Partial bit filter for usb interface

    公开(公告)号:US12124390B2

    公开(公告)日:2024-10-22

    申请号:US17680697

    申请日:2022-02-25

    IPC分类号: G06F13/38 G06F13/42

    摘要: Data communication devices, e.g., eUSB2 repeaters, include a partial bit filter to filter out a partial bit so it is not transmitted. The partial bit filter includes state-detection-and-hold circuitry having first and second differential signal inputs, a first output and a second output; logic circuitry having a first input coupled to the first output of the state-detection-and hold circuitry, and a second input coupled to the second output of the state-detection-and hold circuitry; and filter circuitry coupled to the logic circuitry and having a control output. The filter circuitry may be implemented as a latch or a network of flip flops. The output control signal of the partial bit filter may be applied to a transmitter in an eUSB2 repeater or to a pass-gate at the output of the transmitter.

    PARTIAL BIT FILTER FOR USB INTERFACE

    公开(公告)号:US20230111357A1

    公开(公告)日:2023-04-13

    申请号:US17680697

    申请日:2022-02-25

    IPC分类号: G06F13/38 G06F13/42

    摘要: Data communication devices, e.g., eUSB2 repeaters, include a partial bit filter to filter out a partial bit so it is not transmitted. The partial bit filter includes state-detection-and-hold circuitry having first and second differential signal inputs, a first output and a second output; logic circuitry having a first input coupled to the first output of the state-detection-and hold circuitry, and a second input coupled to the second output of the state-detection-and hold circuitry; and filter circuitry coupled to the logic circuitry and having a control output. The filter circuitry may be implemented as a latch or a network of flip flops. The output control signal of the partial bit filter may be applied to a transmitter in an eUSB2 repeater or to a pass-gate at the output of the transmitter.