https://devzone.nordicsemi.com/f/nordic-q-a/57343/how-to-use-uare-of-nrf52840-nrf52840-dkI am having trouble because TX / RX processing using UARTE cannot be performed. nrf52840 DK &lt;---------&gt; PC The operation of TX / RX can be confirmed with UART. (Interrupts can be fetched) But I can&#39;t do TX / RX with UARTE (Easy DMA). I willen-USTelligent Community 13Tue, 04 Feb 2020 13:30:19 GMThttps://devzone.nordicsemi.com/thread/232578?ContentTypeID=1Tue, 04 Feb 2020 13:30:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ce451bc3-b22f-40f9-82e6-c8666ada7090Simonr<p>Hi</p> <p>Please check out the UART library where a code snippet showing you how to configure both UART and UARTE in runtime, and should have info on how this is done.&nbsp;You have to define that the UART supports&nbsp;<strong>and&nbsp;</strong>uses EasyDMA in your configuration file.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>