topic Re: Urgently required-how to reprogram the LK24 but keeping one ROM page unaffected in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147631#M7492 <HTML><HEAD></HEAD><BODY>Hello and Welcome,<BR /><BR />If the LK24 is using Flash Block Protection, it is not possible as a Mass Erase is required.<BR /><BR />Otherwise, if the memory is not protected, you need to erase page by page every page except the calibration data.<BR /><BR />IMHO, you could save your data page in a S-Record with CodeWarrior and then, after merging both calibration and software, program the final S-Record (containing everything).<BR /><BR />Regards,<BR />Alban.<BR /><DIV></DIV></BODY></HTML> Wed, 19 Sep 2007 16:44:17 GMT Alban 2007-09-19T16:44:17Z Urgently required-how to reprogram the LK24 but keeping one ROM page unaffected https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147630#M7491 <HTML><HEAD></HEAD><BODY><DIV> </DIV><DIV>Dear All,</DIV><DIV><P><SPAN style=": ; font-size: 4; font-family: Garamond;"><SPAN>In my application I'm using</SPAN> MC68HC908LK24 <SPAN>and Metrowerks CodeWarrior IDE.</SPAN></SPAN></P><P><SPAN style=": ; font-size: 4; font-family: Garamond;">I'm using one page at the beginning of the ROM space of the MC68HC908LK24 to store calibration data.</SPAN></P><P><SPAN style=": ; font-size: 4; font-family: Garamond;"><SPAN>My question is <SPAN style="text-decoration: underline;"><STRONG>how can I reprogram the MC68HC908LK24</STRONG></SPAN></SPAN><SPAN><SPAN style="text-decoration: underline;"><STRONG>without affecting this page</STRONG></SPAN>?</SPAN></SPAN></P><P><SPAN style="font-family: Garamond; font-size: 4;"><SPAN>I mean I want to change the code on the MCU but keeping this data page unaffected</SPAN></SPAN></P></DIV></BODY></HTML> Wed, 19 Sep 2007 15:09:31 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147630#M7491 MuhammadAliMuha 2007-09-19T15:09:31Z Re: Urgently required-how to reprogram the LK24 but keeping one ROM page unaffected https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147631#M7492 <HTML><HEAD></HEAD><BODY>Hello and Welcome,<BR /><BR />If the LK24 is using Flash Block Protection, it is not possible as a Mass Erase is required.<BR /><BR />Otherwise, if the memory is not protected, you need to erase page by page every page except the calibration data.<BR /><BR />IMHO, you could save your data page in a S-Record with CodeWarrior and then, after merging both calibration and software, program the final S-Record (containing everything).<BR /><BR />Regards,<BR />Alban.<BR /><DIV></DIV></BODY></HTML> Wed, 19 Sep 2007 16:44:17 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147631#M7492 Alban 2007-09-19T16:44:17Z Re: Urgently required-how to reprogram the LK24 but keeping one ROM page unaffected https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147632#M7493 <HTML><HEAD></HEAD><BODY><DIV>Dear all,</DIV><DIV>The S19 record generated from codewarrior has 23Hex data bytes per line</DIV><DIV>The S19 record read from the MCU Flash [by PROG08SZ Flash Programmer for HC08] has 13Hex data bytes per line</DIV><DIV>I'm asking whether there is a way to set the byte count in each line of the S19 record generated from codewarrior.</DIV><DIV>Thanks and best regards&nbsp;</DIV></BODY></HTML> Wed, 03 Oct 2007 16:39:05 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147632#M7493 MuhammadAliMuha 2007-10-03T16:39:05Z Re: Urgently required-how to reprogram the LK24 but keeping one ROM page unaffected https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147633#M7494 <HTML><HEAD></HEAD><BODY><DIV>Hello</DIV><DIV>&nbsp;</DIV><DIV>Yes this is possible.</DIV><DIV>&nbsp; - Open the burner.bbl (or whatever .bbl file you are using in your project in an edit window.</DIV><DIV>&nbsp; - Add a new line with command SLINELEN in the bbl file. I would add it after the SRECORD command.</DIV><DIV>&nbsp;&nbsp;&nbsp;&nbsp; For example</DIV><DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SLINELEN=8</DIV><DIV>&nbsp;&nbsp;&nbsp;&nbsp; will make sure each line in a s record file contains data to program 8 bytes.</DIV><DIV>&nbsp;</DIV><DIV>CrasyCat</DIV></BODY></HTML> Wed, 03 Oct 2007 16:55:25 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Urgently-required-how-to-reprogram-the-LK24-but-keeping-one-ROM/m-p/147633#M7494 CrasyCat 2007-10-03T16:55:25Z