Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Spansion/MB9BF32xM/GPIO/PFR1#0x0
Port function setting register 1
Bit0 of PFR1
Bit1 of PFR1
Bit2 of PFR1
Bit4 of PFR1
Bit5 of PFR1
Bit6 of PFR1
Bit7 of PFR1
Bit8 of PFR1
Bit9 of PFR1
Bit10 of PFR1
Bit11 of PFR1
https://github.com/cmsis-svd/cmsis-svd-data