Datasheet
77
32117D–AVR-01/12
AT32UC3C
7.7.16 Wake Cause Register
Register name WCAUSE
Register access Read-only
Offset: 0x0184
Reset Value: Latest Reset Source
• A bit in this register is set on wake up caused by the peripheral referred to in Table 7-10.
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
------ WCAUSE[17:16]
15 14 13 12 11 10 9 8
WCAUSE[15:8]
76543210
WCAUSE[7:0]
Table 7-10. Wake Cause
Bit Wake Cause
1 USBC
1 CANIF-RXLINE[0]
2 CANIF-RXLINE[1]
3-
4TWI Slave 0
5TWI Slave 1
6TWI Slave 2
15:7 -
16 EIC
17 AST
31:18 -