Detector circuit for start signaling in an eUSB repeater
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United States of America Patent
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Aug 27, 2024
Grant Date -
Jun 6, 2024
app pub date -
Dec 1, 2022
filing date -
Dec 1, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A detector circuit is described for start signaling in an eUSB repeater. In an example, a circuit includes an analog differential transceiver configured to receive a differential data signal from a differential data bus and configured to drive a differential data signal to the differential data bus, an analog single-ended transceiver configured to receive a single-ended data signal from a single-ended data bus and configured to drive a single-ended data signal to the single-ended data bus, repeater logic coupled to the analog differential transceiver and the analog single-ended transceiver to repeat data signals between the differential data bus and the single-ended data bus, the repeater logic having an active state and a low power state, and a detection circuit coupled to the analog single-ended transceiver to detect a start signal on the single-ended data bus and to generate a wake signal to the repeater logic upon detecting the start signal.
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