https://community.nxp.com/t5/S32K/s32k148-flash-Configuration-settings/m-p/1943068#M40268 <P><A href="mailto:Hi@gary_yang" target="_blank">Hi@gary_yang</A></P> <P><SPAN>"0x400~0x407 is set to 0x55 and 0x40C is set to 0x6C" which means:</SPAN></P> <P><SPAN>backdoor key is disabled(KEYEN = 01b) and Mass erase is disabled too(MEEN = 10b), which</SPAN></P> <P><SPAN> means this chip can't unlock back to normal status by Mass erase or backdoor access</SPAN><SPAN>.</SPAN></P> Thu, 29 Aug 2024 05:47:08 GMT Senlent 2024-08-29T05:47:08Z https://community.nxp.com/t5/S32K/s32k148-flash-Configuration-settings/m-p/1942177#M40225 <P>Dear Sir：</P><P>S32K148 Flash Configuration, 0x400~0x407 is set to 0x55, 0x40C is set to 0x6C.</P><P>After programming, is there a way to unlock and reprogram it?</P><P>Thanks</P> Wed, 28 Aug 2024 10:36:30 GMT https://community.nxp.com/t5/S32K/s32k148-flash-Configuration-settings/m-p/1942177#M40225 gary_yang 2024-08-28T10:36:30Z https://community.nxp.com/t5/S32K/s32k148-flash-Configuration-settings/m-p/1943068#M40268 <P><A href="mailto:Hi@gary_yang" target="_blank">Hi@gary_yang</A></P> <P><SPAN>"0x400~0x407 is set to 0x55 and 0x40C is set to 0x6C" which means:</SPAN></P> <P><SPAN>backdoor key is disabled(KEYEN = 01b) and Mass erase is disabled too(MEEN = 10b), which</SPAN></P> <P><SPAN> means this chip can't unlock back to normal status by Mass erase or backdoor access</SPAN><SPAN>.</SPAN></P> Thu, 29 Aug 2024 05:47:08 GMT https://community.nxp.com/t5/S32K/s32k148-flash-Configuration-settings/m-p/1943068#M40268 Senlent 2024-08-29T05:47:08Z