Syscfg External Interrupt Configuration Register 2; (Syscfg_Exticr2); (Syscfg_Exticr3) - STMicroelectronics STM32F05 series Reference Manual

System configuration controller (SYSCFG)
9.1.3

SYSCFG external interrupt configuration register 2

(SYSCFG_EXTICR2)

Address offset: 0x0C
Reset value: 0x0000
31 30 29
Res. Res. Res. Res.
15 14 13
EXTI7[3:0]
rw rw rw
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:0 EXTIx[3:0]: EXTI x configuration bits (x = 4 to 7)
Note: Some of the I/O pins mentioned in the above register may not be available on small
packages.
9.1.4 SYSCFG external interrupt configuration register 3

(SYSCFG_EXTICR3)

Address offset: 0x10
Reset value: 0x0000
31 30 29
Res. Res. Res. Res.
15 14 13
EXTI11[3:0]
rw rw rw
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:0 EXTIx[3:0]: EXTI x configuration bits (x = 8 to 11)
138/742
28 27 26 25
Res. Res. Res.
12 11 10 9
EXTI6[3:0]
rw rw rw rw
These bits are written by software to select the source input for the EXTIx
external interrupt.
x000: PA[x] pin
x001: PB[x] pin
x010: PC[x] pin
x011: reserved
x100: reserved
x101: PF[x] pin
other configurations: reserved
28 27 26 25
Res. Res. Res.
12 11 10 9
EXTI10[3:0]
rw rw rw rw
These bits are written by software to select the source input for the EXTIx
external interrupt.
x000: PA[x] pin
x001: PB[x] pin
x010: PC[x] pin
other configurations: reserved
Doc ID 018940 Rev 1
24 23 22 21
Res. Res. Res. Res.
8 7 6 5
EXTI5[3:0]
rw rw rw rw
24 23 22 21
Res. Res. Res. Res.
8 7 6 5
EXTI9[3:0]
rw rw rw rw
20 19 18 17
Res. Res. Res. Res.
4 3 2 1
EXTI4[3:0]
rw rw rw rw
20 19 18 17
Res. Res. Res. Res.
4 3 2 1
EXTI8[3:0]
rw rw rw rw
RM0091
16
Res.
0
rw
16
Res.
0
rw