Atmel goes back to (Arduino) Zero with 32-bit SAMD21 MCU-based board -

Atmel goes back to (Arduino) Zero with 32-bit SAMD21 MCU-based board


At the MakerFair Bay Area Expo in San Mateo, Ca. this weekend Atmel and Arduino took wraps off their jointly developed Arduino Zero, a 32-bit platform they are aiming at the Internet of Things.

A 32-bit extension of the platform established by Arduino UNO, the Zero board (Figure 1 below ) is powered by Atmel's SAMD21 MCU, which features a 32-bit ARM Cortex M0+ core.

Figuire 1. The Arduino Zero is based on Atmel's SAMD21 MCU.

The SAMD21 MCU comes with 256kb of flash and 32kb SRAM in a TQFP package and is compatible with a 3.3V Shield that conforms to the Arduino R3 Layout.

Program development with the Zero is done with the Arduino BAIL programming language, which is fully supported through a custom developed software library, integrated in the Arduino development environment.

For professional developers, it also includes Atmel’s Embedded Debugger (EDBG), which provides a full debug interface on the SAMD21 without the need for additional hardware. EDBG also supports a virtual COM port that can be used for device programming and traditional Arduino boot loader functionality.

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