Qspi read issue in the costume Board BT40https://devzone.nordicsemi.com/f/nordic-q-a/118090/qspi-read-issue-in-the-costume-board-bt40if you see over here data out line is green and prepuol color is data in line first we are sending the 9F so that it will give the manufacture id like this ef and 40 and 0x16 we are able to see in oscilloscope but through software i am not able is theen-USTelligent Community 13Fri, 17 Jan 2025 12:03:02 GMTRE: Qspi read issue in the costume Board BT40https://devzone.nordicsemi.com/thread/518833?ContentTypeID=1Fri, 17 Jan 2025 12:03:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ac30b35b-da1e-4891-8bd5-b6350cbb5d1aSimonr<p>Hi</p> <p>For QSPI, I&#39;d recommend using the <a href="https://docs.nordicsemi.com/bundle/ncs-2.8.0/page/zephyr/samples/drivers/spi_flash/README.html">JEDEC SPI-NOR flash sample in Zephyr here</a>, instead of creating a project from scratch like it seems like you&#39;ve done here. The custom instructions aren&#39;t the best use of the QSPI, as the speeds will be heavily bottle-necked.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>