https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Address-for-margin-level-settings/m-p/2251269#M20792 <P>Based on "MC9S12ZVC Family Reference Manual" commands to set user/field margin level both take "global address to identify flash/eeprom block" as one of their parameters.</P><P>Should the address be the beginning of the block or any address in that block range?</P> Fri, 28 Nov 2025 13:41:45 GMT TomoTom 2025-11-28T13:41:45Z https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Address-for-margin-level-settings/m-p/2251269#M20792 <P>Based on "MC9S12ZVC Family Reference Manual" commands to set user/field margin level both take "global address to identify flash/eeprom block" as one of their parameters.</P><P>Should the address be the beginning of the block or any address in that block range?</P> Fri, 28 Nov 2025 13:41:45 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Address-for-margin-level-settings/m-p/2251269#M20792 TomoTom 2025-11-28T13:41:45Z https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Address-for-margin-level-settings/m-p/2251281#M20793 <P>It can be any address within the block.</P><P>Are you ready for flash/EEPROM ECC exception handling? Modified margins may lead to uncorrectable ECC error and trigger not maskable exception handler... I guess you are doing it for better memory integrity checks, so please don't forget as well to implement and virify operation of exception handler and of course return from it ;).</P> Fri, 28 Nov 2025 14:03:37 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/Address-for-margin-level-settings/m-p/2251281#M20793 kef2 2025-11-28T14:03:37Z