topic how application got valid in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/how-application-got-valid/m-p/432102#M25075 <HTML><HEAD></HEAD><BODY><P>Hello Guys , Does any one know , how the bootloader consider is the application is valid or not.. in Kinetis Bootloader code, I am using FRDM kl25z board...</P></BODY></HTML> Wed, 22 Jul 2015 07:24:39 GMT mohammads0019 2015-07-22T07:24:39Z how application got valid https://community.nxp.com/t5/Kinetis-Microcontrollers/how-application-got-valid/m-p/432102#M25075 <HTML><HEAD></HEAD><BODY><P>Hello Guys , Does any one know , how the bootloader consider is the application is valid or not.. in Kinetis Bootloader code, I am using FRDM kl25z board...</P></BODY></HTML> Wed, 22 Jul 2015 07:24:39 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/how-application-got-valid/m-p/432102#M25075 mohammads0019 2015-07-22T07:24:39Z Re: how application got valid https://community.nxp.com/t5/Kinetis-Microcontrollers/how-application-got-valid/m-p/432103#M25076 <HTML><HEAD></HEAD><BODY><P>Hello Mahammad Sathalya:</P><P></P><P>The application entry point or jump address is taken from the application's vector table at the application offset (e.g. for KL25 the offset is 0x8000 by default). Then the jump address is validated as next:</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/52308i817BF1CD5895105C/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P></P><P>Regards!,<BR />Jorge Gonzalez</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 23 Jul 2015 02:43:33 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/how-application-got-valid/m-p/432103#M25076 Jorge_Gonzalez 2015-07-23T02:43:33Z