https://devzone.nordicsemi.com/f/nordic-q-a/91785/can-swd-pins-be-used-as-uartHi all, I think this question is generic and covers all Nordic chipsets. Anyhow, I&#39;m planning to use a nRF52810 but I don&#39;t have a board to confirm this yet. Question is: It is possible to use SWD pins as UART? Ref manual states that SWCLK canen-USTelligent Community 13Mon, 12 Sep 2022 12:53:42 GMThttps://devzone.nordicsemi.com/thread/385744?ContentTypeID=1Mon, 12 Sep 2022 12:53:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d93b39c1-e95e-4258-b3ab-7c43fad6f80aPriyanka<p>Hi Francesco,</p> <p>As <a href="https://devzone.nordicsemi.com/members/zara-wu-">Zara Wu</a>&nbsp;mentioned, the SWDCLK and SWDIO pins cannot be used for anything else and you can only use the Digital I/O pins mentioned in the Product Specification for the UART.</p> <p>Best Regards,</p> <p>Priyanka</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/385480?ContentTypeID=1Fri, 09 Sep 2022 10:13:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f37beee1-e318-4d8f-81ee-f569178cafa3Zara Wu <p>Hello ,&nbsp;</p> <p><span>Per our understanding, SWD does not support multiplexing as&nbsp;UART pin.&nbsp;</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/pastedimage1662718389845v1.png" alt=" " /></span></p> <p><span>Hope it helps.</span></p> <p><span>BR./Zara Wu&nbsp;</span></p> <p><span>&nbsp;</span></p><div style="clear:both;"></div>