Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
340
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
20.8.8 Interrupt Flag Status and Clear
Name:
INTFLAG
Offset:
0x10
Reset:
0x00000000
Property:
-
z
Bits 31:18 – 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 17:0 – EXTINTx [x=17..0]: External Interrupt x
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.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the External Interrupt x flag.
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.
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
EXTINT17
EXTINT16
Access
R
R
R
R
R
R
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
EXTINT15
EXTINT14
EXTINT13
EXTINT12
EXTINT11
EXTINT10
EXTINT9
EXTINT8
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
EXTINT7
EXTINT6
EXTINT5
EXTINT4
EXTINT3
EXTINT2
EXTINT1
EXTINT0
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