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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

    SN65DSI83: About Differential Pairs of Layout Guidelines 0 Locked

    176 views
    2 replies
    Latest over 5 years ago
    by Hide
  • Suggested Answer

    TPS65988: Unable to Program via Application Customization Tool over I2C 0 Locked

    1463 views
    13 replies
    Latest over 5 years ago
    by Darren DeBattista1
  • Answered

    TPS65988DJ: TPS65988DJ functional question 0 Locked

    528 views
    4 replies
    Latest over 5 years ago
    by Darren DeBattista1
  • Answered

    TFP401A: T_J 0 Locked

    411 views
    5 replies
    Latest over 5 years ago
    by Ikechukwu Anyiam
  • Not Answered

    TPS65982BB: No Vbus on tapex-creek's type-a output by using TPS65988DJ + TPS55288 0 Locked

    649 views
    3 replies
    Latest over 5 years ago
    by Gary Teng
  • Answered

    TUSB4020BI: About accuracy of resistor value of USB_R1 and USB_VBUS pins 0 Locked

    273 views
    4 replies
    Latest over 5 years ago
    by Hide
  • Answered

    DS90UB953A-Q1: Is there any method to check if DS90UB953A-Q1 can receive the data that I sent from MIPI CSI-2 TX? 0 Locked

    379 views
    2 replies
    Latest over 5 years ago
    by xinxin wang1
  • Answered

    TCAN4550: The leakage current of Vio. 0 Locked

    310 views
    6 replies
    Latest over 5 years ago
    by Kengo.Y
  • Suggested Answer

    SN65LVDS93B: About How to Bridge HDMI/DVI to LVDS/OLDI 0 Locked

    2102 views
    4 replies
    Latest over 5 years ago
    by Aaron Heng
  • Answered

    TCA9554A: How to correctly config standby mode ,all I/O need to config as input? 0 Locked

    1590 views
    10 replies
    Latest over 5 years ago
    by Miguel Robertson
  • Not Answered

    Compiler/TCA9539: TCA9539 DT sysfs entries for gpio missing 0 Locked

    437 views
    1 reply
    Latest over 5 years ago
    by Miguel Robertson
  • Answered

    DP83869HM: DC Resistance on VDD1P1 pins is only about 300 ohm, is that right? 0 Locked

    260 views
    3 replies
    Latest over 5 years ago
    by Yansheng Yue
  • Suggested Answer

    SN65DSI84: schematic check 0 Locked

    203 views
    1 reply
    Latest over 5 years ago
    by Ikechukwu Anyiam
  • Suggested Answer

    DP83822IF: Link statues discussion 0 Locked

    634 views
    5 replies
    Latest over 5 years ago
    by Lin_Charles
  • Answered

    TUSB2046B: USB Radiated Emissions 0 Locked

    1094 views
    3 replies
    Latest over 5 years ago
    by JMMN
  • Suggested Answer

    DS90UB913Q-Q1: Internal pulldown value 0 Locked

    332 views
    3 replies
    Latest over 5 years ago
    by Nicholas Darash
  • Answered

    TPS65987D: Connecting PP_HV1 and PP_HV2 paths together as a sink? 0 Locked

    234 views
    3 replies
    Latest over 5 years ago
    by Hari Patel1
  • Suggested Answer

    TPS65987D: 20V/5A USB-PD Power Source only 0 Locked

    669 views
    4 replies
    Latest over 5 years ago
    by Hari Patel1
  • Suggested Answer

    TPD2S300: CC pins behavior when occuring voltage drop on VPWR and VM pins 0 Locked

    251 views
    2 replies
    Latest over 5 years ago
    by Adam Mc Gaffin
  • Suggested Answer

    TPS25750EVM: USB communication testing combined with PD 0 Locked

    201 views
    1 reply
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    by Adam Mc Gaffin
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