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    <title>topic Re: TWR KV58F220M : RedLed in Kinetis Microcontrollers</title>
    <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790533#M48097</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Takehiko,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; Just as you said, you still have another board which works OK, then you just use totally the same configuration both in hardware jumper and the on board debugger with your working board, if the problem board still can't work, then we can consider this problem board may really be damaged, that's why I check where you get the board.&lt;/P&gt;&lt;P&gt;&amp;nbsp; Please also help to check your two board backside, whether these two board are the same version or not?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Kerry&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Wed, 19 Dec 2018 02:08:45 GMT</pubDate>
    <dc:creator>kerryzhou</dc:creator>
    <dc:date>2018-12-19T02:08:45Z</dc:date>
    <item>
      <title>TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790519#M48083</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;When connecting the host PC and TWR-KV58F220M , the red LED near J25 will light up.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;The same thing happens even if&amp;nbsp;I connect again.&lt;/SPAN&gt;&lt;BR /&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;I can not write software using Mbed.&lt;SPAN&gt;&lt;BR /&gt;&lt;SPAN title=""&gt;Please tell me how to solve it.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 12 Dec 2018 07:31:08 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790519#M48083</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-12T07:31:08Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790520#M48084</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Would you please show me if the MBED is well installed in Device Manager?&lt;BR /&gt;The default bootloader and CMSIS-DAP firmware application can be found in &lt;A href="https://www.nxp.com/webapp/Download?colCode=TWR-KV58F220M-QSG"&gt;TWR-KV58F220M-QSG&lt;/A&gt;.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="TWR-KV58F220M-QSG.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70084i11832B0ADD49E999/image-size/large?v=v2&amp;amp;px=999" role="button" title="TWR-KV58F220M-QSG.png" alt="TWR-KV58F220M-QSG.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Please tell me:&lt;BR /&gt;Host PC is Win7 or Win10?&lt;BR /&gt;What IDE are you using? &lt;A href="https://www.nxp.com/support/developer-resources/software-development-tools/mcuxpresso-software-and-tools/mcuxpresso-integrated-development-environment-ide:MCUXpresso-IDE"&gt;MCUXpresso IDE&lt;/A&gt; or IAR or Keil MDK&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;The RED lED shown the state of &lt;SPAN style="color: #ff00ff;"&gt;RESET_B&lt;/SPAN&gt;.&lt;BR /&gt;You can check if the low voltage is caused by &lt;SPAN style="color: #339966;"&gt;SDA_RST_TGTMCU_R&lt;/SPAN&gt; or MCU itself.(After cut the trace on ON BOTTOM LAYER, measure the voltage of Pin2 J18.)&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="RED LED on TWR-KV58F220M.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70128i2CEDF0E529B19E49/image-size/large?v=v2&amp;amp;px=999" role="button" title="RED LED on TWR-KV58F220M.png" alt="RED LED on TWR-KV58F220M.png" /&gt;&lt;/span&gt;&lt;BR /&gt;If the low voltage is caused by MCU itself. The &lt;STRONG&gt;Kinetis_Recovery_Utility&lt;/STRONG&gt; can be used to recovery: &lt;A href="https://mcuoneclipse.com/2013/06/16/bricking-and-recovering-frdm-kl25z-boards-reset-swd-clock-and-low-power/"&gt;Bricking and Recovering FRDM-KL25Z Boards: Reset, SWD Clock and Low Power&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Best Regards,&lt;/P&gt;&lt;P&gt;Robin&lt;/P&gt;&lt;P style="min- padding: 0px;"&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 13 Dec 2018 02:35:49 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790520#M48084</guid>
      <dc:creator>Robin_Shen</dc:creator>
      <dc:date>2018-12-13T02:35:49Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790521#M48085</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&amp;nbsp;Thank you for your reply.&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;&amp;nbsp;MBED is recognized.&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&lt;span class="lia-inline-image-display-wrapper" image-alt="Capture1.gif"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/69904iEBEE5F904726B34B/image-size/large?v=v2&amp;amp;px=999" role="button" title="Capture1.gif" alt="Capture1.gif" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;Host PC is Win7. IDE is using IAR.&lt;BR /&gt;&amp;nbsp;I cut J18 but the LED is on.&lt;BR /&gt;&amp;nbsp;So I think that the MCU itself is bad.&lt;BR /&gt;&amp;nbsp;I have only I-Jet, so I could not use the P&amp;amp;E tool.&lt;BR /&gt;&amp;nbsp;I am looking for a similar tool in IAR, but I have not found it yet.&lt;BR /&gt;&amp;nbsp;Do you have any good advice?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 13 Dec 2018 05:13:31 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790521#M48085</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-13T05:13:31Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790522#M48086</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Ok. Please connect J18.&lt;BR /&gt;And try to: Change the reset method to Software.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="testp.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/69736i9B3F9BE7766BBF8D/image-size/large?v=v2&amp;amp;px=999" role="button" title="testp.png" alt="testp.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Additionally the J13 JTAG port can be used to program with your I-Jet.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="J13 TWR-KV58.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/69878i2B37E9B87C34DF17/image-size/large?v=v2&amp;amp;px=999" role="button" title="J13 TWR-KV58.png" alt="J13 TWR-KV58.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Best Regards,&lt;/P&gt;&lt;P&gt;Robin&lt;/P&gt;&lt;P style="min- padding: 0px;"&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 13 Dec 2018 07:38:25 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790522#M48086</guid>
