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Portable Electronics: World Class Designs
book

Portable Electronics: World Class Designs

by John Donovan
March 2009
Intermediate to advanced content levelIntermediate to advanced
576 pages
17h 24m
English
Newnes
Content preview from Portable Electronics: World Class Designs

Chapter 3. System-Level Approach to Energy Conservation

“System Level Approach to Energy Conservation” tells how the Big Boys do it—including Freescale, ARM, National, TI, Intel and Transmeta—and how you can, too, once you go out and buy a Power Management IC (PMIC), figure out how the System Power Management (SPM) Architectural Framework of the Mobile Industry Processor Interface (MIPI) Alliance works, and then build your portable design around it. Reading this chapter first, of course, is recommended.Here Shearer puts the various power management techniques that he introduced earlier into a system-level perspective. To implement dynamic voltage and frequency scaling (DVFS), for example, you need a hardware-aware software algorithm that drives ...

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Publisher Resources

ISBN: 9780080950839