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Combination of control interfaces for multiple communicating domains

  • US 10,452,110 B2
  • Filed: 03/17/2017
  • Issued: 10/22/2019
  • Est. Priority Date: 03/18/2016
  • Status: Active Grant
First Claim
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1. A machine-implemented combiner state machine for controlling a cross domain component in a system of two or more power domain controls, said combiner comprising:

  • a first state logic for requesting cross domain component quiescence when a first control requests quiescence; and

    a second state logic for ensuring cross domain component quiescence before accepting the first control quiescence request; and

    said combiner being operable, when a second control has entered a quiescence request state after a first control quiescence request, to cause the second control to remain in the quiescence request state until the first control and component quiescence request has been accepted or denied.

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