topic Re: MKL43Z new chip SECURED, how to UNSECURE it? in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431704#M25055 <HTML><HEAD></HEAD><BODY><P>Maybe this will help: <A href="https://community.nxp.com/thread/301600">How to unlock a secured Freescale Kinetis L chip</A> </P></BODY></HTML> Sat, 06 Jun 2015 00:02:55 GMT dave408 2015-06-06T00:02:55Z MKL43Z new chip SECURED, how to UNSECURE it? https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431701#M25052 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I have just assembled a custom board using MKL43Z, with a brand new chip.</P><P></P><P>When I connect it to the USB, it is enumerated as Kinetis bootloader.</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/28024i4DC0E8F1A24318D5/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>However, when I run blhost get-property 17, it returns that the device is SECURED....</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_0.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/27996iC4B97E5215FC7C36/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_0.png" alt="pastedImage_0.png" /></span></P><P></P><P>Is that correct for a brand new Chip?? What can I do to program it and/or remove the security??</P><P></P><P>Regards,</P><P>Thiago</P><P></P><P>I have tried to unsecure it via blhost with no success:</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_0.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/29582i7EFD755125DEB4AD/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_0.png" alt="pastedImage_0.png" /></span></P><P></P><P>Is the new Chip lost?</P><P></P><P>Mensagem editada por: Thiago Palmieri</P></BODY></HTML> Fri, 05 Jun 2015 17:56:58 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431701#M25052 thiagopalmieri 2015-06-05T17:56:58Z Re: MKL43Z new chip SECURED, how to UNSECURE it? https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431702#M25053 <HTML><HEAD></HEAD><BODY><P>On our board, we had to use the J-Link Commander and use the "Unlock Kinetis" command to unsecure the chip.</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_0.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/32803i5C0534E7C5B45776/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_0.png" alt="pastedImage_0.png" /></span></P></BODY></HTML> Fri, 05 Jun 2015 23:19:30 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431702#M25053 dave408 2015-06-05T23:19:30Z Re: MKL43Z new chip SECURED, how to UNSECURE it? https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431703#M25054 <HTML><HEAD></HEAD><BODY><P>Is there any way that does not involve a third party hardware?</P><P></P><P>I don't have a segger J-link and to buy one would not be ideal for mi right now, is there any other way?</P><P></P><P>I just happen to have an Olimex-arm-usb-ocd-h + arm-jtag-swd + arm-jtag-20-10, is it possible to use that setup to unsecure the chip??</P></BODY></HTML> Fri, 05 Jun 2015 23:58:54 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431703#M25054 thiagopalmieri 2015-06-05T23:58:54Z Re: MKL43Z new chip SECURED, how to UNSECURE it? https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431704#M25055 <HTML><HEAD></HEAD><BODY><P>Maybe this will help: <A href="https://community.nxp.com/thread/301600">How to unlock a secured Freescale Kinetis L chip</A> </P></BODY></HTML> Sat, 06 Jun 2015 00:02:55 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL43Z-new-chip-SECURED-how-to-UNSECURE-it/m-p/431704#M25055 dave408 2015-06-06T00:02:55Z