ATSAM3U1C 查看數據表（PDF） - Atmel Corporation

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ATSAM3U1C

AT91SAM ARM-based Flash MCU

Atmel Corporation 

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

supply.

Figure 5-4. Wake-up Source

sm_int

SMEN

rtc_alarm

RTCEN

rtt_alarm

RTTEN

FWUP

Falling

Edge

Detector

FWUPEN

SLCK

FWUPDBC

Debouncer

FWUP

Core

Supply

Restart

WKUP0

WKUP1

WKUP15

WKUPT0

Falling/Rising

Edge

Detector

WKUPT1

Falling/Rising

Edge

Detector

WKUPT15

Falling/Rising

Edge

Detector

WKUPEN0 WKUPIS0

WKUPEN1 WKUPIS1

WKUPEN15 WKUPIS15

SLCK

WKUPDBC

Debouncer

WKUPS

22 SAM3U Series

6430F–ATARM–21-Feb-12

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