SAM3X datasheet(12/71 Pages) ATMEL

12 / 71 page

11057BS–ATARM–13-Jul-12

SAM3X/A

11057BS–ATARM–13-Jul-12

SAM3X/A

Notes:

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

PIO line must be enabled to avoid current consumption due to floating input.

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

3.1

Design Considerations

In order to facilitate schematic capture when using a SAM3X/A design, Atmel provides a “Sche-

matics Checklist” Application Note. See http://www.atmel.com/products/AT91/

Package and Pinout

4.1

SAM3A4/8C and SAM3X4/8C Package and Pinout

The SAM3A4/8C and SAM3X4/8C are available in 100-lead LQFP and 100-ball LFBGA

packages.

Fast Flash Programming Interface

PGMEN0-PGMEN2

Programming Enabling

Input

VDDIO

PGMM0-PGMM3

Programming Mode

Input

VDDIO

PGMD0-PGMD15

Programming Data

I/O

VDDIO

PGMRDY

Programming Ready

Output

High

VDDIO

PGMNVALID

Data Direction

Output

Low

VDDIO

PGMNOE

Programming Read

Input

Low

VDDIO

PGMCK

Programming Clock

Input

VDDIO

PGMNCMD

Programming Command

Input

Low

VDDIO

USB Mini Host/Device High Speed Device

VBUS

USB Bus Power Measurement Port

Analog

DFSDM

USB Full Speed Data -

Analog

VDDUTMI

DFSDP

USB Full Speed Data +

Analog

VDDUTMI

DHSDM

USB High Speed Data -

Analog

VDDUTMI

DHSDP

USB High Speed Data +

Analog

VDDUTMI

UOTGVBOF

USB VBus On/Off: Bus Power Control

Port

VDDIO

UOTGID

USB Identification: Mini Connector

Identification Port

VDDIO

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Voltage

Reference

Comments

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