topic i.MX8 MP UART Mapping in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1699547#M210335 <P>The UM is confusing wrt UART mapping.&nbsp;<BR />I've used the pin mapping tool.<BR />Does this look correct.&nbsp;</P><TABLE width="283"><TBODY><TR><TD width="67">&nbsp;</TD><TD width="67"><P>Ball</P></TD><TD width="75"><P>FUNCTION</P></TD><TD width="75"><P>WRT i.MX8</P></TD></TR><TR><TD width="67"><P><STRONG>UART1</STRONG></P></TD><TD width="67"><P>AD6</P></TD><TD width="75"><P>RX</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ3</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ17</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67">&nbsp;</TD><TD width="75">&nbsp;</TD><TD width="75">&nbsp;</TD></TR><TR><TD width="67"><P><STRONG>UART2</STRONG></P></TD><TD width="67"><P>AF6</P></TD><TD width="75"><P>RXD</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AH4</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AF18</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ18</P></TD><TD width="75"><P>CTS</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67">&nbsp;</TD><TD width="75">&nbsp;</TD><TD width="75">&nbsp;</TD></TR><TR><TD width="67"><P><STRONG>UART3</STRONG></P></TD><TD width="67"><P>N25</P></TD><TD width="75"><P>RX</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>L26</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AE20</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67">&nbsp;</TD><TD width="75">&nbsp;</TD><TD width="75">&nbsp;</TD></TR><TR><TD width="67"><P><STRONG>UART4</STRONG></P></TD><TD width="67"><P>AH21</P></TD><TD width="75"><P>RX</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ21</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ22</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AH20</P></TD><TD width="75"><P>CTS</P></TD><TD width="75"><P>input</P></TD></TR></TBODY></TABLE><P><BR />Thanks,<BR />Barrie</P> Fri, 04 Aug 2023 18:03:45 GMT Barriem1 2023-08-04T18:03:45Z i.MX8 MP UART Mapping https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1699547#M210335 <P>The UM is confusing wrt UART mapping.&nbsp;<BR />I've used the pin mapping tool.<BR />Does this look correct.&nbsp;</P><TABLE width="283"><TBODY><TR><TD width="67">&nbsp;</TD><TD width="67"><P>Ball</P></TD><TD width="75"><P>FUNCTION</P></TD><TD width="75"><P>WRT i.MX8</P></TD></TR><TR><TD width="67"><P><STRONG>UART1</STRONG></P></TD><TD width="67"><P>AD6</P></TD><TD width="75"><P>RX</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ3</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ17</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67">&nbsp;</TD><TD width="75">&nbsp;</TD><TD width="75">&nbsp;</TD></TR><TR><TD width="67"><P><STRONG>UART2</STRONG></P></TD><TD width="67"><P>AF6</P></TD><TD width="75"><P>RXD</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AH4</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AF18</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ18</P></TD><TD width="75"><P>CTS</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67">&nbsp;</TD><TD width="75">&nbsp;</TD><TD width="75">&nbsp;</TD></TR><TR><TD width="67"><P><STRONG>UART3</STRONG></P></TD><TD width="67"><P>N25</P></TD><TD width="75"><P>RX</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>L26</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AE20</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67">&nbsp;</TD><TD width="75">&nbsp;</TD><TD width="75">&nbsp;</TD></TR><TR><TD width="67"><P><STRONG>UART4</STRONG></P></TD><TD width="67"><P>AH21</P></TD><TD width="75"><P>RX</P></TD><TD width="75"><P>input</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ21</P></TD><TD width="75"><P>TX</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AJ22</P></TD><TD width="75"><P>RTS</P></TD><TD width="75"><P>output</P></TD></TR><TR><TD width="67">&nbsp;</TD><TD width="67"><P>AH20</P></TD><TD width="75"><P>CTS</P></TD><TD width="75"><P>input</P></TD></TR></TBODY></TABLE><P><BR />Thanks,<BR />Barrie</P> Fri, 04 Aug 2023 18:03:45 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1699547#M210335 Barriem1 2023-08-04T18:03:45Z Re: i.MX8 MP UART Mapping https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1700319#M210412 <P>Hi,</P> <P>Thank you for your interest in NXP Semiconductor products,</P> <P>I've configured a project myself and your pinmux doesn't have any conflicts, registers modified match with the reference manual, you can proceed.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="josephlinares_0-1691421451738.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235359iBDA2DF9A0B76EA8E/image-size/medium?v=v2&amp;px=400" role="button" title="josephlinares_0-1691421451738.png" alt="josephlinares_0-1691421451738.png" /></span></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="josephlinares_1-1691421459385.png" style="width: 368px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/235360i43E372BF27052221/image-dimensions/368x461?v=v2" width="368" height="461" role="button" title="josephlinares_1-1691421459385.png" alt="josephlinares_1-1691421459385.png" /></span></P> <P>Regards</P> Mon, 07 Aug 2023 15:18:21 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1700319#M210412 JosephAtNXP 2023-08-07T15:18:21Z Re: i.MX8 MP UART Mapping https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1704233#M210724 <P>Thanks</P> Mon, 14 Aug 2023 09:06:23 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX8-MP-UART-Mapping/m-p/1704233#M210724 Barriem1 2023-08-14T09:06:23Z