ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 5

• 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

3. Signal Description
Table 3-1.
6430DS–ATARM–28-Mar-11
Signal Name
VDDIO
VDDIN
VDDOUT
VDDUTMII
GNDUTMII
VDDBU
GNDBU
VDDPLL
GNDPLL
VDDANA
GNDANA
VDDCORE
GND
XIN
XOUT
XIN32
XOUT32
VBG
PCK0 - PCK2
SHDN
FWUP
TCK/SWCLK
TDI
TDO/TRACESWO
TMS/SWDIO
JTAGSEL
Signal Description List
Function
Peripherals I/O Lines Power Supply
Voltage Regulator Input
Voltage Regulator Output
USB UTMI+ Interface Power Supply
USB UTMI+ Interface Ground
Backup I/O Lines Power Supply
Backup Ground
PLL A, UPLL and OSC 3-20 MHz Power Supply
PLL A, UPLL and OSC 3-20 MHz Ground
ADC Analog Power Supply
ADC Analog Ground
Core, Memories and Peripherals Chip Power
Supply
Ground
Main Oscillator Input
Main Oscillator Output
Slow Clock Oscillator Input
Slow Clock Oscillator Output
Bias Voltage Reference
Programmable Clock Output
Shut-Down Control
Force Wake-Up Input
Test Clock/Serial Wire Clock
Test Data In
Test Data Out/Trace Asynchronous Data Out
Test Mode Select/Serial Wire Input/Output
JTAG Selection
Table 3-1
gives details on the signal names classified by peripheral.
Serial Wire/JTAG Debug Port (SWJ-DP)
Clocks, Oscillators and PLLs
Shutdown, Wakeup Logic
Power Supplies
Output
Ground
Ground
Ground
Ground
Ground
Output
Output
Analog
Output
Output
Power
Power
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
(4)
Active
Level
High
Low
Reference Comments
VDDPLL
Voltage
VDDBU
VDDBU
VDDBU
VDDIO
VDDIO
SAM3U Series
1.62V to 3.6V
1.8V to 3.6V
1.8V
3.0V to 3.6V
1.62V to 3.6V
1.62 V to 1.95V
2.0V to 3.6V
1.62V to 1.95V
push/pull
0: The device is in
backup mode
1: The device is running
(not in backup mode)
Needs external pull-up
No pull-up resistor
No pull-up resistor
No pull-up resistor
Internal permanent
pull-down
5