[Supported model]
adviceLUNA, adviceLUNA2
[Scope]
ARM S6J3xxx
[Error message]
ICE Error No.fec: Security key is not matched.
[Cause]
This error is output when a debugger security marker 0 to 3 (DDR_DSKM0 to 3), which is set in the internal flash does not match with the value specified in ”Security Key (KEY0 to KEY3)” at [MPU] - [MPU-Specific Settings] - [Maintenance].
[Workaround]
Set the correct security key and issue the RESET again.
For details, see manual section 25.33 ”Notes & Points for when using S6J3xxx”(adviceLUNA2).