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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
242
www.newnespress.com
Chapter 7
Power supply stability can be assured either by a time delay or by an analog
measurement. Use of a time delay is risk
y, since there will always be a desire to
implement the minimum possible delay for enhanced processor response time.
Open-loop operation is simplifi ed by creating an APC module to off-load the voltage
scaling and clock management from the processor. The APC approach supports a
common software API allowing the DVS function to be easily accessed by applications
or the operating system. Providing a standard interface to the external power supply
also simplifi es system design and facilitates second-source ...
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Publisher Resources

ISBN: 9780750679589