https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1521211#M195073 <P>Hi i.MX Champ</P><P>My customer asked about GPIO with the following conditions.</P><P>Please check whan GPIO can be best choice to meet the condition below.</P><P>&nbsp;</P><P>Pin : GPIO5_IO18, GPIO1_IO7, GPIO3_IO1</P><P>Condition :&nbsp;</P><P><SPAN>- To assign GPIO for Reset of Other Devices</SPAN><BR /><SPAN>- GPIO remains in a stable Pull-Up state even when i.MX 8MM is initialized or restarted.</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArrowElectronics_0-1663066733823.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193456i1C11C5287799CFFB/image-size/medium?v=v2&amp;px=400" role="button" title="ArrowElectronics_0-1663066733823.png" alt="ArrowElectronics_0-1663066733823.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArrowElectronics_1-1663066768315.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193457iF365F591A98CB58D/image-size/medium?v=v2&amp;px=400" role="button" title="ArrowElectronics_1-1663066768315.png" alt="ArrowElectronics_1-1663066768315.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArrowElectronics_2-1663066799397.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193458i7B8D005CF73C86D6/image-size/medium?v=v2&amp;px=400" role="button" title="ArrowElectronics_2-1663066799397.png" alt="ArrowElectronics_2-1663066799397.png" /></span></P><P>Please let us know what pin can be the best option to avoid glitch or unknown state during reset.</P><P><SPAN>Thanks.</SPAN></P><P><SPAN>Regards,&nbsp;</SPAN></P><P><SPAN>Arrow</SPAN></P> Mon, 19 Sep 2022 12:40:09 GMT JK-IMX 2022-09-19T12:40:09Z https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1521211#M195073 <P>Hi i.MX Champ</P><P>My customer asked about GPIO with the following conditions.</P><P>Please check whan GPIO can be best choice to meet the condition below.</P><P>&nbsp;</P><P>Pin : GPIO5_IO18, GPIO1_IO7, GPIO3_IO1</P><P>Condition :&nbsp;</P><P><SPAN>- To assign GPIO for Reset of Other Devices</SPAN><BR /><SPAN>- GPIO remains in a stable Pull-Up state even when i.MX 8MM is initialized or restarted.</SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArrowElectronics_0-1663066733823.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193456i1C11C5287799CFFB/image-size/medium?v=v2&amp;px=400" role="button" title="ArrowElectronics_0-1663066733823.png" alt="ArrowElectronics_0-1663066733823.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArrowElectronics_1-1663066768315.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193457iF365F591A98CB58D/image-size/medium?v=v2&amp;px=400" role="button" title="ArrowElectronics_1-1663066768315.png" alt="ArrowElectronics_1-1663066768315.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ArrowElectronics_2-1663066799397.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/193458i7B8D005CF73C86D6/image-size/medium?v=v2&amp;px=400" role="button" title="ArrowElectronics_2-1663066799397.png" alt="ArrowElectronics_2-1663066799397.png" /></span></P><P>Please let us know what pin can be the best option to avoid glitch or unknown state during reset.</P><P><SPAN>Thanks.</SPAN></P><P><SPAN>Regards,&nbsp;</SPAN></P><P><SPAN>Arrow</SPAN></P> Mon, 19 Sep 2022 12:40:09 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1521211#M195073 JK-IMX 2022-09-19T12:40:09Z https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1525539#M195412 <P>The NVCC_xxx will be pull down during reset.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Qmiller_0-1663739591801.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/194438i283A733F655D9625/image-size/medium?v=v2&amp;px=400" role="button" title="Qmiller_0-1663739591801.png" alt="Qmiller_0-1663739591801.png" /></span></P> <P>&nbsp;</P> Wed, 21 Sep 2022 05:56:57 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1525539#M195412 Zhiming_Liu 2022-09-21T05:56:57Z https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1525797#M195444 <P>Hi Qmiller</P><P>Thanks for your kind answer.</P><P>Regards,&nbsp;</P><P>James</P> Wed, 21 Sep 2022 10:29:40 GMT https://community.nxp.com/t5/i-MX-Processors/GPIO-Recommendation/m-p/1525797#M195444 JK-IMX 2022-09-21T10:29:40Z