https://community.nxp.com/t5/S32K/S32K358-Not-Receiving-UART-RX-Data/m-p/2408170#M60658 <P>I am trying to test uart communication on FRDM A S32K358 board. Used the UART6 tx and rx in this in trasmission i can see data on tera term as expected also on debugger seeing&nbsp;Lpuart_Uart_Ip_SyncSend api status is successful. But when i am trying to do for&nbsp; receiver uart6rx pin it&nbsp;Lpuart_Uart_Ip_SyncReceive(UART_LPUART_INTERNAL_CHANNEL, rxData, 1, 10000) got response timeout.&nbsp; &nbsp; &nbsp;</P><P>So i checked with different uart like Uart3 in that case also same behaviour then i tried to configure PTD3 &amp; PTD2 acts as gpio and try to set both pin in that case PTD3 is not set (not change any behavior) but PTD2 set to 1.&nbsp;</P><P>Please suggest how i can check rx data i am trying to do hardware loopback on pin. as i am dont have logic analyzer.</P><P>Thanks in advance!</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Ankita_0-1787651884647.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/395302iC99234D98C93AD62/image-size/medium?v=v2&amp;px=400" alt="Ankita_0-1787651884647.png" title="Ankita_0-1787651884647.png" /></span></P><P>&nbsp;</P> Tue, 25 Aug 2026 09:58:13 GMT Ankita 2026-08-25T09:58:13Z https://community.nxp.com/t5/S32K/S32K358-Not-Receiving-UART-RX-Data/m-p/2408170#M60658 <P>I am trying to test uart communication on FRDM A S32K358 board. Used the UART6 tx and rx in this in trasmission i can see data on tera term as expected also on debugger seeing&nbsp;Lpuart_Uart_Ip_SyncSend api status is successful. But when i am trying to do for&nbsp; receiver uart6rx pin it&nbsp;Lpuart_Uart_Ip_SyncReceive(UART_LPUART_INTERNAL_CHANNEL, rxData, 1, 10000) got response timeout.&nbsp; &nbsp; &nbsp;</P><P>So i checked with different uart like Uart3 in that case also same behaviour then i tried to configure PTD3 &amp; PTD2 acts as gpio and try to set both pin in that case PTD3 is not set (not change any behavior) but PTD2 set to 1.&nbsp;</P><P>Please suggest how i can check rx data i am trying to do hardware loopback on pin. as i am dont have logic analyzer.</P><P>Thanks in advance!</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Ankita_0-1787651884647.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/395302iC99234D98C93AD62/image-size/medium?v=v2&amp;px=400" alt="Ankita_0-1787651884647.png" title="Ankita_0-1787651884647.png" /></span></P><P>&nbsp;</P> Tue, 25 Aug 2026 09:58:13 GMT https://community.nxp.com/t5/S32K/S32K358-Not-Receiving-UART-RX-Data/m-p/2408170#M60658 Ankita 2026-08-25T09:58:13Z