DocID024597 Rev 5 315/1830
RM0351 System configuration controller (SYSCFG)
323
Note: Some of the I/O pins mentioned in the above register may not be available on small
packages.
9.2.5 SYSCFG external interrupt configuration register 3
(SYSCFG_EXTICR3)
Address offset: 0x10
Reset value: 0x0000 0000
Bits 11:8 EXTI6[3:0]: EXTI 6 configuration bits
These bits are written by software to select the source input for the EXTI6
external interrupt.
0000: PA[6] pin
0001: PB[6] pin
0010: PC[6] pin
0011: PD[6] pin
0100: PE[6] pin
0101: PF[6] pin
0110: PG[6] pin
0111: PH[6] pin (only on STM32L496xx/4A6xx devices)
1000: PI[6] pin (only for STM32L496xx/4A6xx devices)
Bits 7:4 EXTI5[3:0]: EXTI 5 configuration bits
These bits are written by software to select the source input for the EXTI5
external interrupt.
0000: PA[5] pin
0001: PB[5] pin
0010: PC[5] pin
0011: PD[5] pin
0100: PE[5] pin
0101: PF[5] pin
0110: PG[5] pin
0111: PH[5] pin (only on STM32L496xx/4A6xx devices)
1000: PI[5] pin (only for STM32L496xx/4A6xx devices)
Bits 3:0 EXTI4[3:0]: EXTI 4 configuration bits
These bits are written by software to select the source input for the EXTI4
external interrupt.
0000: PA[4] pin
0001: PB[4] pin
0010: PC[4] pin
0011: PD[4] pin
0100: PE[4] pin
0101: PF[4] pin
0110: PG[4] pin
0111: PH[4] pin (only on STM32L496xx/4A6xx devices)
1000: PI[4] pin (only for STM32L496xx/4A6xx devices)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res Res
1514131211109876543210
EXTI11[3:0] EXTI10[3:0] EXTI9[3:0] EXTI8[3:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
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