(Syscfg_Exticr3) - ST STM32WL5 Series Reference Manual

System configuration controller (SYSCFG)
Bits 10:8 EXTI6[2:0]: EXTI6 configuration bits
These bits are written by software to select the source input for the EXTI6 external interrupt.
000: PA6 pin
001: PB6 pin
010: PC6 pin
011: Reserved
100: Reserved
101: Reserved
110: Reserved
111: Reserved
Bit 7 Reserved, must be kept at reset value.
Bits 6:4 EXTI5[2:0]: EXTI5 configuration bits
These bits are written by software to select the source input for the EXTI5 external interrupt.
000: PA5 pin
001: PB5 pin
010: PC5 pin
011: Reserved
100: Reserved
101: Reserved
110: Reserved
111: Reserved
Bit 3 Reserved, must be kept at reset value.
Bits 2:0 EXTI4[2:0]: EXTI4 configuration bits
These bits are written by software to select the source input for the EXTI4 external interrupt.
000: PA4 pin
001: PB4 pin
010: PC4 pin
011: Reserved
100: Reserved
101: Reserved
110: Reserved
111: Reserved
Note: Some of the I/O pins mentioned in this register may not be available on small packages.
11.2.5 SYSCFG external interrupt configuration register 3

(SYSCFG_EXTICR3)

Address offset: 0x010
Reset value: 0x0000 0000
31 30 29
Res. Res. Res. Res.
15 14 13
Res. EXTI11[2:0]
rw rw
432/1461
28 27 26 25
Res. Res. Res.
12 11 10 9
Res. EXTI10[2:0]
rw rw rw
24 23 22
Res. Res. Res.
8 7 6
Res. EXTI9[2:0]
rw rw
RM0453 Rev 1
21 20 19 18
Res. Res. Res. Res.
5 4 3 2
Res.
rw rw rw
RM0453
17 16
Res. Res.
1 0
EXTI8[2:0]
rw rw