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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

    DP83822IF: Auto Negotiation always failed 0 Locked

    1803 views
    5 replies
    Latest over 6 years ago
    by Geet Modi
  • Suggested Answer

    DS90UB949-Q1: Register configuration 0 Locked

    316 views
    1 reply
    Latest over 6 years ago
    by Steven(Shenzhen) Shi
  • Suggested Answer

    DS90UB954-Q1: DS90UB954-Q1 support ISO26262 ASIL B spec.? 0 Locked

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    1 reply
    Latest over 6 years ago
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  • Suggested Answer

    TPS65981: TPS65981: schematic review 0 Locked

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  • Answered

    TPS65982: TPS65982 layout guide 0 Locked

    279 views
    3 replies
    Latest over 6 years ago
    by Rahul Sharma16
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    DS90UB953-Q1: Which register need to be configured ? 0 Locked

    378 views
    2 replies
    Latest over 6 years ago
    by aggil liang
  • Suggested Answer

    DS90UB925Q-Q1: YUV for 925 input, 910 output 0 Locked

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    3 replies
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    by Steven(Shenzhen) Shi
  • Answered

    DS90UB954: Help to check if the drawing is correct or not? 0 Locked

    264 views
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    Latest over 6 years ago
    by Darwin Wang
  • Suggested Answer

    SN75DPHY440SS: Black screen? 0 Locked

    873 views
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    by David (ASIC) Liu
  • Not Answered

    TUSB544: VCC would leakage 1.5V as cable and monitor plug in. 0 Locked

    449 views
    2 replies
    Latest over 6 years ago
    by David (ASIC) Liu
  • Answered

    TUSB8044: USB SS pinout of a USB Host 0 Locked

    330 views
    1 reply
    Latest over 6 years ago
    by Brian Zhou
  • Suggested Answer

    USB3.0 redriver recommended 0 Locked

    536 views
    1 reply
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    by Brian Zhou
  • Suggested Answer

    TUSB217-Q1: TUSB217-Q1 final mass production 0 Locked

    483 views
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    Latest over 6 years ago
    by Brian Zhou
  • Suggested Answer

    DS90UB921-Q1EVM: How to turn on the pattern gen? 0 Locked

    675 views
    1 reply
    Latest over 6 years ago
    by Vishy Viswanathan
  • Suggested Answer

    DS90UB953-Q1EVM: how to configure DS90UB953-Q1EVM output 1080p image data 0 Locked

    441 views
    3 replies
    Latest over 6 years ago
    by Vishy Viswanathan
  • Answered

    DS90UB913A-Q1: Could not establish BCC (i2c) communication between the 913 and 914 on the Spectrum Digital kits 0 Locked

    1578 views
    13 replies
    Latest over 6 years ago
    by eleceng88_canada
  • Suggested Answer

    PCA9517: PCA9517/TCA9517 Level-Translating I2C Bus solution asking 0 Locked

    992 views
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    Latest over 6 years ago
    by BOBBY
  • Suggested Answer

    DS90UB954-Q1: Dual Output Format 0 Locked

    275 views
    1 reply
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    by Steven(Shenzhen) Shi
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    LMH1297: Request for information 0 Locked

    196 views
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    Latest over 6 years ago
    by Nasser Mohammadi
  • Answered

    DS90UB953: Help to check if the drawing is correct or not? 0 Locked

    204 views
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    Latest over 6 years ago
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