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Interface

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Interface forum

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Texas Instruments (TI) Interface support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search interface IC content or ask technical support questions on everything from ESD protection to interfacing with USB, Ethernet, and HDMI. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] ETHERNET Master FAQ

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Part Number: ETHERNET-SW Tool/software: This Master FAQ lists serves as a point of reference to find all FAQs made by TI's Ethernet Team. Standard Ethernet How do I choose magnetics for my industrial PHY? TI Ethernet PHY Capacitive Coupling…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83TG720S-Q1: How to maximize temperature sensor accuracy

    David Creger
    David Creger
    Part Number: DP83TG720S-Q1 Tool/software: Section 7.3.1.4 of the datasheet outlines the procedure to use the inbuilt temperature sensor in the DP83TG720 PHY. In order to maximize accuracy, please ensure the following: Sample "temperature_output_code…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83867E: What is required for RGMII Input Timing?

    Gerome Cacho
    Gerome Cacho
    Part Number: DP83867E Tool/software: For DP83867, and all RGMII PHYs within our portfolio, all pins marked with TX prefix (TX_D0-3, TX_EN, TX_CLK) are inputs to the PHY when operating in RGMII. The only timing specifications that are required for…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] TCAL9539-Q1: What I2C IO Expanders Support Q1 Grade?

    Tyler Townsend
    Tyler Townsend
    FAQ: Logic and Voltage Translation > IxC >> What I2C IO Expanders Support Automotive Grade 1? There are a total of 3 to date. TCAL9539-Q1 - 16-bit, 1.08V to 3.6V I2C IO Expander, single supply, interrupt, reset, Agile I/O Configuration TCA6408A…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] I2C IO Expander Schematic Checklist

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575 FAQ: Logic and Voltage Translation > IxC >> I2C IO Expander Schematic Checklist IO Expander Checklist …
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is the Auto Increment Feature in I2C IO Expanders?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA6424A FAQ: Logic and Voltage Translation > IxC >> What is the Auto Increment Feature in I2C IO Expanders? The auto-increment feature of I2C IO Expanders is when the registers of the device automatically increment…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is PassFET Hang Time?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA39306 FAQ: Logic and Voltage Translation > IxC >> What is PassFET Hangtime? To understand what passFET hangtime is, we need to define what a passFET is. A passFET is a transistor where the drain and source terminals…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] TCAN1057A-Q1: why is the CAN Mosfet and Diode used

    Cicely Tang
    Cicely Tang
    Part Number: TCAN1057A-Q1 Tool/software: Hello experts! I have a question about the purpose of the Mosfet and diode in CAN interface? Further,How does CAN implement arbitration and error correction functions through hardware?
    • Answered
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83822HF: How does power up sequence affect PHY operation?

    Gerome Cacho
    Gerome Cacho
    Part Number: DP83822HF Tool/software: For DP83822, there is a guidance where AVD and VDDIO must not exceed 0.3V prior to complete supply ramp, with an additional footnote suggesting AVD to ramp up after VDDIO to avoid false detection of VDDIO. False detection…
    • over 1 year ago
    • Interface
    • Interface forum
  • [FAQ] What is Stuck Bus Recovery?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA4307 FAQ: Logic and Voltage Translation > IxC >> What is Stuck Bus Recovery? Stuck Bus Recovery is a mechanism built into an I2C device that automatically attempts to free the SDA bus during a stuck LOW condition…
    • over 1 year ago
    • Interface
    • Interface forum
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  • Not Answered

    DP83869HM: No Ping and No Data Communication But PHY is able to auto Negotiate 0 Locked

    289 views
    1 reply
    Latest over 1 year ago
    by Alvaro (Al-vuh-roe) Reyes
  • Answered

    DP83826E: Changing and Retrieving MAC Address 0 Locked

    369 views
    2 replies
    Latest over 1 year ago
    by Masashi Suzuki
  • Answered

    DS320PR1601: eye diagram test fail 0 Locked

    537 views
    7 replies
    Latest over 1 year ago
    by David Waier
  • Suggested Answer

    TUSB8020B-Q1: #TUSB8020B #Not detected #Power issue 0 Locked

    312 views
    2 replies
    Latest over 1 year ago
    by Brian Zhou
  • Suggested Answer

    SN65DSI86: Interfacing between low resolution processor with high resolution screen 0 Locked

    360 views
    5 replies
    Latest over 1 year ago
    by Vishesh Pithadiya
  • Not Answered

    TCAN1465-Q1: CAN message: Cyclic vs Cyclic On Change 0 Locked

    552 views
    1 reply
    Latest over 1 year ago
    by Eric Hackett
  • Answered

    DS90UB929-Q1: AV mute solution 0 Locked

    1068 views
    22 replies
    Latest over 1 year ago
    by Ikram Haque
  • Suggested Answer

    DS90C187: Datasheet clarification 0 Locked

    333 views
    2 replies
    Latest over 1 year ago
    by Jonathan Navor
  • Answered

    SN65HVD10: Temperature ratings of Q and non-Q version 0 Locked

    321 views
    4 replies
    Latest over 1 year ago
    by Jason Nguyen
  • Answered

    SN65LBC180: Voltage spike during transmit to receive transition 0 Locked

    865 views
    21 replies
    Latest over 1 year ago
    by BOBBY
  • Suggested Answer

    SN65DSI86: Question about SN65DSI86 0 Locked

    849 views
    13 replies
    Latest over 1 year ago
    by Vishesh Pithadiya
  • Suggested Answer

    TUSB211A-Q1: Signal integrity 0 Locked

    750 views
    9 replies
    Latest over 1 year ago
    by Ryan Kitto
  • Answered

    DS90UB971-Q1: Faster interface MIPI CSI-2 serializer 0 Locked

    317 views
    1 reply
    Latest over 1 year ago
    by Hamzeh Jaradat
  • Not Answered

    DP83TC812S-Q1: The sgmii Link up cannot be ping 0 Locked

    405 views
    1 reply
    Latest over 1 year ago
    by Melissa Chang
  • Not Answered

    DP83TC811-Q1: Errata documents 0 Locked

    242 views
    1 reply
    Latest over 1 year ago
    by Melissa Chang
  • Not Answered

    DP83TC812R-Q1: Errate documents 0 Locked

    256 views
    1 reply
    Latest over 1 year ago
    by Melissa Chang
  • Suggested Answer

    DP83TG720S-Q1: The chip supports SGMII and RGMII. Which is active by default? 0 Locked

    388 views
    3 replies
    Latest over 1 year ago
    by Melissa Chang
  • Suggested Answer

    FPC402: SCL stuck for more than 300ms issue after hot-plug of SFP56 0 Locked

    478 views
    13 replies
    Latest over 1 year ago
    by Nasser Mohammadi
  • Suggested Answer

    THVD1454: Termination Resistance - State during VCC off 0 Locked

    193 views
    1 reply
    Latest over 1 year ago
    by Parker Dodson
  • Answered

    TRS3221E: Layout trace length of TRS3221E 0 Locked

    558 views
    13 replies
    Latest over 1 year ago
    by Parker Dodson
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