https://community.nxp.com/t5/i-MX-Processors/Power-Up-Behaviour-Reset-Pin/m-p/1768355#M216816 <P>Hello, I hope you are doing well.</P> <P>Maybe this could be caused by the power-up sequence present on your SOM board, so I suggest check the PMIC. I do not have access to the documentation of your product.</P> <P>Best regards.</P> Mon, 04 Dec 2023 15:38:11 GMT JorgeCas 2023-12-04T15:38:11Z https://community.nxp.com/t5/i-MX-Processors/Power-Up-Behaviour-Reset-Pin/m-p/1768220#M216800 <DIV>Hi&nbsp;</DIV><DIV>We are using imx8mp based custom&nbsp; board.</DIV><DIV><SPAN>The resetout pin of our SOMs with Smarc 2.1 interface is defined as P126. It is expected that this pin should be low at the initial moment and later transition to high.</SPAN></DIV><DIV><SPAN>However, in our system,the board is powered the reset pin remains low.</SPAN></DIV><DIV><SPAN>What might be the reason for this, and how can we fix it?</SPAN></DIV><DIV><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screenshot from 2023-12-04 13-49-28.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/252877iE27EA3609C2B63D9/image-size/medium?v=v2&amp;px=400" role="button" title="Screenshot from 2023-12-04 13-49-28.png" alt="Screenshot from 2023-12-04 13-49-28.png" /></span><P> </P></DIV> Mon, 04 Dec 2023 10:59:46 GMT https://community.nxp.com/t5/i-MX-Processors/Power-Up-Behaviour-Reset-Pin/m-p/1768220#M216800 alaskora_byk_mstang 2023-12-04T10:59:46Z https://community.nxp.com/t5/i-MX-Processors/Power-Up-Behaviour-Reset-Pin/m-p/1768355#M216816 <P>Hello, I hope you are doing well.</P> <P>Maybe this could be caused by the power-up sequence present on your SOM board, so I suggest check the PMIC. I do not have access to the documentation of your product.</P> <P>Best regards.</P> Mon, 04 Dec 2023 15:38:11 GMT https://community.nxp.com/t5/i-MX-Processors/Power-Up-Behaviour-Reset-Pin/m-p/1768355#M216816 JorgeCas 2023-12-04T15:38:11Z