Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F427/FMC/PATT2#0x0
Attribute memory space timing register 2
ATTSETx
ATTWAITx
ATTHOLDx
ATTHIZx
https://github.com/cmsis-svd/cmsis-svd-data