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.
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1 x Arduino DUE
1 x USB Type B Cable
|Input Voltage (recommended)||7 – 12 V|
|Input Voltage (limits)||6 – 16 V|
|Digital I/O Pins||54 with 12 pins providing PWM output|
|Analog Input Pins||12|
|Analog Output Pins||2 (DAC)|
|Total DC Output Current on all I/O||130mA|
|DC Current for 5V Pin||800mA|
|DC current for 3.3V Pin||800mA|
|Flash Memory||512kB all available for the user application|
|SRAM||96kB (two banks: 64kB and 32kB)|
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