SAM3A ATMEL [ATMEL Corporation], SAM3A Datasheet - Page 12

• Manufacturer Part Number: SAM3A
• Description: AT91SAM ARM-based Flash MCU
• Manufacturer: ATMEL [ATMEL Corporation]

Table 3-1.
Notes:
3.1
4. Package and Pinout
4.1
14
14
Signal Name
PGMEN0-PGMEN2
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
VBUS
DFSDM
DFSDP
DHSDM
DHSDP
UOTGVBOF
UOTGID
1. TDO pin is set in input mode when the Cortex-M3 Core is not in debug mode. Thus the internal pull-up corresponding to this
2. PIOA: Schmitt Trigger on all, except PA0, PA9, PA26, PA29, PA30, PA31
3. PIOB: Schmitt Trigger on all, except PB14 and PB22
4. PIOC: Schmitt Trigger on all, except PC2 to PC9, PC15 to PC24
5. PIOD: Schmitt Trigger on all, except PD10 to PD30
6. PIOE: Schmitt Trigger on all, except PE0 to PE4, PE15, PE17, PE19, PE21, PE23, PE25, PE29
7. PIOF: Schmitt Trigger on all PIOs
Design Considerations
SAM3A4/8C and SAM3X4/8C Package and Pinout
SAM3X/A
SAM3X/A
PIO line must be enabled to avoid current consumption due to floating input.
Signal Description List (Continued)
Function
Programming Enabling
Programming Mode
Programming Data
Programming Ready
Data Direction
Programming Read
Programming Clock
Programming Command
USB Bus Power Measurement Port
USB Full Speed Data -
USB Full Speed Data +
USB High Speed Data -
USB High Speed Data +
USB VBus On/Off: Bus Power Control
Port
USB Identification: Mini Connector
Identification Port
In order to facilitate schematic capture when using a SAM3X/A design, Atmel provides a “Sche-
matics Checklist” Application Note. See
The SAM3A4/8C and SAM3X4/8C are available in 100-lead LQFP and 100-ball LFBGA
packages.
USB Mini Host/Device High Speed Device
Fast Flash Programming Interface
Analog
Analog
Analog
Analog
Analog
Output
Output
http://www.atmel.com/products/AT91/
Type
Input
Input
Input
Input
Input
I/O
Active
Level
High
Low
Low
Low
VDDUTMI
VDDUTMI
VDDUTMI
VDDUTMI
Reference
Voltage
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
11057BS–ATARM–13-Jul-12
11057BS–ATARM–13-Jul-12
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