https://devzone.nordicsemi.com/f/nordic-q-a/118473/nrf5280-pdm-sample-at-48khz-failsHi, I&#39;d like to sample PDM at 48kHz, I&#39;m using nRF52840 DK and nRF5 SDK. I read a post ( devzone.nordicsemi.com/.../single-pdm-microphone-at-higher-pcm-sampling-rate) long ago, and I set the PDM clock frequency as shown in the code to 3.2M, and thisen-USTelligent Community 13Tue, 04 Feb 2025 16:53:05 GMThttps://devzone.nordicsemi.com/thread/521383?ContentTypeID=1Tue, 04 Feb 2025 16:53:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1c738db2-0838-40cc-9541-6dc2104338a0GeoffAtMSU<p>Thank you!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/520728?ContentTypeID=1Thu, 30 Jan 2025 13:40:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec5a2985-98cd-410e-97d7-e5fa3cbdac69Sigurd<p>Hi!</p> <p><span>For nRF52840, anything else than 16kHz output is considered out of spec.</span></p> <p><span><a href="https://docs.nordicsemi.com/bundle/ps_nrf52840/page/pdm.html">https://docs.nordicsemi.com/bundle/ps_nrf52840/page/pdm.html</a></span></p> <p><span>From nRF52840 PDM chapter:</span></p> <p><span><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/1200.pastedimage1738244356977v2.png" alt=" " /></span></p> <p><span></span></p> <p><span>PS:&nbsp; <br />nRF54L15 have better specs for PDM.&nbsp;<a href="https://docs.nordicsemi.com/bundle/ps_nrf54L15/page/pdm.html">https://docs.nordicsemi.com/bundle/ps_nrf54L15/page/pdm.html</a></span></p> <p><span><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/6180.pastedimage1738244417431v3.png" alt=" " /></span></p> <p><span></span></p><div style="clear:both;"></div>