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] How to select correct RGMII delay mode for PHY and MAC?

    RGMII standard asks for the introduction of delay in the clock (RX_CLK/TX_CLK) with respect to the respective data (RX_D*/RX_CTRL or TX_D*/TX_CTRL). This delay can be introduced at the source of the clock or at the receiver side. Following table should…

  • [FAQ] How to select the crystal's ppm specification for an Ethernet system?

    Other Parts Discussed in Thread: DP83TC811 Ethernet data travels effectively from one MAC to another MAC with two Ethernet PHYs in between. Each of these 4 ICs can have their own reference clocks and crystal attached to each is the usual source of this…

  • [FAQ] DP83867IR: DP83867 digital loopback fail, how to set MII and PCS loopback

    Part Number: DP83867IR Hi Team: Customer side need our help to find the root cause of DP83867 Communication failure issue from one failed board . could you please help to take a look at the attached , customer need to know How to enable MII and PCS…

  • [FAQ] RGMII Timing - Align and Shift mode

    Definitions: TX_DATA[3:0], TX_CLK (naming of TI Ethernet PHYs) are transmitted by the MAC/(Repeater PHY) and RX_DATA[3:0], RX_CLK (naming of TI Ethernet PHYs) are transmitted by Ethernet PHY. S.No Mode Definition 1 PHY: RX Align…

  • [FAQ] DS90UB933-Q1: DS90UB933-Q1 and DS90UB913A-Q1 MODE Decode

    Part Number: DS90UB933-Q1 Other Parts Discussed in Thread: DS90UB913A-Q1 , How do I determine if the DS90UB933-Q1 or DS90UB913A-Q1 device is operating in RAW10, RAW12LF, or RAW12HF through registers?

  • [FAQ] Demystifying Surge Protection

    Please refer to the links below to access our content related to Demystifying Surge Protection: Videos https://training.ti.com/getting-started-interface-protection White paper https://www.ti.com/lit/pdf/slyy152

  • [FAQ] ESD Fundamentals Training

    Please refer to the links below to access our ESD Fundamentals training: Videos https://training.ti.com/getting-started-interface-protection Blog Posts Part 1: https://e2e.ti.com/blogs_/b/powerhouse/posts/esd-fundamentals-part-1-what-is…

  • [FAQ] ESD and TVS Protection Devices: Key Collateral and FAQs

    Please use the links below to access our top collateral/FAQs to learn all about protection devices, ESD and surge standards, and how to properly protect your system from ESD and surge events. [FAQ] What TI ESD/TVS diode should I use to protect Interfaces…

  • [FAQ] How to select TI High Speed Mux devices?

    There are many Mux devices in TI high speed portfolio, sometimes it's not easy to select a right part for a particular application. This FAQ is used to help FAE or customer to choose the right Mux device based on Mux performance, channel numbers, protocols…

  • [FAQ] I2C and I3C Transceiver FAQs

    Generic Questions What is the difference between an I2C device with the family name PCA and TCA? Can I2C IO expanders be used in an open drain configuration? Can I leave "...." pin floating on my I2C I/O expander or I2C switch? (INT, Reset, Port…

View FAQ threads