Hardware

32 bit ARM-based Arduino Due Released

Posted 22 Oct 2012 at 19:57 UTC by steve Share This

After a long wait, the Arduino Due is finally available. The Due is based on an Atmel ARM Cortex M3 running at 84 Mhz, bringing a 32 bit processor to the Arduino world. Rumors and early sightings have been floating around for a while but the official announcement was made in the Arduino blog today. The only downside to all that new power is that, being ARM-based, a lot of existing AVR code won't be compatible without some work. There are a few other caveats, like getting used to the 3.3 volt levels on the I/O pins. Using 5 volts can damage the board. Like previous Ardunio boards, the design is open source hardware. So download the schematic, Eagle PCB files, and pin mappings and get to work on a robot controller! The price is $49. Read on for full specifications of the new Arduino Due board.

Technical Specification

Microcontroller AT91SAM3X8E
Operating Voltage 3.3V
Input Voltage (recommended) 7-12V
Input Voltage (min/max) 6-20V
Digital I/O Pins 54 (of which 6 provide PWM)
Analog Input Pins 12
Analog Output Pins 2 (DAC)
Total DC Output Current on I/O lines 130 mA
DC Current for 3.3V Pin 800 mA
DC Current for 5V Pin theoretical 1A, recommended 800 mA
Flash Memory 512 KB
SRAM 96 KB (64 + 32 KB)
Clock speed 84 MHz
Debug access JTAG/SWD connector

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