https://devzone.nordicsemi.com/f/nordic-q-a/126713/spim-power-usageHi, I have a project with nRF52840 where I uses 3xSPIM. 2 are connected to a real-time-clock and accelerometer. The third is connected to an SD-card. I realized that the idle power consumption is ~1mA when the SPIM modules is not closed between communicationen-USTelligent Community 13Thu, 29 Jan 2026 06:03:29 GMThttps://devzone.nordicsemi.com/thread/559850?ContentTypeID=1Thu, 29 Jan 2026 06:03:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5a30fc09-15ab-433f-9929-09b8db76ea89Kazi Afroza Sultana<p>Hello&nbsp;Morten,&nbsp;</p> <p>This is from our documentation:</p> <p>&#39;&#39;To ensure lowest possible power consumption when the peripheral is not needed stop and disable SPIM.</p> <p>The STOP task may not be always needed (the peripheral might already be stopped), but if it is sent, software shall wait until the STOPPED event was received as a response before disabling the peripheral through the ENABLE register.&#39;&#39;</p> <p>Nordic SDK 15.3 and SoftDevice 6.1.1 seems very old.&nbsp;</p> <p>You have to rewrite the driver so that SD shuts down in between transfers when it does not need to be used. Have you ever thought of migrate to NCS?&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/559630?ContentTypeID=1Tue, 27 Jan 2026 08:10:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e3e52fd9-143c-4950-9a12-b57fdda16063mosgaard<p>I am using Nordic SDK 15.3 and SoftDevice 6.1.1</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/559625?ContentTypeID=1Tue, 27 Jan 2026 07:29:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:33d396f5-08e0-4b71-86f4-340acac7a4e7Kazi Afroza Sultana<p>Hello Morten,</p> <p>Which SDK you are using? NCS or nRF5SDK?</p><div style="clear:both;"></div>