DocID024597 Rev 3 277/1693
RM0351 System configuration controller (SYSCFG)
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Bits 10:8 EXTI2[2:0]: EXTI 2 configuration bits
These bits are written by software to select the source input for the EXTI2
external interrupt.
000: PA[2] pin
001: PB[2] pin
010: PC[2] pin
011: PD[2] pin
100: PE[2] pin
101: PF[2] pin
110: PG[2] pin
111: Reserved
Bit 7 Reserved, must be kept at reset value.
Bits 6:4 EXTI1[2:0]: EXTI 1 configuration bits
These bits are written by software to select the source input for the EXTI1
external interrupt.
000: PA[1] pin
001: PB[1] pin
010: PC[1] pin
011: PD[1] pin
100: PE[1] pin
101: PF[1] pin
110: PG[1] pin
111: PH[1] pin
Bit 3 Reserved, must be kept at reset value.
Bits 2:0 EXTI0[2:0]: EXTI 0 configuration bits
These bits are written by software to select the source input for the EXTI0
external interrupt.
000: PA[0] pin
001: PB[0] pin
010: PC[0] pin
011: PD[0] pin
100: PE[0] pin
101: PF[0] pin
110: PG[0] pin
111: PH[0] pin
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