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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] DP83822IF: Fiber Link Status

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Part Number: DP83822IF Other Parts Discussed in Thread: DP83822HF , The DP83822IF and DP83822HF are the fiber capable variants of the DP83822. Bit 2 in Register 0x0001 indicates link status for both Copper and Fiber modes of operation. In copper mode…
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] Extended Register Space Access for Ethernet PHYs

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Our Ethernet PHYs have a standard set of registers, 0x0-0x1F, that can be accessed in a straight forward fashion. Registers beyond 0x1F require a different approach to access. This FAQ is intended to provide a few examples on how to read/write these…
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] SN65DSI86: SN65DSI86 Resolution Guide

    Allison Noe
    Allison Noe
    Part Number: SN65DSI86 What display resolution will the SN65DSI86 support?
    • Answered
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83867E: What is the default mode of RGMII when using DP83867, shift or align?

    Gerome Cacho
    Gerome Cacho
    Part Number: DP83867E When bootstrapped to be in RGMII mode, DP83867 will be in shift mode by default; not align mode. The modes will be corroborated via Reg 0x32[1:0].
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83869HM: How to generate 125MHz on CLKOUT pin for DP83869

    Gerome Cacho
    Gerome Cacho
    Part Number: DP83869HM DP83869HM needs an additional register to be written to enable CLKOUT modification. By default, this signal is a buffered version of the XI signal. Reg 0xC6 must have 0x10 written in order for the value in Reg 0x170[12:8] to take…
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] TI Ethernet PHY Capacitive Coupling (Transformerless Operation)

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Other Parts Discussed in Thread: DP83869 Summary: All of our Industrial Ethernet PHYs support Transformer-less Operation via Capacitive Coupling except for the DP83867. The DP83867 does not support Transformer-less Operation. List of Industrial…
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83867E: Ethernet PHY SGMII Vdiff Upper and Lower Input Limits

    Alvaro (Al-vuh-roe) Reyes
    Alvaro (Al-vuh-roe) Reyes
    Part Number: DP83867E Other Parts Discussed in Thread: DP83869 The DP83867 and DP83869 both have the same Vdiff Upper and Lower Input Limits of: 100 mV and 800 mV
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] What capacitance should my ESD diode be?

    Ethan Sempsrott
    Ethan Sempsrott
    Other Parts Discussed in Thread: ESD2CANXL24-Q1 , ESD2CAN24-Q1 , ESD2CANFD24-Q1 , ESD122 What should be considered when selecting a diode with parasitic capacitance?
    • Answered
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83825I: How to adjust the Output Differential Voltage (VOD) of the DP83825I

    David Creger
    David Creger
    4540.DP83825I VOD Adjustment.pptx
    • over 2 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83TG720R-Q1: Why is my SGMII eye measurement distorted?

    Melissa Chang
    Melissa Chang
    Part Number: DP83TG720R-Q1 SGMII signal is high frequency low-voltage differential signal. Both layout design and measurements need to be accurate for good eye diagram capture. Common board design guidelines: 100ohms+/-10% differential traces…
    • over 2 years ago
    • Interface
    • Interface forum
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  • Answered

    DP83825I: T1 Note hyperlink does not work 0 Locked

    298 views
    2 replies
    Latest over 2 years ago
    by Kallikuppa Sreenivasa
  • Answered

    DP83825I: RMII interface - 50M clock output pin number and name 0 Locked

    429 views
    2 replies
    Latest over 2 years ago
    by Kallikuppa Sreenivasa
  • Answered

    DP83869HM: DP83869 not coming out of RESET 0 Locked

    538 views
    2 replies
    Latest over 2 years ago
    by Don DeOliveira
  • Suggested Answer

    TCAN1145-Q1: What is the function of "May time"? 0 Locked

    188 views
    1 reply
    Latest over 2 years ago
    by Danny Bacic
  • Suggested Answer

    TCAL9539-Q1: 13.5V input sense 0 Locked

    655 views
    5 replies
    Latest over 2 years ago
    by Tyler Townsend
  • Answered

    TCAN1145-Q1: Leakage current of INH terminal 0 Locked

    295 views
    1 reply
    Latest over 2 years ago
    by Eric Schott1
  • Suggested Answer

    TUSB8041: Where to get the EEPROM programing utility for TUSB8041? 0 Locked

    519 views
    3 replies
    Latest over 2 years ago
    by Brian Zhou
  • Suggested Answer

    LIN Transceiver 0 Locked

    462 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
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    DP83826E: EtherCAT out port Link detection problem 0 Locked

    920 views
    6 replies
    Latest over 2 years ago
    by Donggu Kang
  • Suggested Answer

    XIO3130 drive strength 0 Locked

    366 views
    1 reply
    Latest over 2 years ago
    by Clemens Ladisch
  • Answered

    TPD12S016: IOL vs VOL characteristics of I2C line SCL_A and SDA_A 0 Locked

    356 views
    1 reply
    Latest over 2 years ago
    by Kuno Wu
  • Answered

    About VESA DP interface retimer of displayport2.0 or displayport2.0 0 Locked

    634 views
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    Latest over 2 years ago
    by Haidong Fang
  • Answered

    TVP5150: What is the oscillator voltage 0 Locked

    376 views
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    by Jarkko Sonninen
  • Suggested Answer

    SN65DP159: sn65dp159 displayport compatibility 0 Locked

    372 views
    1 reply
    Latest over 2 years ago
    by David (ASIC) Liu
  • Answered

    TUSB522P: What does RX termination mean ? 0 Locked

    647 views
    2 replies
    Latest over 2 years ago
    by Hiroaki Doi
  • Answered

    TCAN1043-Q1: CANBUS impendence 0 Locked

    7981 views
    1 reply
    Latest over 2 years ago
    by Jonathan Nerger
  • Not Answered

    TCAN4550-Q1: Regarding interfacing TCAN4550 on USB interface 0 Locked

    436 views
    3 replies
    Latest over 2 years ago
    by Jonathan Nerger
  • Not Answered

    [FAQ] Extended Register Space Access for Ethernet PHYs 0 Locked

    6312 views
    0 replies
    Started over 2 years ago
    by Alvaro (Al-vuh-roe) Reyes
  • Suggested Answer

    TDP142: DP Redriver 0 Locked

    549 views
    6 replies
    Latest over 2 years ago
    by Zach Dryer
  • Suggested Answer

    DS90UH940N-Q1: Questions for 940N BIST 0 Locked

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    Latest over 2 years ago
    by Fadi Abdulhameed
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