A worldwide community of ARM developers in semiconductor and product design companies includes software developers, system designers and hardware engineers. This book provides a comprehensive picture of the operation of the ARM core from the perspective of the developer with a clear emphasis on software. This book covers both the ARM and Thumb instruction sets, covers Intel's XScale Processors, outlines the differences between versions of the ARM architecture, shows how to implement DSP algorithms, explains exception and interrupt handling, describes the cache technologies that surround the ARM cores as well as engineering the most efficient memory management . * No other book describes the ARM core of the system and software perspective. * The author of the software engineering team combines extensive experience with the ARM-depth knowledge of ARM developer needs.