Kinetis MicrocontrollersのトピックKinetis K60 FTFL Erase Block https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-FTFL-Erase-Block/m-p/441120#M25839 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>I have a product that includes a firmware upgrade, when running in the field the upgrade will occasionally fail (about 5% of the time), and completely brick the device. I can't see anything obviously wrong so I am going over all the code with a fine tooth comb trying to find what the problem is...</P><P></P><P>I found a strange issue with the erasing.</P><P></P><P>When trying to do a mass erase in preparation for the firmware write, for some reason when I run the erase flash block command at address 0x40000 it fails with MGSTAT0 error (i.e. verify failed), but if I erase the block sector-by-sector and manually verify then it is erased and doesn't report any errors.</P><P></P><P>If I then read out the memory using JTAG Commander following a block erase, the binary file shows the upper block to be correctly erased.</P><P></P><P>Does anybody have any idea why it is reporting a fail when it is actually working?</P><P></P><P>The erase all blocks command also fails with a verify error.</P><P></P><P>Things I have checked:</P><P>* All the flash protection registers are 0xFF</P><P>* The flash configuration is set to 0xFFFFFFFE</P><P>* Watchdog is disabled</P><P>* Interrupts are disabled</P><P>* The code is running in RAM</P><P>* fails whether or not debugger is attached</P><P></P><P>I'm using a K60N512VLQ10 rev 4N22D</P><P></P><P>Regards</P><P></P><P>James</P></BODY></HTML> Thu, 23 Jul 2015 17:05:56 GMT James8 2015-07-23T17:05:56Z Kinetis K60 FTFL Erase Block https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-FTFL-Erase-Block/m-p/441120#M25839 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>I have a product that includes a firmware upgrade, when running in the field the upgrade will occasionally fail (about 5% of the time), and completely brick the device. I can't see anything obviously wrong so I am going over all the code with a fine tooth comb trying to find what the problem is...</P><P></P><P>I found a strange issue with the erasing.</P><P></P><P>When trying to do a mass erase in preparation for the firmware write, for some reason when I run the erase flash block command at address 0x40000 it fails with MGSTAT0 error (i.e. verify failed), but if I erase the block sector-by-sector and manually verify then it is erased and doesn't report any errors.</P><P></P><P>If I then read out the memory using JTAG Commander following a block erase, the binary file shows the upper block to be correctly erased.</P><P></P><P>Does anybody have any idea why it is reporting a fail when it is actually working?</P><P></P><P>The erase all blocks command also fails with a verify error.</P><P></P><P>Things I have checked:</P><P>* All the flash protection registers are 0xFF</P><P>* The flash configuration is set to 0xFFFFFFFE</P><P>* Watchdog is disabled</P><P>* Interrupts are disabled</P><P>* The code is running in RAM</P><P>* fails whether or not debugger is attached</P><P></P><P>I'm using a K60N512VLQ10 rev 4N22D</P><P></P><P>Regards</P><P></P><P>James</P></BODY></HTML> Thu, 23 Jul 2015 17:05:56 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-FTFL-Erase-Block/m-p/441120#M25839 James8 2015-07-23T17:05:56Z Re: Kinetis K60 FTFL Erase Block https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-FTFL-Erase-Block/m-p/441121#M25840 <HTML><HEAD></HEAD><BODY><P>Hi James,</P><P></P><P>We don't find any record or errata info about your mentioned issue.</P><P>I also checked Kinetis_100MHz validation project record without similar failure report.</P><P>How many chips on your site with the same behavior?</P><P><BR />Have a great day,<BR />Ma Hui</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Mon, 27 Jul 2015 05:36:52 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Kinetis-K60-FTFL-Erase-Block/m-p/441121#M25840 Hui_Ma 2015-07-27T05:36:52Z