      <dc:creator>Robin_Shen</dc:creator>
      <dc:date>2018-12-13T07:38:25Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790523#M48087</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you for your reply.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;J18 connected, and &lt;SPAN&gt;&lt;SPAN title=""&gt;J17 shorted.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;P&gt;I only have I-Jet.&lt;/P&gt;&lt;P&gt;I did it with the following settings.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="cap1.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70557iD0227D86978B01B4/image-size/large?v=v2&amp;amp;px=999" role="button" title="cap1.png" alt="cap1.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="cap2.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70598iAD6AF0C6B23230FA/image-size/large?v=v2&amp;amp;px=999" role="button" title="cap2.png" alt="cap2.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;After pressing the "Download and debug" button, the following error log was output.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="cap3.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70642i679CC3EE03270D50/image-size/large?v=v2&amp;amp;px=999" role="button" title="cap3.png" alt="cap3.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Please tell me how to solve it.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 13 Dec 2018 08:37:20 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790523#M48087</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-13T08:37:20Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790524#M48088</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;&lt;SPAN style="text-decoration: underline;"&gt;&lt;EM&gt;CPU Status - No power supply&lt;/EM&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;Please check the voltage of VDD_MCU(J21 and J23 should be default)&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="VDD_MCU J21.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70046i5661569AC44F8D58/image-size/large?v=v2&amp;amp;px=999" role="button" title="VDD_MCU J21.png" alt="VDD_MCU J21.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN style="text-decoration: underline;"&gt;&lt;EM&gt;I only have I-Jet.&lt;/EM&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;You can &lt;A href="https://www.nxp.com/support/developer-resources/run-time-software/kinetis-developer-resources/ides-for-kinetis-mcus/opensda-serial-and-debug-adapter:OPENSDA#TWR-KV58F220M"&gt;reprogram OpenSDA adapter&lt;/A&gt; with some new debug, serial, MSD flash-programming application.(For example: P&amp;amp;E Micro firmware)&lt;/P&gt;&lt;P&gt;Then the &lt;STRONG&gt;Kinetis_Recovery_Utility&lt;/STRONG&gt; can be used.&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="PE Micro.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70139i6B4C7FD3B4A44450/image-size/large?v=v2&amp;amp;px=999" role="button" title="PE Micro.png" alt="PE Micro.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Best Regards,&lt;/P&gt;&lt;P&gt;Robin&lt;/P&gt;&lt;P style="min- padding: 0px;"&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 14 Dec 2018 02:07:59 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790524#M48088</guid>
      <dc:creator>Robin_Shen</dc:creator>
      <dc:date>2018-12-14T02:07:59Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790525#M48089</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you for your reply.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;I could connect to the screen below.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="picture1.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/69948i561A9FF4BB416F88/image-size/large?v=v2&amp;amp;px=999" role="button" title="picture1.png" alt="picture1.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;after that&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;I connected and disconnected the USB cable many times.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;In addition, J21 also pulled out and pulled out many times.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;However, no response.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;DIV&gt;&lt;P&gt;&lt;/P&gt;&lt;/DIV&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="picture2.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/69998iF8389EECE6B50998/image-size/large?v=v2&amp;amp;px=999" role="button" title="picture2.png" alt="picture2.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Please tell me how to solve it.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 14 Dec 2018 02:55:45 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790525#M48089</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-14T02:55:45Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790526#M48090</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Takehiko Katsuta,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; I take your case which is the same question as this post.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; Now, I give some comment about my opinion.&lt;/P&gt;&lt;P&gt;&amp;nbsp; D6 &lt;SPAN&gt;&lt;SPAN title=""&gt;red LED&lt;/SPAN&gt;&lt;/SPAN&gt; is on, when the KV58 MCU flash is empty, it will also be light.&lt;/P&gt;&lt;P&gt;&amp;nbsp; Now, please check these points:&lt;/P&gt;&lt;P&gt;1. Check the J21 voltage with the multimeter, whether it have 3.3V or not?&lt;/P&gt;&lt;P&gt;2. Connect J18, then change the on board debugger firmware with JLINK, please follow my way to change it.