Extend Battery Life Using Programmable Clock Technology

Richmond, Greg
January 2008
Portable Design;Jan2008, Vol. 14 Issue 1, p30
The article discusses the significance of a programmable clock generator in improving power profile by a variety of methods. System clock signals are traditionally supplied by discrete oscillators or by crystals that are connected to Application-Specific Integrated Circuits (ASICs) having integrated crystal oscillators. But the silicon clock generator is much more important than mechanical crystal resonators because it can reduce the system power through its ability to minimize the average system frequency. It is also essential to use a voltage matching technology in minimizing signal swing and impedance matching to minimize line ringing. It is also recommended that safe limits should also be verified by increasing the frequency range and slew rate of system failure.


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