ARM Technical Support Knowledge Articles

Does Cortex-M3 Support Coprocessors?

Applies to: Cortex-M3

Answer

The ARMv7-M architecture does support coprocessors, however the Cortex-M3 core does not support coprocessors. If you attempt to execute a coprocessor instruction on a Cortex-M3, it will generate a NO CoProcessor (NOCP) fault.

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