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ARM is intensifying its attack on the 8-bit controller market with a new
ultra-low power processor core, the Cortex-M0. At claimed 0.85 µW/MHz
the power efficiency is comparable to controllers of the AVR or MSP430
families. The Cortex-M0 implements the Thumb-1 and a subset of the
Thumb-2 instruction set, so the same level of support by open source
tools can be expected as for the other ARM cores.
NXP, best known for its ARM7-based controller family LPC2000, has
announced to become the first licensee for the Cortex-M0, though no
specific products have been announced yet.
* "ARM Cortex-M0":http://www.arm.com/products/CPUs/ARM-Cortex-M0.html
* "NXP licenses ARM Cortex™-M0