Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/MB9BF12xJ/EXTI/ELVR1#0x0
External Interrupt Level Register 1
Bit4 of ELVR1
Bit5 of ELVR1
Bit6 of ELVR1
Bit7 of ELVR1
https://github.com/cmsis-svd/cmsis-svd-data