Kinetis MicrocontrollersのトピックRe: K10 - OK to use flash below 0x400? https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333579#M15788 <HTML><HEAD></HEAD><BODY><P>Excellent. Thanks for the fast reply.</P></BODY></HTML> Tue, 24 Feb 2015 15:33:57 GMT chris_f 2015-02-24T15:33:57Z K10 - OK to use flash below 0x400? https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333577#M15786 <HTML><HEAD></HEAD><BODY><P>I'm running really low on flash space on a MK10DN32VFM5 and am looking for somewhere for a field write-once array.</P><P>The device only has 62 interrupt vectors so the space from 0x0F8-0x3FF looks to be unused.</P><P>I've tried creating a linker section here, putting an array in it and it seems to work fine.</P><P>Is it OK to use this section? I can't find anything in the datasheet that says whether it is or not.</P><P></P><P>Thanks in advance.</P><P>Chris</P></BODY></HTML> Tue, 24 Feb 2015 15:23:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333577#M15786 chris_f 2015-02-24T15:23:14Z Re: K10 - OK to use flash below 0x400? https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333578#M15787 <HTML><HEAD></HEAD><BODY><P>Hi Chris</P><P></P><P>As long as you respect the normal Flash writing rules there is no problem using free space in the first sector for saving write-once parameters to.</P><P></P><P>Regards</P><P></P><P>Mark</P><P></P><P>Kinetis: <A href="http://www.utasker.com/kinetis.html" title="http://www.utasker.com/kinetis.html">µTasker Kinetis support</A></P><P>K20: <A href="http://www.utasker.com/kinetis/TWR-K20D72M.html" title="http://www.utasker.com/kinetis/TWR-K20D72M.html">µTasker Kinetis TWR-K20D72M support</A> / <A href="http://www.utasker.com/kinetis/FRDM-K20D50M.html" title="http://www.utasker.com/kinetis/FRDM-K20D50M.html">µTasker Kinetis FRDM-K20D50M support</A> / <A href="http://www.utasker.com/kinetis/FRDM-K20D50M.html" title="http://www.utasker.com/kinetis/FRDM-K20D50M.html">µTasker Kinetis FRDM-K20D50M support</A></P><P><EM>For the complete "out-of-the-box" Kinetis experience and faster time to market</EM></P></BODY></HTML> Tue, 24 Feb 2015 15:32:05 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333578#M15787 mjbcswitzerland 2015-02-24T15:32:05Z Re: K10 - OK to use flash below 0x400? https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333579#M15788 <HTML><HEAD></HEAD><BODY><P>Excellent. Thanks for the fast reply.</P></BODY></HTML> Tue, 24 Feb 2015 15:33:57 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K10-OK-to-use-flash-below-0x400/m-p/333579#M15788 chris_f 2015-02-24T15:33:57Z