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Switching activity reduced coding for low-power digital signal processing circuitry
Switching activity reduced coding for low-power digital signal processing circuitry
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机译:开关活动减少了低功耗数字信号处理电路的编码
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摘要
A system and method for reducing power consumption in digital circuitry by reducing the amount of unnecessary switching in such circuitry. An aspect of the present invention provides a switching-reduction circuit that outputs a signal to a subsequent digital circuit. The value of the signal may depend on the relevance of the signal value to a next output of the subsequent digital circuit. A method according to various aspects of the present invention includes receiving a next input signal. The method further includes determining whether the next input signal may be relevant to a next output of a subsequent digital circuit. The method further includes providing the next input signal to the subsequent digital circuit when the next input signal may be relevant to the next output of the subsequent digital circuit, and providing a previous signal to the subsequent digital circuit when the next input signal will not be relevant to the next output of the subsequent digital circuit.
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