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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] DP83822I: How to use RMII repeater mode in DP83822?

    Hillman Lin
    Hillman Lin
    Part Number: DP83822I Could someone guide me on how to use DP83822 for RMII repeater mode?
    • Answered
    • over 3 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83822I: Link up debug with DP83822

    Hillman Lin
    Hillman Lin
    Part Number: DP83822I
    • Answered
    • over 3 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83822I: 822/826 Odd Nibble Detection disable for EtherCAT application

    Hillman Lin
    Hillman Lin
    Part Number: DP83822I For 822/826 PHYs, Odd Nibbles Detection register need to be disable in order to prevent unexpected link loss in EtherCAT application. DP83826PHY: Odd Nibble Detection could be disable by strap 1 CLKOUT/LED1 pin in enhanced…
    • over 3 years ago
    • Interface
    • Interface forum
  • [FAQ] Can Auto-negotiation link up with Force mode on 100mbps?

    Hillman Lin
    Hillman Lin
    • Answered
    • over 3 years ago
    • Interface
    • Interface forum
  • [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 3 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 3 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 3 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 3 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 3 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 3 years ago
    • Interface
    • Interface forum
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View FAQ threads
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  • Answered

    TUSB8044A: Maximum Sink Current for SDA and SCL Pins 0 Locked

    281 views
    2 replies
    Latest over 1 year ago
    by Brian Zhou
  • Suggested Answer

    DP83TG721EVM-MC: RGMII interface 0 Locked

    533 views
    1 reply
    Latest over 1 year ago
    by Nick Peabody
  • Answered

    DP83867IR: Supply on 1.0V and 2.5V power line, from LDO or from DC/DC. 0 Locked

    318 views
    1 reply
    Latest over 1 year ago
    by Evan Mayhew
  • Suggested Answer

    DP83869HM: Using upstream driver with RGMII-1000BASE-X mode 0 Locked

    318 views
    1 reply
    Latest over 1 year ago
    by Shane Hauser
  • Not Answered

    TCAN4550-Q1: Delays Observed in CAN message transfer 0 Locked

    891 views
    16 replies
    Latest over 1 year ago
    by Jonathan Nerger
  • Answered

    TUSB522P: eye test 0 Locked

    489 views
    5 replies
    Latest over 1 year ago
    by Vishesh Pithadiya
  • Suggested Answer

    TUSB1104: Guidance on Using Auto AEQ Mode in TUSB1104 for USB 3.2 Gen 2x2 0 Locked

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    3 replies
    Latest over 1 year ago
    by Vishesh Pithadiya
  • Answered

    BYTES-3P-BE-AM6254: AM6254 DDR4 speed ratio 0 Locked

    333 views
    1 reply
    Latest over 1 year ago
    by JJD
  • Answered

    TUSB211A: tusb211a 0 Locked

    277 views
    1 reply
    Latest over 1 year ago
    by Ryan Kitto
  • Answered

    DP83640: Clarification on Temperature Spec 0 Locked

    407 views
    5 replies
    Latest over 1 year ago
    by David (ASIC) Liu
  • Answered

    TCAN1044A-Q1: TCAN1044A-Q1 0 Locked

    338 views
    4 replies
    Latest over 1 year ago
    by Abhishek M V
  • Not Answered

    DS90UB983-Q1EVM:DS90UB984-Q1EVM 0 Locked

    372 views
    1 reply
    Latest over 1 year ago
    by Ikram Haque
  • Answered

    SN65LVDS34: Thermal Resistance Values 0 Locked

    210 views
    1 reply
    Latest over 1 year ago
    by Jack Campbell
  • Answered

    TRS3232E: Maximum data rate with RL and CL. 0 Locked

    451 views
    6 replies
    Latest over 1 year ago
    by Leo Ma
  • Not Answered

    TCAN1473-Q1: Disable WUP mode? 0 Locked

    241 views
    1 reply
    Latest over 1 year ago
    by Ethan Sempsrott
  • Suggested Answer

    TCA4311A: TCA4311 not propagating ACK 0 Locked

    400 views
    1 reply
    Latest over 1 year ago
    by Tyler Townsend
  • Suggested Answer

    SN75LVPE5412: Recommended Foot print - Target Impedance 0 Locked

    324 views
    3 replies
    Latest over 1 year ago
    by David Waier
  • Suggested Answer

    SN65DSI86: Question about clock 0 Locked

    232 views
    1 reply
    Latest over 1 year ago
    by David (ASIC) Liu
  • Suggested Answer

    DS100BR111: Available Theta JC (Resistance from junction to case) and Theta JB (Resistance from junction to Board) Values for DS100BR111SQE/NOPB 0 Locked

    286 views
    1 reply
    Latest over 1 year ago
    by David (ASIC) Liu
  • Answered

    TCAN1145-Q1: Whether TCAN1145-Q1 support STB mode like TJA1052IT? 0 Locked

    358 views
    2 replies
    Latest over 1 year ago
    by Beida Song
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