Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f7/STM32F722/FMC/PCR#0x0
PC Card/NAND Flash control register
PWAITEN
PBKEN
PTYP
PWID
ECCEN
TCLR
TAR
ECCPS
https://github.com/modm-io/cmsis-svd-stm32