https://devzone.nordicsemi.com/f/nordic-q-a/124862/spi00-configuration-on-nrf54l15-dkHello, I am trying to adapt the &quot;Interfacing with a sensor over SPI&quot; example from the nRF Connect SDK Intermediate Dev Academy course in Lesson 5. When I run the code as configured with spi21, the code runs as expected. However, when I try to switchen-USTelligent Community 13Fri, 10 Oct 2025 08:43:49 GMThttps://devzone.nordicsemi.com/thread/551088?ContentTypeID=1Fri, 10 Oct 2025 08:43:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1d3d3fd3-ad41-43d0-9568-2ae536049ba2Vidar Berg<p>Hello,</p> <p>The error is that nrfx_spim.c-&gt;nrfx_spim_init() returns with&nbsp;NRFX_ERROR_INVALID_PARAM, but I don&#39;t see why this would happen with&nbsp;<span>spi00&nbsp;but not&nbsp;spi21. Are you able to step through this function with your debugger to see where the error was raised. I do not see any issues&nbsp;with the devicetree configruation you posted.</span></p> <p><span>Best regads,</span></p> <p><span>Vidar</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/550963?ContentTypeID=1Thu, 09 Oct 2025 05:50:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f36c051c-9422-48ba-bbd6-d19dd39698d1Ingfu<p>Those pins are connected to the Flash-Memory on the DK. You need to disconnect them before using for something else.</p> <p><a href="https://devzone.nordicsemi.com/f/nordic-q-a/124482/how-to-configure-spi-pins-on-nrf54l15">devzone.nordicsemi.com/.../how-to-configure-spi-pins-on-nrf54l15</a></p><div style="clear:both;"></div>