Kinetis MicrocontrollersのトピックK22F: How to restore KBOOT? https://community.nxp.com/t5/Kinetis-Microcontrollers/K22F-How-to-restore-KBOOT/m-p/655595#M40018 <HTML><HEAD></HEAD><BODY><P>The K22F bootloader is pre-loaded into the flash of the chip.&nbsp;Is it possible to restore the bootloader in the event that programming the application firmware fails? If so, how does one go about doing that?</P></BODY></HTML> Tue, 02 May 2017 00:22:46 GMT sabine_s 2017-05-02T00:22:46Z K22F: How to restore KBOOT? https://community.nxp.com/t5/Kinetis-Microcontrollers/K22F-How-to-restore-KBOOT/m-p/655595#M40018 <HTML><HEAD></HEAD><BODY><P>The K22F bootloader is pre-loaded into the flash of the chip.&nbsp;Is it possible to restore the bootloader in the event that programming the application firmware fails? If so, how does one go about doing that?</P></BODY></HTML> Tue, 02 May 2017 00:22:46 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K22F-How-to-restore-KBOOT/m-p/655595#M40018 sabine_s 2017-05-02T00:22:46Z Re: K22F: How to restore KBOOT? https://community.nxp.com/t5/Kinetis-Microcontrollers/K22F-How-to-restore-KBOOT/m-p/655596#M40019 <HTML><HEAD></HEAD><BODY><P>Hi Sabine Schnabeltier,</P><P></P><P>&nbsp;&nbsp; The K22F bootloader can be found from the KBOOT2.0, you can download KBOOT2.0 from this link:</P><P><A class="link-titled" href="https://www.nxp.com/webapp/Download?colCode=NXP_KINETIS_BOOTLOADER_2_0_0&amp;appType=license&amp;Parent_nodeId=1395762639877723974876&amp;Parent_pageType=product" title="https://www.nxp.com/webapp/Download?colCode=NXP_KINETIS_BOOTLOADER_2_0_0&amp;appType=license&amp;Parent_nodeId=1395762639877723974876&amp;Parent_pageType=product">https://www.nxp.com/webapp/Download?colCode=NXP_KINETIS_BOOTLOADER_2_0_0&amp;appType=license&amp;Parent_nodeId=13957626398777239…</A></P><P>After you download it, you can find the bootloader code from folder:</P><P>NXP_Kinetis_Bootloader_2_0_0\NXP_Kinetis_Bootloader_2_0_0\targets</P><P>Just use the debugger or programmer download the bootloader code to your chip.</P><P></P><P>Wish it helps you!</P><P></P><P><BR />Have a great day,<BR />Kerry</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 03 May 2017 07:43:52 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K22F-How-to-restore-KBOOT/m-p/655596#M40019 kerryzhou 2017-05-03T07:43:52Z