https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2028839#M233039 <P>I am help confirm it, when I finshed it I will share to you as soon as possible.</P> Thu, 16 Jan 2025 08:23:14 GMT Rita_Wang 2025-01-16T08:23:14Z https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2023589#M232749 <P>Hi Team,</P><P>Regarding the iMX8MN specifications, only typical and maximum values are provided, but there is no minimum value given.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="justin_hsieh_3-1736301936490.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/318464i21FD5B65A313B0A1/image-size/medium?v=v2&amp;px=400" role="button" title="justin_hsieh_3-1736301936490.png" alt="justin_hsieh_3-1736301936490.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">justin_hsieh_3-1736301936490.png</span></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="justin_hsieh_2-1736301882596.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/318463iE939C5DF5160F76B/image-size/medium?v=v2&amp;px=400" role="button" title="justin_hsieh_2-1736301882596.png" alt="justin_hsieh_2-1736301882596.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">justin_hsieh_2-1736301882596.png</span></span></P><P>Our PA team believes that a minimum value should be a positive number even if not specified in the specifications.</P><P>The measurement result in our device is -9.54ms, and we have verified the timing on the iMX8MNANOD3L EVK, obtaining a similar value.</P><P>Can we bypass this issue?</P><P>&nbsp;</P><P>Our device</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="justin_hsieh_1-1736301839692.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/318462iF9B6AF7F715CB9C0/image-size/medium?v=v2&amp;px=400" role="button" title="justin_hsieh_1-1736301839692.png" alt="justin_hsieh_1-1736301839692.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">justin_hsieh_1-1736301839692.png</span></span></P><P>iMX8MNANOD3L EVK</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="justin_hsieh_0-1736301800254.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/318461i20ADF28FA0EDBE9D/image-size/medium?v=v2&amp;px=400" role="button" title="justin_hsieh_0-1736301800254.png" alt="justin_hsieh_0-1736301800254.png" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">justin_hsieh_0-1736301800254.png</span></span></P><P>Please advise.</P> Wed, 08 Jan 2025 02:07:51 GMT https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2023589#M232749 justin_hsieh 2025-01-08T02:07:51Z https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2028839#M233039 <P>I am help confirm it, when I finshed it I will share to you as soon as possible.</P> Thu, 16 Jan 2025 08:23:14 GMT https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2028839#M233039 Rita_Wang 2025-01-16T08:23:14Z https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2030227#M233107 <P><SPAN>The minimum value for T3 is not defined means 32K_RTC_XTALI can be earlier than RTC_RESET_B. The test result is just fine.</SPAN></P> Mon, 20 Jan 2025 02:46:32 GMT https://community.nxp.com/t5/i-MX-Processors/iMX8MN-Power-On-Sequence-issue/m-p/2030227#M233107 Rita_Wang 2025-01-20T02:46:32Z