https://devzone.nordicsemi.com/f/nordic-q-a/119986/nrf52085-reference-schematic-layout-file-sharing-design-guide-for-dec-pinHi, As title, please help to share the required information for nRF52085 pre-design evaluation, thank you. 1. Reference schematic &amp; layout file &amp; guidance. 2. Design guide for DEC pin(DEC2, DEC4), what&#39;s the critical factor that we need to followen-USTelligent Community 13Thu, 20 Mar 2025 14:55:13 GMThttps://devzone.nordicsemi.com/thread/528261?ContentTypeID=1Thu, 20 Mar 2025 14:55:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:28bf6c3a-560d-4edc-90e9-7454531402a3mathiaso<p>Hi, Louis.</p> <p>Here are some pages and documents that should help you with your nRF52805 design:</p> <ul> <li><a href="https://docs.nordicsemi.com/bundle/ps_nrf52805/page/ref_circuitry.html">nRF52805 reference circuitry</a></li> <li><a href="https://www.nordicsemi.com/Products/nRF52805/Download?lang=en#infotabs">nRF52805 reference layout</a></li> <li><a href="https://devzone.nordicsemi.com/guides/hardware-design-test-and-measuring/b/nrf5x/posts/general-pcb-design-guidelines-for-nrf52-series">General PCB design guidelines for the nRF52 series</a></li> <li><a href="https://devzone.nordicsemi.com/guides/hardware-design-test-and-measuring/b/nrf5x/posts/nrf52805-specific-pcb-guidelines">nRF52805 Specific PCB Guidelines</a></li> </ul> <p>This should also show what to do regarding DEC2 and DEC4.</p> <p>Best regards,<br />Mathias</p><div style="clear:both;"></div>