ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 8

• 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

Table 3-1.
Notes:
3.1
8
Signal Name
TWDx
TWCKx
AD12Bx
AD12BTRG
AD12BVREF
ADx
ADTRG
ADVREF
PGMEN0-PGMEN2 Programming Enabling
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
DFSDM
DFSDP
DHSDM
DHSDP
1. PIOA: Schmitt Trigger on all except PA14 on 100 and 144 packages.
2. PIOB: Schmitt Trigger on all except PB9 to PB16, PB25 to PB31 on 100 and 144 packages.
3. PIOC: Schmitt Trigger on all except PC20 to PC27 on 144 package.
4. TDO pin is set in input mode when the Cortex-M3 Core is not in debug mode. Thus an external pull-up (100 kΩ) must be
Design Considerations
SAM3U Series
added to avoid current consumption due to floating input.
Signal Description List (Continued)
Function
TWIx Two-wire Serial Data
TWIx Two-wire Serial Clock
Analog Inputs
ADC Trigger
ADC Reference
Analog Inputs
ADC Trigger
ADC Reference
Programming Mode
Programming Data
Programming Ready
Data Direction
Programming Read
Programming Clock
Programming Command
USB Device Full Speed Data -
USB Device Full Speed Data +
USB Device High Speed Data -
USB Device High Speed Data +
In order to facilitate schematic capture when using a SAM3U design, Atmel provides a
matics Checklist” Application note.
Please visit
http://www.atmel.com/products/AT91/
12-bit Analog-to-Digital Converter - ADC12B
Fast Flash Programming Interface - FFPI
10-bit Analog-to-Digital Converter - ADC
USB High Speed Device - UDPHS
Two-Wire Interface - TWI
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
Active
for additional documentation.
Level
High
Low
Low
Low
VDDUTMII
Reference Comments
Voltage
VDDIO
6430D–ATARM–25-Mar-11
“Sche-