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Apparatus And Method For Frequency Detection

  • US 20150110290A1
  • Filed: 10/13/2014
  • Published: 04/23/2015
  • Est. Priority Date: 10/21/2013
  • Status: Active Grant
First Claim
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1. An application specific integrated circuit (ASIC) coupled to an acoustic device, the ASIC comprising:

  • at least one operational block;

    a frequency detection block, the frequency detection block configured to receive an input clock signal, determine the frequency of the input clock signal, the frequency indicative of one of a plurality of operational modes of the ASIC, the frequency detection block further configured to based upon the determined frequency, change an amount current provided to the at least one operational block.

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