Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Spansion/MB9AFB4xL/GPIO/PFR3#0x0
Port function setting register 3
Bit0 of PFR3
Bit1 of PFR3
Bit2 of PFR3
Bit3 of PFR3
Bit9 of PFR3
Bit10 of PFR3
Bit11 of PFR3
Bit12 of PFR3
Bit13 of PFR3
Bit14 of PFR3
Bit15 of PFR3
https://github.com/cmsis-svd/cmsis-svd-data