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    BI-LEVEL ADAPTIVE EQUALIZER
    1.
    发明申请
    BI-LEVEL ADAPTIVE EQUALIZER 有权

    公开(公告)号：US20210075650A1

    公开(公告)日：2021-03-11

    申请号：US16778955

    申请日：2020-01-31

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Amit RANE ,  Charles Michael CAMPBELL ,  Suzanne Mary VINING

    IPC: H04L25/03 ,  H04L7/00

    Abstract: At least some aspects of the present disclosure provide for a method. In at least one examples, the method includes applying first equalization to a received data signal to generate an equalizer signal and comparing the equalized signal to each of a plurality of reference voltages for a predetermined period of time per respective reference voltage to generate a comparison result. The method further includes determining a plurality of counts with each count of the plurality of counts uniquely corresponding to a number of rising edges in the comparison result for each of the plurality of reference voltages. The method further includes comparing at least one of the plurality of counts to at least another of the plurality of counts to determine a relationship among the plurality of counts and applying second equalization to the received data signal based on the determined relationship among the plurality of counts.

    CONFIGURABLE SERIAL COMMUNICATION HUB
    3.
    发明申请
    CONFIGURABLE SERIAL COMMUNICATION HUB 有权
    可配置串行通信总线

    公开(公告)号：US20160371206A1

    公开(公告)日：2016-12-22

    申请号：US15186076

    申请日：2016-06-17

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Win Naing MAUNG ,  Charles Michael CAMPBELL ,  Suzanne Mary VINING

    IPC: G06F13/20 ,  G06F13/42 ,  G06F13/10

    CPC classification number: G06F13/20 ,  G06F13/102 ,  G06F13/4282 ,  Y02D10/14 ,  Y02D10/151

    Abstract: An apparatus and method for configuring a serial communication hub are disclosed herein. A serial communication hub includes an upstream port, a plurality of downstream ports, and a port controller. The port controller is configured to: arrange each of a first of the downstream ports and a second of the downstream ports to individually operate as a first type of serial communication interface; and to arrange the first of the downstream ports and the second of the downstream ports to operate in combination as a second type of serial communication interface.

    Abstract translation: 本文公开了一种用于配置串行通信集线器的装置和方法。 串行通信集线器包括上行端口，多个下行端口和端口控制器。 端口控制器被配置为：排列第一下游端口中的每一个和下游端口中的第二个单独地作为第一类型的串行通信接口操作; 并且将第一下游端口和第二下游端口配置为组合作为第二类型的串行通信接口。

    REDRIVER CAPABLE OF SWITCHING BETWEEN LINEAR AND LIMITED MODES
    4.
    发明申请
    REDRIVER CAPABLE OF SWITCHING BETWEEN LINEAR AND LIMITED MODES 有权

    公开(公告)号：US20220150445A1

    公开(公告)日：2022-05-12

    申请号：US17363158

    申请日：2021-06-30

    Applicant: Texas Instruments Incorporated

    Inventor： Charles Michael CAMPBELL ,  Mustafa Ulvi ERDOGAN ,  Douglas Edward WENTE ,  Sridhar RAMASWAMY

    IPC: H04N7/10 ,  H04N21/4363 ,  H04N21/442

    Abstract: A redriver system adapted for coupling to a first device and to a second device includes first and second transmitter drivers and a snoop circuit. The first transmitter driver has a first enable input. The second transmitter driver has a second enable input. The snoop circuit is coupled to the first and second enable inputs. The snoop circuit is configured to determine whether the first device and the second device are to operate according to a first protocol. Responsive to the snoop circuit determining that the first and second devices are to operate according to the first protocol, the snoop circuit enables the first transmitter driver and disables the second transmitter driver. Responsive to the snoop circuit determining that the first and second devices are not to operate according to the first protocol, the snoop circuit disables the first transmitter driver and enables the second transmitter driver.

    ADAPTIVE EQUALIZER FOR REDRIVER
    6.
    发明申请
    ADAPTIVE EQUALIZER FOR REDRIVER 有权

    公开(公告)号：US20230061303A1

    公开(公告)日：2023-03-02

    申请号：US18046716

    申请日：2022-10-14

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Suzanne Mary VINING ,  Amit S. RANE ,  Charles Michael CAMPBELL

    IPC: H04L25/03

    Abstract: A system for selecting an equalizer setting of an equalizer to equalize signals received via a communications link. Starting with a first (e.g., minimum) equalizer setting and a threshold voltage near the mid-eye voltage of the equalized output signal, the system estimates the amplitude of the inner eye of the equalized output signal by comparing the equalized output signal to a series of threshold voltages. If the amplitude of the equalized output signal is less than ideal, the system dynamically increases the equalizer setting. The system quickly converges on the equalizer setting for the communication link because, rather than comparing the output signal at every voltage offset using every equalizer setting, the system only evaluates the equalizer settings necessary to select the equalizer setting for the communications link and uses only the voltage offsets necessary to evaluate each equalizer setting.

    ADAPTIVE EQUALIZER FOR REDRIVER
    7.
    发明申请
    ADAPTIVE EQUALIZER FOR REDRIVER 有权

    公开(公告)号：US20220094577A1

    公开(公告)日：2022-03-24

    申请号：US17402118

    申请日：2021-08-13

    Applicant: Texas Instruments Incorporated

    Inventor： Suzanne Mary VINING ,  Amit S. RANE ,  Charles Michael CAMPBELL

    IPC: H04L25/03

    Abstract: A system for selecting an equalizer setting of an equalizer to equalize signals received via a communications link. Starting with a first (e.g., minimum) equalizer setting and a threshold voltage near the mid-eye voltage of the equalized output signal, the system estimates the amplitude of the inner eye of the equalized output signal by comparing the equalized output signal to a series of threshold voltages. If the amplitude of the equalized output signal is less than ideal, the system dynamically increases the equalizer setting. The system quickly converges on the equalizer setting for the communication link because, rather than comparing the output signal at every voltage offset using every equalizer setting, the system only evaluates the equalizer settings necessary to select the equalizer setting for the communications link and uses only the voltage offsets necessary to evaluate each equalizer setting.

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