ST STM32L4x6 Reference Manual page 281

RM0351
8.2.6 SYSCFG external interrupt configuration register 4
(SYSCFG_EXTICR4)
Address offset: 0x14
Reset value: 0x0000 0000
31 30 29
Res Res Res
15 14 13
Res EXTI15[2:0]
rw rw
Bits 31:15 Reserved, must be kept at reset value.
Bits 14:12 EXTI15[2:0]: EXTI15 configuration bits
Bit 11 Reserved, must be kept at reset value.
Bits 10:8 EXTI14[2:0]: EXTI14 configuration bits
Bit 7 Reserved, must be kept at reset value.
28 27 26 25
Res Res Res Res
12 11 10 9
Res EXTI14[2:0]
rw rw rw
These bits are written by software to select the source input for the EXTI15 external
interrupt.
000: PA[15] pin
001: PB[15] pin
010: PC[15] pin
011: PD[15] pin
100: PE[15] pin
101: PF[15] pin
110: PG[15] pin
111: Reserved
These bits are written by software to select the source input for the EXTI14 external
interrupt.
000: PA[14] pin
001: PB[14] pin
010: PC[14] pin
011: PD[14] pin
100: PE[14] pin
101: PF[14] pin
110: PG[14] pin
111: Reserved
System configuration controller (SYSCFG)
24 23 22
Res Res Res
8 7 6
Res EXTI13[2:0]
rw rw
DocID024597 Rev 3
21 20 19 18
Res Res Res Res
5 4 3 2
Res
rw rw rw
17 16
Res Res
1 0
EXTI12[2:0]
rw rw
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