ST STM32L4+ Series Reference Manual page 358

System configuration controller (SYSCFG)
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:12 EXTI11[3:0]: EXTI 11 configuration bits
Bits 11:8 EXTI10[3:0]: EXTI 10 configuration bits
Note: Some of the I/O pins mentioned in the above register may not be available on small
packages.
358/2301
These bits are written by software to select the source input for the EXTI11
external interrupt.
0000: PA[11] pin
0001: PB[11] pin
0010: PC[11] pin
0011: PD[11] pin
0100: PE[11] pin
0101: PF[11] pin
0110: PG[11] pin
0111: PH[11] pin
1000: PI[11] pin
These bits are written by software to select the source input for the EXTI10
external interrupt.
0000: PA[10] pin
0001: PB[10] pin
0010: PC[10] pin
0011: PD[10] pin
0100: PE[10] pin
0101: PF[10] pin
0110: PG[10] pin
0111: PH[10] pin
1000: PI[10] pin
Bits 7:4 EXTI9[3:0]: EXTI 9 configuration bits
These bits are written by software to select the source input for the EXTI9
external interrupt.
0000: PA[9] pin
0001: PB[9] pin
0010: PC[9] pin
0011: PD[9] pin
0100: PE[9] pin
0101: PF[9] pin
0110: PG[9] pin
0111: PH[9] pin
1000: PI[9] pin
Bits 3:0 EXTI8[3:0]: EXTI 8 configuration bits
These bits are written by software to select the source input for the EXTI8
external interrupt.
0000: PA[8] pin
0001: PB[8] pin
0010: PC[8] pin
0011: PD[8] pin
0100: PE[8] pin
0101: PF[8] pin
0110: PG[8] pin
0111: PH[8] pin
1000: PI[8] pin
RM0432 Rev 6
RM0432