I would like to use P0.01 on nRF54L15 as GPIO output., but I failed to confirm P0.01 turn high. Then, I asked nordic AI anything to solve this problem. AI recommended to add below in prj.conf, because nRF54L15DK useen-USTelligent Community 13Mon, 08 Sep 2025 02:04:32 GMThttps://devzone.nordicsemi.com/thread/548005?ContentTypeID=1Mon, 08 Sep 2025 02:04:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8e2ca131-0cfb-4ef7-86ae-e7de7af12ab7shibuta<p>Hi, Ressa<br />According to your kindly answer, I solved this.<br />Thanks a lot.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/545243?ContentTypeID=1Mon, 11 Aug 2025 14:23:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96a55e8a-c524-47b1-90bc-ec572643b61fRessa<p>Hi Arata,<br /><br />I just tried on Blinky example on nRF54L15-DK with the suggestion and it is working fine. I am able to toggle P1.01 pin after modifying the prj.conf file&nbsp;and adding &quot;CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y&quot; to it.&nbsp;And then just modified the main.c file by adding these parts to it (codes next to vertical green lines):<br /><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1754922162327v1.png" alt=" " /></p> <p><br /><br /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/545106?ContentTypeID=1Sun, 10 Aug 2025 15:03:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50d8f8ed-b71f-4e5d-959b-601da5d3fe5ehmolesworth<p>XTAL is on the <span>P1.00 and P1.01</span> pins on the nRF54L15</p> <p>Might be helpful:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/119275/nrf54l15-dk-use-p1-00-and-p1-01-deactivate-xl1-and-xl2">nrf54l15-dk-use-p1-00-and-p1-01-deactivate-xl1-and-xl2</a></p> <p>Note the discussion on P0.00/P0.01 vs P1.00/P1.01</p><div style="clear:both;"></div>