GigaDevice Semiconductor GD32VF103 - EXTI Sources Selection Register 1 (AFIO_EXTISS1)

GD32VF103 User Manual
124
0000: PA2 pin
0001: PB2 pin
0010: PC2 pin
0011: PD2 pin
0100: PE2 pin
Other configurations are reserved.
7:4
EXTI1_SS [3:0]
EXTI 1 sources selection
0000: PA1 pin
0001: PB1 pin
0010: PC1 pin
0011: PD1 pin
0100: PE1 pin
Other configurations are reserved.
3:0
EXTI0_SS [3:0]
EXTI 0 sources selection
0000: PA0 pin
0001: PB0 pin
0010: PC0 pin
0011: PD0 pin
0100: PE0 pin
Other configurations are reserved.
7.5.11. EXTI sources selection register 1 (AFIO_EXTISS1)
Address offset: 0x0C
Reset value: 0x0000 0000
This register has to be accessed by word (32-bit).
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
EXTI7_SS[3:0]
EXTI6_SS[3:0]
EXTI5_SS[3:0]
EXTI4_SS[3:0]
rw
rw
rw
rw
Bits
Fields
Descriptions
31:16
Reserved
Must be kept at reset value
15:12
EXTI7_SS [3:0]
EXTI 7 sources selection
0000: PA7 pin
0001: PB7 pin
0010: PC7 pin
0011: PD7 pin
0100: PE7 pin