Datasheet

154
42023E–SAM–07/2013
ATSAM4L8/L4/L2
11.6.9 Backup Wake up Cause Register
Name: BKUPWCAUSE
Access Type: Read-only
Offset: 0x0028
Reset Value: Latest Wake up Source from Backup mode
A bit in this register is set when the system is waking up from the Backup mode and the wake up source is caused by the
peripheral referred to in Table 11-3 on page 154.
31 30 29 28 27 26 25 24
BKUPWC[31:24]
23 22 21 20 19 18 17 16
BKUPWC[23:16]
15 14 13 12 11 10 9 8
BKUPWC[15:8]
76543210
BKUPWC[7:0]
Table 11-3. Backup Wake up Cause
Bit Wake Cause
0EIC
1 AST
2 WDT interrupt
3 BOD33 interrupt
4 BOD18 interrupt
5 PICOUART interrupt
31:6 -