User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 767
www.energymicro.com
Bit Name Reset Access Description
Value Description
EXT[n] = 1 Pin n external interrupt flag set
32.5.16 GPIO_IFS - Interrupt Flag Set Register
Offset Bit Position
0x118
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
W1
Name
EXT
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 EXT 0x0000 W1 External Interrupt Flag n Set
Write bit n to 1 to set interrupt flag n.
Value Description
EXT[n] = 0 Pin n external interrupt flag unchanged
EXT[n] = 1 Pin n external interrupt flag set
32.5.17 GPIO_IFC - Interrupt Flag Clear Register
Offset Bit Position
0x11C
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
W1
Name
EXT
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 EXT 0x0000 W1 External Interrupt Flag Clear
Write bit n to 1 to clear external interrupt flag n.
Value Description
EXT[n] = 0 Pin n external interrupt flag unchanged
EXT[n] = 1 Pin n external interrupt flag cleared