Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO Data Sheet

Product codes
ATSAMD20-XPRO
Page of 660
252
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
19.8.6 Interrupt Enable Clear
This register allows the user to disable an interrupt without doing a read-modify-write operation. Changes in this register 
will also be reflected in the Interrupt Enable Set register (INTENSET).
Name:
INTENCLR
Offset:
0x08
Reset:
0x00000000
Property:
Write-Protected
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.
z
Bits 15:0 – EXTINT: External Interrupt x Enable
0: The external interrupt x is disabled.
1: The external interrupt x is enabled.
Writing a zero to this bit has no effect.
Writing a one to this bit will clear the External Interrupt x Enable bit, which enables the external interrupt.
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