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An Introduction to the ARM Cortex-M3 Processor

1An Introduction to the ARM Cortex-M3 Processor Shyam Sadasivan October 2006 1. Introduction System-on-chip solutions based on ARM embedded processors address many different market segments including enterprise applications, automotive systems, home networking and wireless technologies. The ARM cortex family of processors provides a standard architecture to address the broad performance spectrum required by these diverse technologies. The ARM cortex family includes processors based on the three distinct profiles of the ARMv7 architecture; the A profile for sophisticated, high-end applications running open and complex operating systems; the R profile for real-time systems; and the M profile optimized for cost-sensitive and microcontroller applications.

The Cortex-M3 processor is the first ARM processor based on the ARMv7-M architecture and has been specifically designed to achieve high system performance in power- and cost-sensitive embedded applications, such as microcontrollers, automotive body systems, industrial control

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