Interrupts

Understanding Cortex-M3 Concepts

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Understanding Cortex-M3 Concepts

Work Mode Thread mode: This mode is active when the processor is reset or exits from an exception. Code in this mode can be either privileged or user code, controlled by CONTROL[0]. Handler mode: This mode is entered when an exception (including interrupts) occurs, with all code having privileged access. Code Privileges Privileged access: Full … Read more

Key Concepts of Cortex-M3

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Key Concepts of Cortex-M3

Operating Modes Thread mode: This mode is active when the processor is reset or exits from an exception. The code in this mode can be either privileged or user code, controlled by CONTROL[0]. Handler mode: This mode is entered when an exception (including interrupts) occurs, and all code in this mode has privileged access. Code … Read more