Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/S6E1A1/FASTIO/FPDIR8#0x0
Fast GPIO Input Data Register 8
Bit0 of FPDIR8
Bit1 of FPDIR8
Bit2 of FPDIR8
https://github.com/cmsis-svd/cmsis-svd-data