Repeater frequency tracking
AssigneeNXP USA, Inc.
InventorsUgo Mari, Steven Daniel, Andrea Mineo, Massimo Sorbera
Life of this patent
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Abstract
Embodiments of a repeater, an embedded Universal Serial Bus (eUSB) repeater, and a method of operating a repeater are disclosed. In an embodiment, a repeater includes a frequency correction accumulator configured to generate a combined frequency correction based on a first frequency correction for compensating a mismatch between an input clock of a data source and a local transmitter clock and a second frequency correction for compensating a mismatch between the local transmitter clock and a local receiver clock and an adjustable timer configured to apply the combined frequency correction to regenerate an input data stream.
Claims20
A repeater comprising:
- a frequency correction accumulator configured to generate a combined frequency correction based on a first frequency correction for compensating a mismatch between an input clock of a data source and a local transmitter clock and a second frequency correction for compensating a mismatch between the local transmitter clock and a local receiver clock;
- and
- an adjustable timer configured to apply the combined frequency correction to regenerate an input data stream.
An embedded Universal Serial Bus (eUSB) repeater comprising:
- a frequency correction accumulator configured to combine a first frequency correction for compensating a mismatch between an input clock of a data source and a local transmitter clock and a second frequency correction for compensating a mismatch between the local transmitter clock and a local receiver clock to generate a combined frequency correction;
- and
- an adjustable timer configured to apply the combined frequency correction to regenerate an input data stream, wherein the regenerated input data stream has same data rate as the data source.
A method of operating a repeater, the method comprising:
- generating a combined frequency correction based on a first frequency correction for compensating a mismatch between an input clock of a data source and a local transmitter clock and a second frequency correction for compensating a mismatch between the local transmitter clock and a local receiver clock;
- and
- applying the combined frequency correction to regenerate an input data stream.
Dependencies are inferred from the claim text.