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Clock generation and distribution in an emulation system

  • US 6,934,674 B1
  • Filed: 09/24/1999
  • Issued: 08/23/2005
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Term
First Claim
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1. A method for clock generation and distribution in an emulation system comprising:

  • generating a derived clock signal from a look up table, wherein an index to the look up table is generated by counting cycles of a base clock signal;

    stopping emulation by stopping the base clock signal, wherein the index to the look up table is stopped at a stopping point in a clock cycle of the derived clock signal and the derived clock signal does not continue to a subsequent transition before stopping; and

    resuming emulation by resuming the base clock signal, wherein the derived clock signal is resumed at the stopping point in the clock cycle of the derived clock signal.

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