RM0440 Rev 4 373/2126
RM0440 System configuration controller (SYSCFG)
380
10.2.4 SYSCFG external interrupt configuration register 2
(SYSCFG_EXTICR2)
Address offset: 0x0C
Reset value: 0x0000 0000
Bits 7:4 EXTI1[3:0]: EXTI 1 configuration bits
These bits are written by software to select the source input for the EXTI1
external interrupt.
0000: PA[1] pin
0001: PB[1] pin
0010: PC[1] pin
0011: PD[1] pin
0100: PE[1] pin
0101: PF[1] pin
0110: PG[1] pin
Bits 3:0 EXTI0[3:0]: EXTI 0 configuration bits
These bits are written by software to select the source input for the EXTI0
external interrupt.
0000: PA[0] pin
0001: PB[0] pin
0010: PC[0] pin
0011: PD[0] pin
0100: PE[0] pin
0101: PF[0] pin
0110: PG[0] pin
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
EXTI7[3:0] EXTI6[3:0] EXTI5[3:0] EXTI4[3:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:12 EXTI7[3:0]: EXTI 7 configuration bits
These bits are written by software to select the source input for the EXTI7
external interrupt.
0000: PA[7] pin
0001: PB[7] pin
0010: PC[7] pin
0011: PD[7] pin
0100: PE[7] pin
0101: PF[7] pin
0110: PG[7] pin