公开(公告)号：US20200242071A1

公开(公告)日：2020-07-30

申请号：US16751411

申请日：2020-01-24

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Win Naing MAUNG ,  Suzanne Mary VINING ,  Yonghui TANG ,  Douglas Edward WENTE ,  Huanzhang HUANG

IPC: G06F13/42

Abstract: A serial bus signal conditioner circuit includes receiver circuitry, a mode identification circuit, and an edge-rate booster circuit. The receiver circuitry is configured to receive signals transmitted on a serial bus. The mode identification circuit is coupled to the receiver circuitry, and is configured to identify initiation of or return to high-speed signaling on the serial bus based on sequences of the signals transmitted on the serial bus. The edge-rate booster circuit is coupled to the mode identification circuit, and is configured to identify edges of a differential signal transmitted on the serial bus, and to supply a differential current to the serial bus based on identification of an edge of the differential signal.

公开(公告)号：US20150358011A1

公开(公告)日：2015-12-10

申请号：US14725001

申请日：2015-05-29

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Yonghui TANG ,  MD Anwar SADAT ,  Hao LIU

IPC: H03K5/1534 ,  H03K19/003 ,  G06F13/40 ,  H03K5/26

CPC classification number: H03K5/1534 ,  H03K5/26 ,  H03K6/04 ,  H03K19/00315

Abstract: A signal conditioner that includes a transition-detection module and a current-injection module. The transition-detection module is configured to receive a pair of differential signals from a data line and generate one or more comparator output signals and a transition-indication signal to indicate whether a transition has been detected on the differential signals. The current-injection module is configured to receive the comparator output signals and transition-indication signal from the transition-detection module, and generate appropriate currents for injection into the data line to boost edge rates of the differential signals when the transition-detection module detects a transition of the differential signals or remain high impedance when no transition occurs on the differential signals.

Abstract translation: 一种包括转换检测模块和电流注入模块的信号调节器。 转换检测模块被配置为从数据线接收一对差分信号，并生成一个或多个比较器输出信号和转移指示信号，以指示是否在差分信号上检测到转换。 电流注入模块被配置为从转换检测模块接收比较器输出信号和转换指示信号，并且当转换检测模块检测到时，产生用于向数据线注入的适当电流以提高差分信号的边沿速率 在差分信号上不发生转换时，差分信号的转换或保持高阻抗。