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Reference ARM® document on the Cortex®-M0 and Cortex-M0+ processors

ARMv6-M architecture reference manual
This is the specification of the architecture on which Cortex-M0 and Cortex-M0+ processors are based. It contains detailed information about the instruction set, architecture-defined behaviors, etc. This document can be accessed via the ARM Web site after a simple registration process.
Cortex-M0 devices Generic user Guide
This is a user guide written for sof...