User manual
...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 765
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Bit Name Reset Access Description
Select input port for external interrupt 8.
Value Mode Description
0 PORTA Port A pin 8 selected for external interrupt 8
1 PORTB Port B pin 8 selected for external interrupt 8
2 PORTC Port C pin 8 selected for external interrupt 8
3 PORTD Port D pin 8 selected for external interrupt 8
4 PORTE Port E pin 8 selected for external interrupt 8
5 PORTF Port F pin 8 selected for external interrupt 8
32.5.12 GPIO_EXTIRISE - External Interrupt Rising Edge Trigger Register
Offset Bit Position
0x108
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0x0000
Access
RW
Name
EXTIRISE
Bit Name Reset Access Description
31:16 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
15:0 EXTIRISE 0x0000 RW External Interrupt n Rising Edge Trigger Enable
Set bit n to enable triggering of external interrupt n on rising edge.
Value Description
EXTIRISE[n] = 0 Rising edge trigger disabled
EXTIRISE[n] = 1 Rising edge trigger enabled
32.5.13 GPIO_EXTIFALL - External Interrupt Falling Edge Trigger Register
Offset Bit Position
0x10C
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0x0000
Access
RW
Name
EXTIFALL
Bit Name Reset Access Description
31:16 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
15:0 EXTIFALL 0x0000 RW External Interrupt n Falling Edge Trigger Enable