https://devzone.nordicsemi.com/f/nordic-q-a/79508/nrf52840-power-supply-configuration-discrepancyHello, I&#39;m evaluating the nRF52840 before incorporating it in my MSc. project and would like some clarification on power supply configurations, detailed in PSv1.5 p. 589. General guidance (see picture) tells that NFC can be used in any configurationen-USTelligent Community 13Fri, 10 Sep 2021 14:00:18 GMThttps://devzone.nordicsemi.com/thread/329061?ContentTypeID=1Fri, 10 Sep 2021 14:00:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ef2287f3-c544-48af-b931-cd0160341ca1Bendik Heiskel<p>Hello,</p> <p>USB is listed as disabled in Config. 6&nbsp; to show a configuration without the USB functionality, for designs where it is not needed. This can be applied to the other configurations if USB is not needed. </p> <p>The same logic applies for NFC, it can be used in all configurations but only Config. 5 show the circuitry needed for NFC.</p> <p>&nbsp;</p> <p>Best regards,</p> <p>Bendik Heiskel</p><div style="clear:both;"></div>