System configuration controller (SYSCFG) RM0440
372/2126 RM0440 Rev 4
10.2.3 SYSCFG external interrupt configuration register 1
(SYSCFG_EXTICR1)
Address offset: 0x08
Reset value: 0x0000 0000
Table 58. BOOSTEN and ANASWVDD set/reset
VDD VDDA BOOSTEN ANASWVDD
-> 2.4V0 0
> 2.4 V < 2.4 V 0 1
< 2.4 V < 2.4 V 1 0
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
EXTI3[3:0] EXTI2[3:0] EXTI1[3:0] EXTI0[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 EXTI3[3:0]: EXTI 3 configuration bits
These bits are written by software to select the source input for the EXTI3
external interrupt.
0000: PA[3] pin
0001: PB[3] pin
0010: PC[3] pin
0011: PD[3] pin
0100: PE[3] pin
0101: PF[3] pin
0110: PG[3] pin
Bits 11:8 EXTI2[3:0]: EXTI 2 configuration bits
These bits are written by software to select the source input for the EXTI2
external interrupt.
0000: PA[2] pin
0001: PB[2] pin
0010: PC[2] pin
0011: PD[2] pin
0100: PE[2] pin
0101: PF[2] pin
0110: PG[2] pin
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