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

Product codes
ATSAMD20-XPRO
Page of 660
255
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
19.8.9 Wake-Up Enable
Name:
WAKEUP
Offset:
0x14
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 – WAKEUPEN: External Interrupt x Wake-up Enable
This bit enables or disables wake-up from sleep modes when the EXTINTx pin matches the external interrupt 
sense configuration.
0: Wake-up from the EXTINTx pin is disabled.
1: Wake-up from the EXTINTx pin is enabled.
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
WAKEUPEN[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
WAKEUPEN[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