topic Re: How to unlock bricked MCU with J-Link? in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436796#M25458 <HTML><HEAD></HEAD><BODY><P>As I recall, this can be accomplished by typing "unlock kinetis" in the J-link command line.</P></BODY></HTML> Mon, 08 Jun 2015 14:01:36 GMT jscott 2015-06-08T14:01:36Z How to unlock bricked MCU with J-Link? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436794#M25456 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>I'm with a MK22F512xxx12 connected by SWD with a FRDM-K22F. The Mcu is blocked, I cannot debug or erase.</P><P><span class="lia-inline-image-display-wrapper" image-alt="Nouveau Image bitmap.bmp"><img src="https://community.nxp.com/t5/image/serverpage/image-id/2606i2424797A37FA1F8E/image-size/large?v=v2&amp;px=999" role="button" title="Nouveau Image bitmap.bmp" alt="Nouveau Image bitmap.bmp" /></span></P><P></P><P>Do you know how to unlock the Mcu?</P><P></P><P>Thank's, Best Regards</P><P>Rémi</P></BODY></HTML> Mon, 08 Jun 2015 09:48:20 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436794#M25456 rémiraynaud 2015-06-08T09:48:20Z Re: How to unlock bricked MCU with J-Link? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436795#M25457 <HTML><HEAD></HEAD><BODY><P>Hello <STRONG style="font-size: 12.6000003814697px; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif; color: #51626f;"><A _jive_internal="true" data-avatarid="-1" data-content-finding="Community" data-userid="233452" data-username="rémiraynaud" href="https://community.nxp.com/people/rémiraynaud" style="padding: 0 3px 0 0; font-weight: inherit; font-style: inherit; font-size: 1.1em; font-family: inherit; color: #017bba;">rémi raynaud</A>​,</STRONG></P><P></P><P>I can recommend you follow these steps, described here <A href="http://mcuoneclipse.com/2012/10/26/unsecuring-the-kl25z-freedom-board/" title="http://mcuoneclipse.com/2012/10/26/unsecuring-the-kl25z-freedom-board/">Unsecuring the KL25Z Freedom Board | MCU on Eclipse</A></P><P>also it is discussed at <A href="https://community.nxp.com/thread/301233">Freedom board - "Device is secure. Erase to unsecure?"</A> </P><P></P><P>If your problem does not appear, please, let me know.</P><P></P><P>Best Regards,</P><P>Iva</P></BODY></HTML> Mon, 08 Jun 2015 12:45:27 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436795#M25457 ivadorazinova 2015-06-08T12:45:27Z Re: How to unlock bricked MCU with J-Link? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436796#M25458 <HTML><HEAD></HEAD><BODY><P>As I recall, this can be accomplished by typing "unlock kinetis" in the J-link command line.</P></BODY></HTML> Mon, 08 Jun 2015 14:01:36 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436796#M25458 jscott 2015-06-08T14:01:36Z Re: How to unlock bricked MCU with J-Link? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436797#M25459 <HTML><HEAD></HEAD><BODY><P>I've tried to "<SPAN style="color: #51626f; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif;">unlock kinetis" (look at the command line in the screenshot, attached to the post) in the <SPAN style="color: #51626f; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif;">J-link command line but it doesn't change...</SPAN></SPAN></P><P><SPAN style="color: #51626f; font-family: arial, helvetica, 'helvetica neue', verdana, sans-serif;">Thank's for yours answers </SPAN></P></BODY></HTML> Mon, 08 Jun 2015 14:44:50 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436797#M25459 rémiraynaud 2015-06-08T14:44:50Z Re: How to unlock bricked MCU with J-Link? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436798#M25460 <HTML><HEAD></HEAD><BODY><P>Ok, sorry I missed that.</P></BODY></HTML> Mon, 08 Jun 2015 15:03:17 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-unlock-bricked-MCU-with-J-Link/m-p/436798#M25460 jscott 2015-06-08T15:03:17Z