Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/MB9BF52xT/GPIO/PFR2#0x0
Port function setting register 2
Bit0 of PFR2
Bit1 of PFR2
Bit2 of PFR2
Bit3 of PFR2
Bit4 of PFR2
Bit5 of PFR2
Bit6 of PFR2
Bit7 of PFR2
Bit8 of PFR2
Bit9 of PFR2
https://github.com/cmsis-svd/cmsis-svd-data