Status register
| BSY | Write/erase operations in progress |
| EOP | End of operation |
| ENDHV | End of high voltage |
| READY | Flash memory module ready after low power mode |
| WRPERR | Write protected error |
| PGAERR | Programming alignment error |
| SIZERR | Size error |
| OPTVERR | Option validity error |
| RDERR | RDERR |
| NOTZEROERR | NOTZEROERR |
| FWWERR | FWWERR |