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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] 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years 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 2 years ago
    • Interface
    • Interface forum
  • [FAQ] What Makes an I2C Buffer Hot-Swappable?

    Tyler Townsend
    Tyler Townsend
    Other Parts Discussed in Thread: TCA9511A FAQ: Logic and Voltage Translation > IxC >> What Makes an I2C Buffer Hot-Swappable ? Hot-Swap also known as Hot-Plug means the unpowered device can be inserted into a live backplane without disruption of service…
    • over 2 years ago
    • Interface
    • Interface forum
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  • Not Answered

    DP83869HM: Sporadic CRC errors between two DP83869 ports on the same board (short cable) - error rate decided at link training 0

    393 views
    13 replies
    Latest 5 days ago
    by Shane Hauser
  • Not Answered

    FPC402EVM: failed to download FPC402-DESIGN 0

    32 views
    1 reply
    Latest 5 days ago
    by Drew Miller1
  • Suggested Answer

    TCA39306: PACKAGE OUTLINE 0

    52 views
    2 replies
    Latest 5 days ago
    by Jason Trinh
  • Suggested Answer

    TXE8124: High-Speed GPIO Expansion via TXE8124 on TDA4VH 0

    36 views
    1 reply
    Latest 5 days ago
    by Joshua Salinas
  • Answered

    PCA9306: PCA9306 - Switch Configuration filter Cap 0

    67 views
    1 reply
    Latest 5 days ago
    by Jason Trinh
  • Suggested Answer

    DS90UB960-Q1: DS90UB960-Q1 Replicate mode for TX port 0 and port 1 is not working 0

    251 views
    13 replies
    Latest 5 days ago
    by Hamzeh Jaradat
  • Answered

    TLK2711-SP: Request for clarification regarding the TLK2711-SP Receiver Input Voltage Differential specification 0

    90 views
    3 replies
    Latest 5 days ago
    by Brian Zhou
  • Suggested Answer

    BQ79800EVM-093: BQ79800-Q1 need for external crystal 0

    41 views
    3 replies
    Latest 5 days ago
    by Michelle Williams
  • Answered

    TDP2004: S-parameter for TDP2004IRNQR 0

    43 views
    1 reply
    Latest 5 days ago
    by David (ASIC) Liu
  • Suggested Answer

    MAX3232E: MAX3232ECDR schematic review – DB9 and 3.5 mm stereo jack interfaces 0

    51 views
    1 reply
    Latest 5 days ago
    by Ethan White
  • Suggested Answer

    TCAN1473-Q1: TCAN1473-Q1: VCC supply current during -58 V bus fault on CANH / CANL 0

    37 views
    1 reply
    Latest 5 days ago
    by Michael Ikwuyum
  • Suggested Answer

    TCAN1051H: Gaihi hantei 0

    23 views
    1 reply
    Latest 5 days ago
    by Michael Ikwuyum
  • Not Answered

    DP83TC812S-Q1: SGMII change in word boundary alignment index during runtime causes loss of Eth communication 0

    68 views
    1 reply
    Latest 5 days ago
    by Yauheni Lapets
  • Not Answered

    DP83825I: Inquiry regarding DP83825IRMQT PHY 0

    48 views
    2 replies
    Latest 6 days ago
    by Kazuki Itoh
  • Answered

    DP83867IR: 1000 Base Compliance Test Mode 3 0

    76 views
    4 replies
    Latest 6 days ago
    by Akira Saitoh
  • Not Answered

    TPS65994AE: The issue for TPS66994 0

    51 views
    2 replies
    Latest 8 days ago
    by Prajith Cheerakkoda
  • Not Answered

    DP83869HM: Weak Pull Up/Weak Pull Down Pin-Out? 0

    37 views
    1 reply
    Latest 8 days ago
    by Gregory Kobyakov
  • Answered

    TXU0102: CPU UFS CLK (1.05V) to UFS(1.8V) 0

    134 views
    6 replies
    Latest 8 days ago
    by Sakthivel Ramesh
  • Answered

    MUX36S16: Unpower mux performance 0

    99 views
    6 replies
    Latest 8 days ago
    by Joseph Borrelli
  • Answered

    TMUX2889: Charge pump in tmux2889 0

    57 views
    1 reply
    Latest 8 days ago
    by Katy West
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