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Table of Contents

Arduino Due

The Due is a larger form factor Arduino board containing a ATSAM3X8E ARM Cortex-M3 processor running at 84MHz.

There are two USB connectors on this board. One is labelled the native port which is a direct connection to the processor. This allows the MCU to become a USB device in its own right. The other port called the programming port connects to a serial bridge for updating the firmware and it also allows regular UART communication.

Programming

SAM BA

due.jpg

SAM BA is the ROM based bootloader found on the processor and is connected to via the programming port.

The controller on the programming port switches to bootloader mode when the port is opened at 1200 baud.

BOSSA

JTAG

jlinkedu.jpg

JTAG utilises the miniature header and can be used with the JLink EDU Mini.

Segger J-Link

Resources

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