https://devzone.nordicsemi.com/f/nordic-q-a/87673/nrf5340-spim4Hi Team If I use the SPIM4 only in 8M bps mode. Can I use the PSEL register to select the IO instead of using the dedicated pins P0.08-P0.12? Thank you. Regards Victoren-USTelligent Community 13Mon, 09 May 2022 12:40:16 GMThttps://devzone.nordicsemi.com/thread/366935?ContentTypeID=1Mon, 09 May 2022 12:40:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ff7aa879-192e-43c8-83a9-509a92d0e3c9Amanda Hsieh<p>Hi Victor,&nbsp;</p> <p>According to<span>&nbsp;</span><a title="https://infocenter.nordicsemi.com/topic/ps_nrf5340/chapters/pin.html?cp=3_0_0_8_0" href="https://infocenter.nordicsemi.com/topic/ps_nrf5340/chapters/pin.html?cp=3_0_0_8_0" rel="noopener noreferrer" target="_blank">Pin assignments</a>:</p> <ul> <li><em>SPIM4 - For the 32 Mbps SPI mode, the special purpose GPIO pins are enabled using the Peripheral option of the PIN_CNF[p].MCUSEL register. When activated, the SPIM PSEL settings are ignored, and the dedicated pins are used. The GPIO must use the high drive H0H1 configuration in the DRIVE field of the PIN_CNF GPIO register.</em></li> </ul> <p><span>So, the answer is Yes, that should be fine as long as it is not set to 32M.&nbsp;</span></p> <p><span>Regards,<br />Amanda</span></p><div style="clear:both;"></div>