WARNING: Unlike many other Arduino products, the Arduino Due development board operates only at 3.3V. The maximum voltage on IO pins is therefore 3.3V and not 5V!!!

The board pinout is Arduino compatible. All shields that work with 3.3V supply voltages also work with the Arduino Due.

Summary

• processor: 32-bit AT91SAM3X8E
• FLASH program memory: 256+256KB
• SRAM working memory: 96KB (64KB + 32KB)
• processor clock frequency: 84MHz
• versatile DMA controller for e.g. background ADC-memory-DAC transfers
• recommended input voltage via DC connector: 7-12V (6-20V)
• operating voltage: 3.3V
• regulated output: 3.3V 800mA
• regulated output: 5V 800mA
• total current tolerance for all pins: max. 130mA
• digital IO pins: 54
• PWM pins: 12
• analog input pins (ADC 12-bit): 12
• analog output pins (DAC 12-bit): 2
• many additional functions in IO blocks such as USART, CAN, I2C, SPI, etc.
• separate USB connector for communication with a computer (CDC)
• JTAG debug connector
• reset button and erase button
• SPI programming header