topic KL Flash Security Question in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/KL-Flash-Security-Question/m-p/262502#M8213 <HTML><HEAD></HEAD><BODY><P>With Kinetis L, is it possible to designate a few bytes of flash (to store a firmware version) that can be read through the SWD interface even after flash access has been secured?</P></BODY></HTML> Thu, 07 Nov 2013 02:07:44 GMT AndyMoran 2013-11-07T02:07:44Z KL Flash Security Question https://community.nxp.com/t5/Kinetis-Microcontrollers/KL-Flash-Security-Question/m-p/262502#M8213 <HTML><HEAD></HEAD><BODY><P>With Kinetis L, is it possible to designate a few bytes of flash (to store a firmware version) that can be read through the SWD interface even after flash access has been secured?</P></BODY></HTML> Thu, 07 Nov 2013 02:07:44 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KL-Flash-Security-Question/m-p/262502#M8213 AndyMoran 2013-11-07T02:07:44Z Re: KL Flash Security Question https://community.nxp.com/t5/Kinetis-Microcontrollers/KL-Flash-Security-Question/m-p/262503#M8214 <HTML><HEAD></HEAD><BODY><P>You can use a few bytes of flash to do this, but you should take a look on the reference manual of your specific device on the security chapter to verify which registers could be read when memory has been secured.</P></BODY></HTML> Tue, 18 Feb 2014 16:45:39 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/KL-Flash-Security-Question/m-p/262503#M8214 perlam_i_au 2014-02-18T16:45:39Z