أردوينو دو DUE

أردوينو دو DUE

Overview

The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU (datasheet). It is the first Arduino board based on a 32-bit ARM core microcontroller. It has 54 digital input/output pins (of which 12 can be used as PWM outputs), 12 analog inputs, 4 UARTs (hardware serial ports), a 84 MHz clock, an USB OTG capable connection, 2 DAC (digital to analog), 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button.

Warning: Unlike other Arduino boards, the Arduino Due board runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Providing higher voltages, like 5V to an I/O pin could damage the board.

The board contains everything needed to support the microcontroller; simply connect it to a computer with a micro-USB cable or power it with a AC-to-DC adapter or battery to get started. The Due is compatible with all Arduino shields that work at 3.3V and are compliant with the 1.0 Arduino pinout.

The Due follows the 1.0 pinout:

TWI: SDA and SCL pins that are near to the AREF pin. 

The IOREF pin which allows an attached shield with the proper configuration to adapt to the voltage provided by the board. This enables shield compatibility with a 3.3V board like the Due and AVR-based boards which operate at 5V.

An unconnected pin, reserved for future use.

Summary

Microcontroller

 

AT91SAM3X8E

Operating Voltage

 

3.3V

Input Voltage (recommended)

 

7-12V

Input Voltage (limits)

 

6-16V

Digital I/O Pins

 

54 (of which 12 provide PWM output)

Analog Input Pins

 

12

Analog Outputs Pins

 

2 (DAC)

Total DC Output Current on all I/O lines

 

130 mA

DC Current for 3.3V Pin

 

800 mA

DC Current for 5V Pin

 

800 mA

Flash Memory

 

512 KB all available for the user applications

SRAM

 

96 KB (two banks: 64KB and 32KB)

Clock Speed

 

84 MHz

Length

 

101.52 mm

Width

 

53.3 mm

Weight

 

36 g

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