

ARDUINO DUE AT91SAM3X8E ARM Cortex-M3 Board
Arduino Due features a powerful 32-bit ARM Cortex-M3 processor with 84 MHz clock speed, supports 3.3V Arduino shields, and offers 54 digital I/O pins, 12 PWM outputs, 12 analog inputs, dual DACs, multiple UARTs, USB OTG, SPI, JTAG, and dedicated power, reset, and erase controls.
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Key specifications
About this product
The Arduino Due is powered by the Atmel SAM3X8E ARM Cortex-M3 microcontroller, making it the first Arduino board based on a 32-bit ARM architecture. With high processing power and advanced peripherals, Arduino Due is ideal for complex electronics projects, industrial automation, robotics, and professional prototyping.
Main Features of Arduino Due
- 54 digital input/output pins, including 12 PWM outputs
- 12 analog input pins for precise sensor readings
- 4 UARTs (hardware serial ports) for multiple serial devices
- 84 MHz clock speed for high-performance processing
- Native USB OTG support for direct USB device communication
- 2 DAC (Digital-to-Analog Converter) outputs
- 2 TWI (I²C) communication interfaces
- SPI header, JTAG header, and power jack
- Dedicated Reset and Erase buttons
Technical Specifications of Arduino Due
- Microcontroller: Atmel SAM3X8E ARM Cortex-M3
- Operating Voltage: 3.3V
- Input Voltage (recommended): 7–12V
- Flash Memory: 512 KB
- SRAM: 96 KB
- EEPROM: None (emulated in Flash)
- Clock Speed: 84 MHz
Important Voltage Notice
The Arduino Due operates strictly at 3.3V. Applying voltages higher than 3.3V to any I/O pin may permanently damage the board. Ensure that all connected sensors, modules, and shields are 3.3V compatible.
Getting Started with Arduino Due
The Arduino Due includes everything required to support the microcontroller. You can connect it to a computer using a micro-USB cable or power it using an AC-to-DC adapter or battery. It is fully programmable using the Arduino IDE and supports advanced libraries for ARM-based development.
Pinout and Interface Details
- TWI (I²C): SDA and SCL pins located near the AREF pin
- IOREF: Enables shields to adapt to the correct board voltage
- Reserved Pin: Unconnected and reserved for future compatibility
- SPI: Available through the dedicated SPI header
Compatibility and Shield Support
- Compatible with all 3.3V Arduino shields
- Supports Arduino 1.0 pinout shields
- Not compatible with 5V-only shields without level shifting
Applications of Arduino Due
- Advanced robotics and automation systems
- High-speed data acquisition projects
- Industrial control and monitoring
- Real-time signal processing applications
- Professional embedded system prototyping
Buy Arduino Due Online in Pakistan
Purchase the original Arduino Due board from Circuithub.pk, the trusted online electronics components store in Pakistan. We offer genuine Arduino boards, fast nationwide delivery, and reliable support for students, hobbyists, and engineers working on advanced Arduino and ARM-based projects.






