The Arduino Zero uses an Atmel ARM Cortex-M0+ for 256kB of Flash and 32k of RAM. The board supports Atmel’s Embedded Debugger, finally giving the smaller Arduino boards debugging support.

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 ...

Arduino enthusiasts might be interested to know that Rapid Prototypes have this week launched their new second-generation Neutrino 2.0 development board which is Arduino Zero compatible.