Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/S6E1A1/GPIO/PFR3#0x0
Port Function Setting Register 3
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