About this book

This book is a generic user guide for devices that implement the ARM Cortex-M4 processor. Implementers of Cortex-M4 designs make a number of implementation choices, that can affect the functionality of the device. This means that, in this book:

In this book, unless the context indicates otherwise:

Processor

Refers to the Cortex-M4 processor, as supplied by ARM.

Device

Refers to an implemented device, supplied by an ARM partner, that incorporates a Cortex-M4 processor. In particular, your device refers to the particular implementation of the Cortex-M4 that you are using. Some features of your device depend on the implementation choices made by the ARM partner that made the device.

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