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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 2 years ago
    • Interface
    • Interface forum
  • [FAQ] DP83822I: Link up debug with DP83822

    Hillman Lin
    Hillman Lin
    Part Number: DP83822I
    • Answered
    • over 2 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 2 years ago
    • Interface
    • Interface forum
  • [FAQ] Can Auto-negotiation link up with Force mode on 100mbps?

    Hillman Lin
    Hillman Lin
    • Answered
    • over 2 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 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
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View FAQ threads
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  • Answered

    TPS65982: Which I2C command is better for reset PD controller to default parameters? 0 Locked

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

    TPS65987D: tps65987 0 Locked

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    TCAN1042-Q1: common mode choke requirement for this IC 0 Locked

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    Latest over 5 years ago
    by Miguel Robertson
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    AM26C31: Output to photocoupler 0 Locked

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    by Miguel Robertson
  • Answered

    TIR1000: Interface with micro-controller 0 Locked

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

    DP83822HF: can't link up 0 Locked

    353 views
    5 replies
    Latest over 5 years ago
    by Lawrence Chih
  • Answered

    DP83867CR: Power consumption under 10/100MBase-T and VDDIO 3.3V case 0 Locked

    241 views
    2 replies
    Latest over 5 years ago
    by Kazuki Kuramochi
  • Answered

    PCA9544A: PCA9544A-leakage current from SDX and SCX to others pin? 0 Locked

    771 views
    3 replies
    Latest over 5 years ago
    by Jim Tsai1
  • Answered

    DS90UB948-Q1: NO ACK Response 0 Locked

    350 views
    7 replies
    Latest over 5 years ago
    by zhipeng fu
  • Suggested Answer

    DS90UB949A-Q1: Whether HDMI's audio signal could be pass through from 949 to 948 0 Locked

    305 views
    1 reply
    Latest over 5 years ago
    by Casey McCrea
  • Suggested Answer

    DS90UB953-Q1: POWER CONSUMPTION 0 Locked

    134 views
    1 reply
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    by Casey McCrea
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    TPS65987D: Programming EEPROM Online 0 Locked

    446 views
    1 reply
    Latest over 5 years ago
    by Prajith Cheerakkoda
  • Answered

    TPS65987DJEVM: tps65987 0 Locked

    342 views
    1 reply
    Latest over 5 years ago
    by Prajith Cheerakkoda
  • Answered

    DS90UB948-Q1: Urgent: Configuration of mode_0, mode_1 and IDX through registers? 0 Locked

    251 views
    12 replies
    Latest over 5 years ago
    by Casey McCrea
  • Answered

    PCA9306: I want know the work status when the Vref1=Vdpu=3.3V 0 Locked

    415 views
    2 replies
    Latest over 5 years ago
    by Yan Wang2
  • Not Answered

    SN65LVDS104: Issues using SN65LVDS104 ibis model in Hyperlynx at fast-strong (slow-weak and nominal look OK) 0 Locked

    657 views
    4 replies
    Latest over 5 years ago
    by Ikechukwu Anyiam
  • Answered

    TFP410: DDC interface 0 Locked

    297 views
    1 reply
    Latest over 5 years ago
    by Ikechukwu Anyiam
  • Answered

    DP83822HF: The DP83848 drive can be driving DP83822 SFP function? 0 Locked

    471 views
    1 reply
    Latest over 5 years ago
    by Justin Lazaruk
  • Suggested Answer

    DS90UH948-Q1: Using CML output to verify the FPD-link healthy and what is the acceptable eye diagram for CML out 0 Locked

    838 views
    5 replies
    Latest over 5 years ago
    by Charley Cai
  • Suggested Answer

    SN65DSI83: Mismatch pin out 0 Locked

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