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Power Management in Mobile Devices
book

Power Management in Mobile Devices

by Findlay Shearer
April 2011
Intermediate to advanced content levelIntermediate to advanced
336 pages
13h 59m
English
Newnes
Content preview from Power Management in Mobile Devices
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www.newnespress.com
System-Level Approach to Energy Conservation
not. These techniques are employed to control a power manager that drives the hardware
po
wer-saving mechanisms using software drivers and power handlers in the operating system.
7.3.1 Dynamic Frequency Scaling
System-on-chip (SoC) dynamic power consumption is proportional to operating frequency.
It makes sense to lower the clock frequency of a processor to the lowest value that still meets
the required processing performance. Although the software runs more slowly, it still meets
its real-time deadlines with acceptable margins. This is performed dynamically and requires
special ...
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Publisher Resources

ISBN: 9780750679589