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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

    DP83620: TXD_1, Pin 4, Input Only, pulls line to < 0.2V 0 Locked

    455 views
    19 replies
    Latest 6 months ago
    by Walter Roberts
  • Not Answered

    AM6421: AM6421 — GPMC Multi-Device Configuration (CS0, CS2, CS3) — Software Driver Support and Timing Concerns 0 Locked

    178 views
    1 reply
    Latest 6 months ago
    by Swargam Anil
  • Suggested Answer

    TDP142: Inquiry regarding Redriver recommendations 0 Locked

    123 views
    1 reply
    Latest 6 months ago
    by David (ASIC) Liu
  • Suggested Answer

    TUSB4041I-Q1: Can you help check is there any Test packet for USB 2.0 type 0 Locked

    405 views
    11 replies
    Latest 6 months ago
    by Brian Zhou
  • Answered

    TCAN1043HG-Q1: What are the values of Ios(Dom) and Ios(REC), when Vbat comes to 56V 0 Locked

    226 views
    5 replies
    Latest 6 months ago
    by Hongyi Zhuang
  • Not Answered

    ONET8551T: TIA product selection inquiry for CPO by best Epitaxy Manufacturing Company 0 Locked

    128 views
    1 reply
    Latest 6 months ago
    by Sima Jalaleddine
  • Suggested Answer

    HD3SS215: Review the schematic diagram 0 Locked

    104 views
    1 reply
    Latest 6 months ago
    by Aidan Singh
  • Answered

    TUSB422: DEBUG_ACC_CONNECTED bit in Power Status Register 0 Locked

    158 views
    2 replies
    Latest 6 months ago
    by Vishesh Pithadiya
  • Answered

    TUSB320: TUSB320 DRP with Load switch 0 Locked

    245 views
    2 replies
    Latest 6 months ago
    by Vishesh Pithadiya
  • Not Answered

    DP83849IF: How to adapt the DP83849IF in the Linux 4.1.15 kernel 0 Locked

    67 views
    1 reply
    Latest 6 months ago
    by Evan Mayhew
  • Answered

    TCA9517-Q1: Can the TCA9517-Q1 device be used to solve a backfeeding issue on the I²C lines? 0 Locked

    290 views
    8 replies
    Latest 6 months ago
    by Tyler Townsend
  • Not Answered

    DS90UB635-Q1: How can we measure the serializer forward channel output jitter & Differential forward channel eye opening. 0 Locked

    125 views
    1 reply
    Latest 6 months ago
    by Ethan Woods
  • Answered

    TSM36A: Limitations of using TSM36A for ESD protection of TIOS1013 0 Locked

    408 views
    7 replies
    Latest 6 months ago
    by Jonathan Nerger
  • Answered

    LMH1218: Max Junction temperature of LMH1218RTWR 0 Locked

    123 views
    2 replies
    Latest 6 months ago
    by Will Jarrett
  • Answered

    TXE8116: SPI SCLK 10 MHz Spec Clarification: Is 3.3 V Supply Acceptable or Must It Be Higher? 0 Locked

    158 views
    3 replies
    Latest 6 months ago
    by Joshua Salinas
  • Suggested Answer

    TMDS1204: Simulation Model for SI Analysis & Question About Using TDP1204 Model 0 Locked

    179 views
    1 reply
    Latest 6 months ago
    by David (ASIC) Liu
  • Answered

    [FAQ] ESD321: ESD321DYA Pin Configuration 0 Locked

    345 views
    1 reply
    Latest 6 months ago
    by McKenzie Eaker
  • Not Answered

    TDP142-Q1: IC internal length 0 Locked

    103 views
    1 reply
    Latest 6 months ago
    by David (ASIC) Liu
  • Suggested Answer

    TS3A44159: SPICE model? 0 Locked

    111 views
    1 reply
    Latest 6 months ago
    by Nir Gilgur
  • Answered

    DS42MB100: device for 1000base-x mux 0 Locked

    132 views
    1 reply
    Latest 6 months ago
    by Hunter Burnham
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