Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Data Sheet
Product codes
ATSAM4S-EK2
25
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
5.6
Wake-up Sources
The wake-up events allow the device to exit the backup mode. When a wake-up event is detected, the Supply Controller
performs a sequence which automatically reenables the core power supply and the SRAM power supply, if they are not
already enabled.
performs a sequence which automatically reenables the core power supply 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
SMEN
sm_out
Core
Supply
Restart
Supply
Restart
WKUPIS0
WKUPIS1
WKUPIS15
Falling/Rising
Edge
Detector
WKUPT0
Falling/Rising
Edge
Detector
WKUPT1
Falling/Rising
Edge
Detector
WKUP0
WKUP1
RTTEN
rtt_alarm