Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/S6E1A1/GPIO/PDIR0#0x0
Port Input Data Register 0
Bit0 of PDIR0
Bit1 of PDIR0
Bit2 of PDIR0
Bit3 of PDIR0
Bit4 of PDIR0
Bit15 of PDIR0
https://github.com/cmsis-svd/cmsis-svd-data