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; 1) download the JLINK driver and install it, the linker is:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;A class="link-titled" href="https://www.segger.com/downloads/jlink/JLink_Windows.exe" title="https://www.segger.com/downloads/jlink/JLink_Windows.exe"&gt;SEGGER - The Embedded Experts - Downloads&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; 2) Download the JLINK debug firmware from this link:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; &lt;A class="link-titled" href="https://www.segger.com/downloads/jlink/OpenSDA_V2_1" title="https://www.segger.com/downloads/jlink/OpenSDA_V2_1"&gt;SEGGER - The Embedded Experts - Downloads&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; 3) Power off the board,&amp;nbsp; press the reset button, and hold on it, then plug the usb cable, you will find your board is a device named as "bootloader"&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_3.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/69960i19B4CA0827E8C168/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_3.png" alt="pastedImage_3.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Then send the "OpenSDA_V2_1.bin" file to the BOOTLOADER, and wait the sending&amp;nbsp; is finished.&lt;/P&gt;&lt;P&gt;&amp;nbsp; 4) power off the board, and power on it again, then wait the install finished.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; You can find your device is the JLINK from the device Manger&lt;/P&gt;&lt;P&gt;&amp;nbsp; &lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_4.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70005i88422F2107D8585D/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_4.png" alt="pastedImage_4.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp; 5), Now use the JLINK commander to connect your board&lt;/P&gt;&lt;P&gt;&amp;nbsp; &lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_5.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70047i40ABB4A5695856FE/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_5.png" alt="pastedImage_5.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp; Now follow my instructions:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper" image-alt="pastedImage_6.png"&gt;&lt;img src="https://community.nxp.com/t5/image/serverpage/image-id/70097i9B0977BD982DF36A/image-size/large?v=v2&amp;amp;px=999" role="button" title="pastedImage_6.png" alt="pastedImage_6.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;Check it whether you can find the Cortex-M7 core or not?&lt;/P&gt;&lt;P&gt;If you can't find it, please input: unlock kinetis&lt;/P&gt;&lt;P&gt;Whether it can have the unlock OK?&lt;/P&gt;&lt;P&gt;If you still not OK, please send me your screen shoot about the JLINK commander window.&lt;/P&gt;&lt;P&gt;Please try it on your side.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Kerry&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 14 Dec 2018 08:28:36 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790526#M48090</guid>
      <dc:creator>kerryzhou</dc:creator>
      <dc:date>2018-12-14T08:28:36Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790527#M48091</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you for your reply.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I did according to the procedure. However, I think that an error has occurred.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I send you a screenshot of the error.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Please check and tell me how to solve it.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Dec 2018 00:12:58 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790527#M48091</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-17T00:12:58Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790528#M48092</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;勝田 赳彦(katsuta.takehiko) はメッセージ - "[Kinetis Microcontrollers] - Re: TWR KV58F220M : RedLed" を取り消します。&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 17 Dec 2018 00:17:11 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790528#M48092</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-17T00:17:11Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790529#M48093</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Takehiko,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; Thanks for your updated information.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp; After the communication through the case yesterday, I still recommend you buy the board from NXP official distributor:&lt;/P&gt;&lt;P&gt;&lt;A class="link-titled" href="https://www.nxp.com/support/sample-buy/distributor-network:DISTRIBUTORS" title="https://www.nxp.com/support/sample-buy/distributor-network:DISTRIBUTORS"&gt;Distributor Network|NXP&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp; Then the product quality can be guaranteed.&lt;/P&gt;&lt;P&gt;&amp;nbsp; Wish it helps you!&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Kerry&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 18 Dec 2018 03:02:17 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790529#M48093</guid>
      <dc:creator>kerryzhou</dc:creator>
      <dc:date>2018-12-18T03:02:17Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790530#M48094</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you for your reply.&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;I am asking the supplier to exchange the board.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;I understand your recommendation.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;SPAN&gt;&lt;SPAN title=""&gt;From now on, I&amp;nbsp;will buy the board from NXP official distributor.&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;DIV&gt; &lt;/DIV&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 18 Dec 2018 06:00:26 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790530#M48094</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-18T06:00:26Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790531#M48095</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi &lt;A class="jx-jive-macro-user" href="https://community.nxp.com/people/katsuta.takehiko@nichicon.com"&gt;katsuta.takehiko@nichicon.com&lt;/A&gt;‌ and &lt;A class="jx-jive-macro-user" href="https://community.nxp.com/people/kerryzhou"&gt;kerryzhou&lt;/A&gt;‌,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;If you are going to use the OpenSDA JLink application (or any other OpenSDA application for that matter), you must populate (install) jumpers J20 and J19.&amp;nbsp; From one of your pictures above, it looks like this is not the case.&amp;nbsp; This could be why the JLink instructions Kerry provided did not succeed.&amp;nbsp; Could you please try putting these jumpers on and let us know if that works?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Best regards,&lt;/P&gt;&lt;P&gt;Chris&amp;nbsp;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 18 Dec 2018 15:33:17 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790531#M48095</guid>
