topic Unable to flash MK20DN512VLL10 device in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Unable-to-flash-MK20DN512VLL10-device/m-p/952769#M54783 <HTML><HEAD></HEAD><BODY><P>Hi there,</P><P></P><P>I am trying to flash firmware into a blank MK20DN512VLL10 device using the JLink command tool through the SWD interface.</P><P></P><P>I am unable to unlock or connect to the device. Attach is a screen shot of the output from the JLink tool.</P><P>Does the reset line of the device needs to be held high/low while being powered up. Any help with commands I should execute to get this going will be much appreciated.&nbsp;</P><P></P><P>Regards,</P><P>Jes<span class="lia-inline-image-display-wrapper" image-alt="programming mk20DN device.jpg"><img src="https://community.nxp.com/t5/image/serverpage/image-id/85503iEA1FDD6150925507/image-size/large?v=v2&amp;px=999" role="button" title="programming mk20DN device.jpg" alt="programming mk20DN device.jpg" /></span></P></BODY></HTML> Thu, 06 Jun 2019 07:21:08 GMT jes1 2019-06-06T07:21:08Z Unable to flash MK20DN512VLL10 device https://community.nxp.com/t5/Kinetis-Microcontrollers/Unable-to-flash-MK20DN512VLL10-device/m-p/952769#M54783 <HTML><HEAD></HEAD><BODY><P>Hi there,</P><P></P><P>I am trying to flash firmware into a blank MK20DN512VLL10 device using the JLink command tool through the SWD interface.</P><P></P><P>I am unable to unlock or connect to the device. Attach is a screen shot of the output from the JLink tool.</P><P>Does the reset line of the device needs to be held high/low while being powered up. Any help with commands I should execute to get this going will be much appreciated.&nbsp;</P><P></P><P>Regards,</P><P>Jes<span class="lia-inline-image-display-wrapper" image-alt="programming mk20DN device.jpg"><img src="https://community.nxp.com/t5/image/serverpage/image-id/85503iEA1FDD6150925507/image-size/large?v=v2&amp;px=999" role="button" title="programming mk20DN device.jpg" alt="programming mk20DN device.jpg" /></span></P></BODY></HTML> Thu, 06 Jun 2019 07:21:08 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Unable-to-flash-MK20DN512VLL10-device/m-p/952769#M54783 jes1 2019-06-06T07:21:08Z Re: Unable to flash MK20DN512VLL10 device https://community.nxp.com/t5/Kinetis-Microcontrollers/Unable-to-flash-MK20DN512VLL10-device/m-p/952770#M54784 <HTML><HEAD></HEAD><BODY><P>Hi Jes,</P><P>Many people faced similar problem like yours. I think their experience may help you.</P><P><A href="https://community.nxp.com/thread/501313">MKL04Z8XXX4 Custom board lock/brick</A>&nbsp;</P><P><A href="https://community.nxp.com/thread/488778">Cannot halt S32K118EVB </A>&nbsp;</P><P><A href="https://community.nxp.com/message/1032875">https://community.nxp.com/message/1032875</A>&nbsp;</P><P></P><P>Regards,</P><P>Jing</P></BODY></HTML> Thu, 06 Jun 2019 09:14:58 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Unable-to-flash-MK20DN512VLL10-device/m-p/952770#M54784 jingpan 2019-06-06T09:14:58Z