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    <title>i.MX Processors中的主题 Re: NXP IMX8MM Custom Board not Booting up</title>
    <link>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1448203#M189618</link>
    <description>&lt;P&gt;FYI. &lt;A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8M-Family-DDR-Tool-Release/ta-p/1104467" target="_blank"&gt;https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8M-Family-DDR-Tool-Release/ta-p/1104467&lt;/A&gt;&lt;/P&gt;</description>
    <pubDate>Sun, 24 Apr 2022 17:01:47 GMT</pubDate>
    <dc:creator>jimmychan</dc:creator>
    <dc:date>2022-04-24T17:01:47Z</dc:date>
    <item>
      <title>NXP IMX8MM Custom Board not Booting up</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1439517#M189003</link>
      <description>&lt;P&gt;Hi Team,&lt;/P&gt;&lt;P&gt;We have design our custom board with IMX8MM SoC and below are the variations from EVK.&lt;/P&gt;&lt;TABLE width="317"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD width="114px"&gt;&lt;P&gt;&lt;STRONG&gt;Peripheral Name&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;TD width="103px"&gt;&lt;P&gt;&lt;STRONG&gt;EVK&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;TD width="99px"&gt;&lt;P&gt;&lt;STRONG&gt;Custom board&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD width="114px"&gt;&lt;P&gt;Console UART&lt;/P&gt;&lt;/TD&gt;&lt;TD width="103px"&gt;&lt;P&gt;UART2&lt;/P&gt;&lt;/TD&gt;&lt;TD width="99px"&gt;&lt;P&gt;UART4&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD width="114px"&gt;&lt;P&gt;USB&lt;/P&gt;&lt;/TD&gt;&lt;TD width="103px"&gt;&lt;P&gt;3.0 Type-C&lt;/P&gt;&lt;/TD&gt;&lt;TD width="99px"&gt;&lt;P&gt;2.0 USB Type-B&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD width="114px"&gt;&lt;P&gt;PMIC&lt;/P&gt;&lt;/TD&gt;&lt;TD width="103px"&gt;&lt;P&gt;PCA9450A&lt;/P&gt;&lt;/TD&gt;&lt;TD width="99px"&gt;&lt;P&gt;PCA9450A&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD width="114px"&gt;&lt;P&gt;DDR&lt;/P&gt;&lt;/TD&gt;&lt;TD width="103px"&gt;&lt;P&gt;LPDDR4 - 2GB&lt;/P&gt;&lt;/TD&gt;&lt;TD width="99px"&gt;&lt;P&gt;DDR4 - 4GB&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD width="114px"&gt;&lt;P&gt;eMMC&lt;/P&gt;&lt;/TD&gt;&lt;TD width="103px"&gt;&lt;P&gt;16GB&lt;/P&gt;&lt;/TD&gt;&lt;TD width="99px"&gt;&lt;P&gt;8GB&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;we have verified all power rail voltages from PMIC and external power supply and all are Ok.&lt;/P&gt;&lt;P&gt;And there is no response either from USB and UART.&lt;/P&gt;&lt;P&gt;Queries.&lt;/P&gt;&lt;P&gt;1. Do we have any procedure to follow for first time flashing other than UUU.&lt;/P&gt;&lt;P&gt;2. any other way to debug the current state board. since there USB/UART is not working&lt;/P&gt;&lt;P&gt;3. Tried booting from SD Card, but didn't see any booting.&lt;/P&gt;&lt;P&gt;4. what would be the state of IMX8MM SoC after fabricating into the board.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;Raghavendra&lt;/P&gt;</description>
      <pubDate>Wed, 06 Apr 2022 08:12:19 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1439517#M189003</guid>
      <dc:creator>Raghavendra</dc:creator>
      <dc:date>2022-04-06T08:12:19Z</dc:date>
    </item>
    <item>
      <title>Re: NXP IMX8MM Custom Board not Booting up</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1448203#M189618</link>
      <description>&lt;P&gt;FYI. &lt;A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8M-Family-DDR-Tool-Release/ta-p/1104467" target="_blank"&gt;https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8M-Family-DDR-Tool-Release/ta-p/1104467&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Sun, 24 Apr 2022 17:01:47 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1448203#M189618</guid>
      <dc:creator>jimmychan</dc:creator>
      <dc:date>2022-04-24T17:01:47Z</dc:date>
    </item>
    <item>
      <title>Re: NXP IMX8MM Custom Board not Booting up</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1448204#M189619</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;we have fixed this issue.&lt;/P&gt;&lt;P&gt;Thanks for your response.&lt;/P&gt;</description>
      <pubDate>Sun, 24 Apr 2022 17:15:11 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/NXP-IMX8MM-Custom-Board-not-Booting-up/m-p/1448204#M189619</guid>
      <dc:creator>Raghavendra</dc:creator>
      <dc:date>2022-04-24T17:15:11Z</dc:date>
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