SAM4L Datasheet, PDF (127/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
10.7.16 Wake Cause Register
Name:
WCAUSE
Access Type:
Read-only
Offset:
0x184
Reset Value:
Latest Wake Source
31
30
29
28
27
26
25
24
WCAUSE[31:24]
23
22
21
20
19
18
17
16
WCAUSE[23:16]
15
14
13
12
11
10
9
8
WCAUSE[15:8]
7
6
5
4
3
2
1
0
WCAUSE[7:0]
A bit in this register is set on wake up caused by the peripheral referred to in Table 10-8 on page 127.
Table 10-8.
Bit
0
1
2
3
4
5
6
7
15:8
16
17
31:18
Wake Cause
Wake Cause
TWI Slave 0
TWI Slave 1
USBC
PSOK
BOD18 IRQ
BOD33 IRQ
PICOUART
LCDCA
-
EIC
AST
-
42023C–SAM–02/2013
127