Methods and apparatus for generating high-frequency clocks deterministically from a low-frequency system reference clock
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United States of America Patent
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Nov 2, 2004
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app pub date -
Sep 20, 2000
filing date -
Sep 20, 2000
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Abstract
A method and apparatus for maintaining clock phase alignment among system modules of a fault-tolerant computing system. In one embodiment, a low-frequency system reference clock signal is distributed to all system modules where it is multiplied to generate higher-frequency local clock signals. All local clock signals are then synchronized to the rising edge of the reference clock signal and the first rising edge in relation to a timing event is also identified.
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