      <dc:creator>chris_brown</dc:creator>
      <dc:date>2018-12-18T15:33:17Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790532#M48096</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Chris Brown and Kerry Zhou&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thank you for your reply.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I populate(install) jumpers J20 and J19.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;However, I think that an error has occurred.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I send you a screenshot of the error.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Please check and tell me how to solve it.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Dec 2018 00:27:06 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790532#M48096</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-19T00:27:06Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790533#M48097</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Takehiko,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&amp;nbsp; Just as you said, you still have another board which works OK, then you just use totally the same configuration both in hardware jumper and the on board debugger with your working board, if the problem board still can't work, then we can consider this problem board may really be damaged, that's why I check where you get the board.&lt;/P&gt;&lt;P&gt;&amp;nbsp; Please also help to check your two board backside, whether these two board are the same version or not?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Kerry&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Dec 2018 02:08:45 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790533#M48097</guid>
      <dc:creator>kerryzhou</dc:creator>
      <dc:date>2018-12-19T02:08:45Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790534#M48098</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Takehiko Katsuta,&lt;/P&gt;&lt;P&gt;Thanks a lot for your understanding.&lt;/P&gt;&lt;P&gt;Only the board from the NXP official distributor, that board's quality can be guaranteed.&lt;BR /&gt;Have a great day,&lt;BR /&gt;Kerry&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Dec 2018 02:11:19 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790534#M48098</guid>
      <dc:creator>kerryzhou</dc:creator>
      <dc:date>2018-12-19T02:11:19Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790535#M48099</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;From your pictures, your chip is secured to the highest level, then you can't unlock the on board KV58 chip any more, you need to remove the board KV58 chip and solder a new KV58 chip.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Have a great day,&lt;BR /&gt;Kerry&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;-----------------------------------------------------------------------------------------------------------------------&lt;BR /&gt;Note: If this post answers your question, please click the Correct Answer button. Thank you!&lt;BR /&gt;-----------------------------------------------------------------------------------------------------------------------&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Dec 2018 02:14:48 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790535#M48099</guid>
      <dc:creator>kerryzhou</dc:creator>
      <dc:date>2018-12-19T02:14:48Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790536#M48100</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi Kerry Zhou&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thank you for your reply.&lt;/P&gt;&lt;P&gt;I confirmed the version of the two boards.&lt;/P&gt;&lt;P&gt;I think the same.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Dec 2018 02:34:58 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790536#M48100</guid>
      <dc:creator>katsuta_takehiko</dc:creator>
      <dc:date>2018-12-19T02:34:58Z</dc:date>
    </item>
    <item>
      <title>Re: TWR KV58F220M : RedLed</title>
      <link>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790537#M48101</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi &lt;A class="jx-jive-macro-user" href="https://community.nxp.com/people/katsuta.takehiko@nichicon.com"&gt;katsuta.takehiko@nichicon.com&lt;/A&gt;‌,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I agree with Kerry below. The chip appears to be fully secured (i.e., "bricked").&amp;nbsp; There is no way to recover that chip now.&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Also, I would recommend that you NOT select the MKV58...(Allow Security) option in the JLink software. If you select the MKV58F1M0xxx24 option then the JLink driver won't allow you to modify the security settings of the chip. This is a safer option when debugging and prevents this kind of situation from occurring.&amp;nbsp;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Best regards,&lt;/P&gt;&lt;P&gt;Chris&amp;nbsp;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 19 Dec 2018 13:39:55 GMT</pubDate>
      <guid>https://community.nxp.com/t5/Kinetis-Microcontrollers/TWR-KV58F220M-RedLed/m-p/790537#M48101</guid>
      <dc:creator>chris_brown</dc:creator>
      <dc:date>2018-12-19T13:39:55Z</dc:date>
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