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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

    DS125DF111: PCIe and SATA/SAS Support 0 Locked

    656 views
    3 replies
    Latest over 7 years ago
    by Michael Lu (Santa Clara)
  • Answered

    TUSB9261DEMO: The debug messages from serial port are not readable 0 Locked

    909 views
    6 replies
    Latest over 7 years ago
    by Amy Liu
  • Suggested Answer

    DP83867IR: Acceptance test procedure for Ethernet Interface (10/100/100 Base T MDI and SGMII) as per IEEE 0 Locked

    606 views
    1 reply
    Latest over 7 years ago
    by Rob Rodrigues
  • Answered

    TUSB9261-Q1: Questions about the specification 0 Locked

    4521 views
    23 replies
    Latest over 7 years ago
    by Orobianco-Italy
  • Not Answered

    TLK10232: TX glitching 0 Locked

    443 views
    1 reply
    Latest over 7 years ago
    by Luis Omar Moran
  • Answered

    DS125DF1610EVM: USB connection between the EVM board and the computer 0 Locked

    1193 views
    5 replies
    Latest over 7 years ago
    by Michael Lu (Santa Clara)
  • Answered

    TPS254900-Q1: question about Device Truth Table 0 Locked

    856 views
    1 reply
    Latest over 7 years ago
    by Adam Mc Gaffin
  • Suggested Answer

    TUSB8041: Test packet generation for USB compliance testing 0 Locked

    985 views
    3 replies
    Latest over 7 years ago
    by JMMN
  • Answered

    TUSB8041-Q1: Pin name of Pin Number 61, 62 of TUSB8041-Q1 0 Locked

    433 views
    1 reply
    Latest over 7 years ago
    by Jorge Llamas (SWAT)
  • Answered

    SN65HVD75: SN65HVD75DRBR Thermal Pad Electrical Connectivity 0 Locked

    451 views
    1 reply
    Latest over 7 years ago
    by Miguel Robertson
  • Answered

    PCA9555: maximum Junction temperature issue 0 Locked

    557 views
    2 replies
    Latest over 7 years ago
    by leo xue
  • Not Answered

    TLK2501: TLK2501 successor 0 Locked

    650 views
    3 replies
    Latest over 7 years ago
    by Iwata Etsuji
  • Suggested Answer

    PCF8574: PCF8574 Interface 0 Locked

    3703 views
    4 replies
    Latest over 7 years ago
    by Preethi Bhat
  • Answered

    DP83822IF: FLP output after reset release(L->H) 0 Locked

    835 views
    7 replies
    Latest over 7 years ago
    by Hirotaka Matsumoto
  • Answered

    DP83867IR: unstable linkup 0 Locked

    831 views
    4 replies
    Latest over 7 years ago
    by g.f.
  • Not Answered

    TLK10232: XAUI-KR, Link can not recover after reset 0 Locked

    503 views
    2 replies
    Latest over 7 years ago
    by jiandong wang
  • Answered

    DS32EL0421: Recommendation power up sequence 0 Locked

    826 views
    4 replies
    Latest over 7 years ago
    by Nao
  • Answered

    LMH1983: How to configure it if TOF1 to TOF4 are not used 0 Locked

    516 views
    4 replies
    Latest over 7 years ago
    by Hiroshi Katsunaga
  • Answered

    DS90C385A: Is there any solution using FPD Link 0 Locked

    773 views
    4 replies
    Latest over 7 years ago
    by NAOKI AOYAMA
  • Suggested Answer

    TS3USB3000: Bir-direction connection issue 0 Locked

    471 views
    1 reply
    Latest over 7 years ago
    by Jorge Llamas (SWAT)
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