#1.
As soon as EEFC_FCR is written, the FRDY flag and the FVALUE field in the Flash Result register (EEFC_FRR) are automatically cleared.
Erase starts as soon as one of the erase commands and the FARG field are written in EEFC_FCR.
#2.
Once the current command has completed, the FRDY flag is automatically set.
#3.
If an interrupt has been enabled by setting the bit EEFC_FMR.FRDY, the corresponding interrupt line of the interrupt controller is activated
#4.
This flag is automatically cleared by a read access to EEFC_FSR.
#5. 이건 응용
When the current command writes or erases a page in a locked region, the command has no effect on the whole memory plane, but the FLOCKE flag is set in EEFC_FSR
#6. 5번이랑 비슷
When Flash programming is completed, the bit EEFC_FSR.FRDY rises.