Datasheet

133
42023E–SAM–07/2013
ATSAM4L8/L4/L2
10.7.16 Wake Cause Register
Name: WCAUSE
Access Type: Read-only
Offset: 0x184
Reset Value: Latest Wake Source
A bit in this register is set on wake up caused by the peripheral referred to in Table 10-8 on page 133.
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]
76543210
WCAUSE[7:0]
Table 10-8. Wake Cause
Bit Wake Cause
0TWI Slave 0
1TWI Slave 1
2 USBC
3 PSOK
4 BOD18 IRQ
5 BOD33 IRQ
6PICOUART
7 LCDCA
15:8 -
16 EIC
17 AST
31:18 -