Datasheet

21
11011AS–ATARM–04-Oct-10
SAM3N Summary
5.6 Wake-up Sources
The wake-up events allow the device to exit backup mode. When a wake-up event is detected,
the Supply Controller performs a sequence which automatically reenables the core power sup-
ply and the SRAM power supply, if they are not already enabled.
Figure 5-4. Wake-up Source
WKUP15
WKUPEN15
WKUPT15
WKUPEN1
WKUPEN0
Debouncer
SLCK
WKUPDBC
WKUPS
RTCEN
rtc_alarm
BODEN
brown_out
Core
Supply
Restart
WKUPIS0
WKUPIS1
WKUPIS15
Falling/Rising
Edge
Detector
WKUPT0
Falling/Rising
Edge
Detector
WKUPT1
Falling/Rising
Edge
Detector
WKUP0
WKUP1
RTTEN
rtt_alarm