Atmel Announces ARM Cortex-M3 License and AT91SAM3 Flash MCU Family
Atmel has licensed the ARM Cortex-M3 32-bit RISC processor for the next generation of its market-leading AT91SAM ARM-based microcontrollers. This reinforces Atmel's commitment to the ARM architecture, complementing its existing licenses for the ARM7TDMI, ARM926EJ-S and ARM1176JZ-S processors.
http://www.atmel.com/dyn/corporate/view_de...cense_6_24.html
Так что не только luminary