https://devzone.nordicsemi.com/f/nordic-q-a/80232/spim-problem-of-sdk15-3Hi, I think I found a BUG about SPIM SDK15.3. The following is what I set the configurations for the SPIM0: Then I use this function to active one transfer which just one byte to be handled: Then the problem will appear that the SCK will generateen-USTelligent Community 13Mon, 04 Oct 2021 13:05:33 GMThttps://devzone.nordicsemi.com/thread/332361?ContentTypeID=1Mon, 04 Oct 2021 13:05:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e3a97f86-3e93-4acc-ae51-b6503fcb843fKenneth<p>Hello,</p> <p>I assume this is the reason:<br /><a href="https://infocenter.nordicsemi.com/topic/errata_nRF52832_Rev1/ERR/nRF52832/Rev1/latest/anomaly_832_58.html">https://infocenter.nordicsemi.com/topic/errata_nRF52832_Rev1/ERR/nRF52832/Rev1/latest/anomaly_832_58.html</a></p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>