Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Spansion/MB9AF42xK/GPIO/EPFR15#0x0
register EPFR15
bitfield EINT16S
bitfield EINT17S
bitfield EINT18S
bitfield EINT19S
bitfield EINT20S
bitfield EINT21S
https://github.com/cmsis-svd/cmsis-svd-data