I am trying to set D_FLASH bit in the Functional Event Reset Disable Register (RGM_FERD),but the value is not reflecting in the register .
In datasheet it is mentioned as ,
It can be accessed in read/write in either supervisor mode or test mode.It can be accessed in read only in user mode.
I want to generate an interrupt request when a code or data flash fatal error occurs
Please guide me to resolve the above issues.