Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/S6E1A1/FASTIO/FPDIR0#0x0
Fast GPIO Input Data Register 0
Bit0 of FPDIR0
Bit1 of FPDIR0
Bit2 of FPDIR0
Bit3 of FPDIR0
Bit4 of FPDIR0
Bit15 of FPDIR0
https://github.com/cmsis-svd/cmsis-svd-data