Description
Arduino Due (China)
The Arduino Due is a microcontroller board based on the Atmel SAM3X8E ARM Cortex-M3 CPU . 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.
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Specification:
| 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 |
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