Importance

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Abstract

In one embodiment, a peripheral device includes an oscillator, a counter to be driven by the oscillator and provide a peripheral device counter value, and processing circuitry to receive a host device counter value from a host device, read host device clock translation parameters from a host memory of the host device, the host device clock translation parameters providing translation between the host device counter value and a host device clock time, read peripheral device clock translation parameters providing a translation between the peripheral device counter value and a peripheral device clock time, read the peripheral device counter value, compute a clock correction as a function of a difference between the host device clock time and the peripheral clock time, based on the host device and peripheral device counter values and clock translation parameters, and correct the host device or peripheral device clock translation parameters based on the clock correction.

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First Claim