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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] 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
  • [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 1 year ago
    • Interface
    • Interface forum
  • [FAQ] DP83867E & DP83869HM: Expected Back-Powering on Power Supply Pins

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Part Number: DP83867E DP83869HM Other Parts Discussed in Thread: DP83869HM Tool/software: The following FAQ applies to the DP83869HM and all versions of the DP83867: E/IS/CS/IR/CR The Analog Supply pins (VDDA2P5 & VDDA1P8) power the MDI portion…
    • over 1 year ago
    • Interface
    • Interface forum
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  • Answered

    TL851: Trying to find out what these 2 ICs are. 0 Locked

    152 views
    1 reply
    Latest 7 months ago
    by Clemens Ladisch
  • Answered

    DS90UB983-Q1: Can I get the documents for development? 0 Locked

    379 views
    3 replies
    Latest 7 months ago
    by Chase Jeong
  • Answered

    DP83826I: Ethernet PHY Hot-plug Issue - No IP Acquisition on Phytec STM32MP1 SoM 0 Locked

    248 views
    4 replies
    Latest 7 months ago
    by Batuhan Kaya
  • Answered

    SN75DP159: SN75DP159 there no output video signals 0 Locked

    219 views
    8 replies
    Latest 7 months ago
    by naftali sabag
  • Answered

    ONET1151P: Wiring questions 0 Locked

    150 views
    2 replies
    Latest 7 months ago
    by dev
  • Suggested Answer

    DS90UB935-Q1: [Baolong] 0x1C default value 0 Locked

    130 views
    1 reply
    Latest 7 months ago
    by Hamzeh Jaradat
  • Suggested Answer

    DS90UH983-Q1: inquiry 0 Locked

    110 views
    1 reply
    Latest 7 months ago
    by Ikram Haque
  • Suggested Answer

    DP83867IS: FSU,duplex communication 0 Locked

    208 views
    3 replies
    Latest 7 months ago
    by Evan Mayhew
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    TCA9535: TCA9535 button readout via i2c interface. 0 Locked

    279 views
    6 replies
    Latest 7 months ago
    by Tyler Townsend
  • Answered

    TCAN4550-Q1: Problems writing to control register 0 Locked

    242 views
    7 replies
    Latest 7 months ago
    by Jonathan Nerger
  • Suggested Answer

    SN75LVPE5421: SN75LVPE5421 0 Locked

    237 views
    7 replies
    Latest 7 months ago
    by David Waier
  • Suggested Answer

    DS90UB954-Q1: Power distribution details per pin 0 Locked

    256 views
    10 replies
    Latest 7 months ago
    by Glenn Uranga
  • Answered

    TCAN1145-Q1: start-up time 0 Locked

    113 views
    1 reply
    Latest 7 months ago
    by Sean Guo
  • Not Answered

    DS90UB954-Q1: Issue with Video Device Node (/dev/videoX) Generation for Stereo Capture Using TI Sensors 0 Locked

    328 views
    3 replies
    Latest 7 months ago
    by Darrah Merillat
  • Suggested Answer

    TCAN1145-Q1: SWE when VSUP is undervoltage 0 Locked

    117 views
    1 reply
    Latest 7 months ago
    by Sean Guo
  • Suggested Answer

    DS280DF810: The firmware for DS280DF810 0 Locked

    356 views
    16 replies
    Latest 7 months ago
    by Drew Miller1
  • Suggested Answer

    DP83825I: ESD testing issue and recommendations 0 Locked

    215 views
    3 replies
    Latest 7 months ago
    by Gerome Cacho
  • Answered

    DS250DF230EVM: BOM list 0 Locked

    122 views
    1 reply
    Latest 7 months ago
    by Drew Miller1
  • Suggested Answer

    TPD4S010: TPD4S010DQAR (Our ref. S/O 334998) 0 Locked

    99 views
    1 reply
    Latest 7 months ago
    by McKenzie Eaker
  • Suggested Answer

    SN65DSI84: SN65DSI84ZXHR Ref Schematic and Layout files 0 Locked

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    by David (ASIC) Liu
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