topic How to setup a UART loopback mode in a S32K144 in S32 Design Studio https://community.nxp.com/t5/S32-Design-Studio/How-to-setup-a-UART-loopback-mode-in-a-S32K144/m-p/1067359#M6397 <HTML><HEAD></HEAD><BODY><P>I have trying to make a Power on built in test for UART with loopback to test the working condition of UART but its not working but normal UART condition is working. please suggest how to set up the UART loopback setup.</P></BODY></HTML> Sun, 07 Jun 2020 14:50:35 GMT sandeepsandeepk 2020-06-07T14:50:35Z How to setup a UART loopback mode in a S32K144 https://community.nxp.com/t5/S32-Design-Studio/How-to-setup-a-UART-loopback-mode-in-a-S32K144/m-p/1067359#M6397 <HTML><HEAD></HEAD><BODY><P>I have trying to make a Power on built in test for UART with loopback to test the working condition of UART but its not working but normal UART condition is working. please suggest how to set up the UART loopback setup.</P></BODY></HTML> Sun, 07 Jun 2020 14:50:35 GMT https://community.nxp.com/t5/S32-Design-Studio/How-to-setup-a-UART-loopback-mode-in-a-S32K144/m-p/1067359#M6397 sandeepsandeepk 2020-06-07T14:50:35Z Re: How to setup a UART loopback mode in a S32K144 https://community.nxp.com/t5/S32-Design-Studio/How-to-setup-a-UART-loopback-mode-in-a-S32K144/m-p/1067360#M6398 <HTML><HEAD></HEAD><BODY><P>Hi Sandeep,</P><P></P><P>only two bits need to be configured (on top of normal configuration): CTRL[LOOPS] and CTRL[RSRC]:</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/112302i7035E8CA5E9E9E9D/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span> </P><P>Regards,</P><P>Lukas</P></BODY></HTML> Tue, 09 Jun 2020 09:09:06 GMT https://community.nxp.com/t5/S32-Design-Studio/How-to-setup-a-UART-loopback-mode-in-a-S32K144/m-p/1067360#M6398 lukaszadrapa 2020-06-09T09:09:06Z