Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Fujitsu/MB9BF12xJ/EXTI/ELVR#0x0
External Interrupt Level Register
Bit4 of ELVR
Bit5 of ELVR
Bit6 of ELVR
Bit7 of ELVR
Bit12 of ELVR
Bit13 of ELVR
Bit14 of ELVR
Bit15 of ELVR
Bit28 of ELVR
Bit29 of ELVR
https://github.com/cmsis-svd/cmsis-svd-data