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