ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 22

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.6
Figure 5-4.
22
WKUP15
WKUP0
WKUP1
FWUP
Wake-up Sources
SAM3U Series
Wake-up Source
rtc_alarm
rtt_alarm
sm_int
Falling/Rising
Falling/Rising
Falling/Rising
WKUPT15
WKUPT0
WKUPT1
Detector
Detector
Detector
Detector
Falling
Edge
Edge
Edge
Edge
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.
SMEN
RTCEN
RTTEN
WKUPEN15
WKUPEN0
WKUPEN1
FWUPEN
WKUPIS0
WKUPIS1
WKUPIS15
SLCK
SLCK
FWUPDBC
WKUPDBC
Debouncer
Debouncer
WKUPS
FWUP
6430D–ATARM–25-Mar-11
Core
Supply
Restart