Reminders:
1) Due board runs at 3.3 V. The maximum voltage that the I/O pins can tolerate is 3.3 V. Providing higher voltages, like 5V to an I/O pin could damage the board.
2) ARM core strengths: The use of 32-bit ARM core is more powerful than th previous use of the other Iduino core 8 AVR.
The main differences are:
- 32 bits at a clock can process 32 bits of data.
- CPU clock frequency of 84 MHz
- 96 SRAM KBytes
- 512 Flash KBytes
- A DMA controller, can reduce the pressure on the CPU to do a lot of computing\
Specifications:
- Microcontroller: AT91SAM3X8E
- Operating voltage: 3.3 V
- Input voltage (recommended): 7 – 12 V
- Input voltage (limits): 6 – 16 V
- 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 3.3 V pin: 800 mA
- DC current for 5 V pin: 800 mA
- Flash memory: 512 KB all available for the user applications
- SRAM: 96 KB (two banks: 64 KB and 32 KB)
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