Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f7/STM32F730/FMC/SR#0x0
FIFO status and interrupt register
IRS
ILS
IFS
IREN
ILEN
IFEN
FEMPT
https://github.com/modm-io/cmsis-svd-stm32