Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet
Product codes
ATSAMD20-XPRO
254
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
19.8.8 Interrupt Flag Status and Clear
Name:
INTFLAG
Offset:
0x10
Reset:
0x00000000
Property:
-
z
Bits 31:16 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z
Bits 15:0 – EXTINT: External Interrupt x
This flag is cleared by writing a one to it.
This flag is cleared by writing a one to it.
This flag is set when EXTINTx pin matches the external interrupt sense configuration and will generate an interrupt
request if INTENCLR/SET.EXTINT[x] is one.
request if INTENCLR/SET.EXTINT[x] is one.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the External Interrupt x flag.
Bit
31
30
29
28
27
26
25
24
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
23
22
21
20
19
18
17
16
Access
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
EXTINT[15:8]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
EXTINT[7:0]
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0