A를 하면 B가 된다

#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.