Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Spansion/MB9BF52xT/GPIO/PFRB#0x0
register PFRB
bitfield P0
bitfield P1
bitfield P2
bitfield P3
bitfield P4
bitfield P5
bitfield P6
bitfield P7
https://github.com/cmsis-svd/cmsis-svd-data