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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

    DP83TG721S-Q1: DP83TG721S-Q1 : To improve phy configuration time 0 Locked

    97 views
    3 replies
    Latest 1 month ago
    by Jaehee Shin
  • Answered

    DP83869HM: DP83869HM working at 1000MBps but not working at 100MBps +1 Locked

    324 views
    20 replies
    Latest 1 month ago
    by Babu Mucharla
  • Answered

    DP83TC812S-Q1: DP83TC812S-Q1: DP83TC812S-Q1 : To improve phy configuration time 0 Locked

    81 views
    2 replies
    Latest 1 month ago
    by Charles
  • Not Answered

    DP83561-SP: BSDL for DP83561-SP 0 Locked

    43 views
    1 reply
    Latest 1 month ago
    by Gregory Kobyakov
  • Answered

    DS125DF1610: DS125DF1610 Programming Guide and BSDL file 0 Locked

    72 views
    1 reply
    Latest 1 month ago
    by Drew Miller1
  • Not Answered

    TMDS1204: HDMI RX Detection Issue 0 Locked

    122 views
    3 replies
    Latest 1 month ago
    by Shane Hauser
  • Suggested Answer

    TPS26744E-Q1: Detailed Datasheet Needed 0 Locked

    67 views
    1 reply
    Latest 1 month ago
    by James Spillman
  • Answered

    MAX3222E: MAX3222E - Exposure to RS-232 Signal Levels Prior to Power-on 0 Locked

    92 views
    3 replies
    Latest 1 month ago
    by Behzad Assar1
  • Answered

    SN65LVDS179: SN65LVDS179 IBIS 0 Locked

    86 views
    4 replies
    Latest 1 month ago
    by Aaron Demeter
  • Not Answered

    DS90UB988-Q1CEVM: Design schematic review of DS90UB988 0 Locked

    104 views
    2 replies
    Latest 1 month ago
    by Ikram Haque
  • Suggested Answer

    DP83848K: Need the packet sending instructions for this PHY chip. 0 Locked

    178 views
    5 replies
    Latest 1 month ago
    by Shane Hauser
  • Not Answered

    TUSB2E11: TUSB2E112YCGR IBIS/S-Parameter 0 Locked

    55 views
    3 replies
    Latest 1 month ago
    by Ryan Kitto
  • Answered

    TRS3232E: TRS3232EQPWRQ1: Vmax and Vmin values for the V+ and V− pins 0 Locked

    72 views
    1 reply
    Latest 1 month ago
    by BOBBY
  • Not Answered

    TUSB2E221: EQ setting recommendation 0 Locked

    41 views
    1 reply
    Latest 1 month ago
    by Ryan Kitto
  • Answered

    SN65DSI83: SN65DSI83TPAPRQ1- VCORE Value 0 Locked

    78 views
    1 reply
    Latest 1 month ago
    by Ikram Haque
  • Not Answered

    TUSB216: Fully functional USB-C to USB-C cable design by TUSB216 0 Locked

    107 views
    7 replies
    Latest 1 month ago
    by Ryan Kitto
  • Not Answered

    TUSB2E221: I2C BUS 0 Locked

    64 views
    1 reply
    Latest 1 month ago
    by Ryan Kitto
  • Suggested Answer

    LMH1219: Using both inputs of the LMH1219 for SMPTE data. And questions re the CDR reset 0 Locked

    129 views
    5 replies
    Latest 1 month ago
    by David (ASIC) Liu
  • Suggested Answer

    LMH1218EVM: LMH1218 4K 50, 59.94 and 60fps don't work 0 Locked

    115 views
    6 replies
    Latest 1 month ago
    by David (ASIC) Liu
  • Suggested Answer

    LMH1228: LMH1228 with Unstable/shaky image 0 Locked

    151 views
    10 replies
    Latest 1 month ago
    by David (ASIC) Liu
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