Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/S6E1A1/FASTIO/M_FPDOR0#0x0
Mirror Fast GPIO Output Data Register 0
Bit0 of M_FPDOR0
Bit1 of M_FPDOR0
Bit2 of M_FPDOR0
Bit3 of M_FPDOR0
Bit4 of M_FPDOR0
Bit5 of M_FPDOR0
Bit6 of M_FPDOR0
Bit7 of M_FPDOR0
https://github.com/cmsis-svd/cmsis-svd-data