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The TI E2E™ design support forums will undergo maintenance from July 11 to July 13. If you need design support during this time, open a new support request with our customer support center.



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  • RE: TUSB8044A: can't regonize the device

    Brian Zhou
    Brian Zhou
    when issue happened, did hub upstream still connected or just downstream port device lost? what device is lost? SS, HS or FS/LS? Best brian
    • 21 days ago
    • Interface
    • Interface forum
  • Answered
  • TUSB8044A: Eeprom programming tool

    James Hillman
    James Hillman
    Resolved
    Part Number: TUSB8044A Tool/software: Please may I have access to the TUSB8044A eeprom programming tool? Thanks James
    • Resolved
    • 1 month ago
    • Interface
    • Interface forum
  • TUSB8044A: USB 3.0 Hub Not Functioning – Issue with TUSB8044AIRGCR & AT24C04D

    Anand Matta
    Anand Matta
    TI Thinks Resolved
    Part Number: TUSB8044A Other Parts Discussed in Thread: TUSB8044 , Tool/software: Dear TI Team, I am currently working on a USB 3.1 Gen1 hub design using the TUSB8044AIRGCR. The hub controller is interfaced with an AT24C04D EEPROM to allow for customized…
    • 28 days ago
    • Interface
    • Interface forum
  • TUSB8044A: can't regonize the device

    Jeff YANG
    Jeff YANG
    TI Thinks Resolved
    Part Number: TUSB8044A Tool/software: Hi, Recently, during a warm boot test conducted 4XX times, we found that the USB2 HUB within the TI TUSB8044AIRGCT fails to recognize devices. Devices: Mouse, keyboard, USB2 flash drive. However, the TUSB8044AIRGCT…
    • 2 months ago
    • Interface
    • Interface forum
  • Answered
  • TUSB8044A: Inquiry about TUSB8044A Bandwidth

    Byungjo Park
    Byungjo Park
    Resolved
    Part Number: TUSB8044A Tool/software: Hello, First of all, I would like to mention that I do not have detailed knowledge about USB. Therefore, the block diagram below is just my assumption. If there are any mistakes, I would appreciate it if you could…
    • Resolved
    • 5 months ago
    • Interface
    • Interface forum
  • TUSB8044A: spec check

    GARETH OU
    GARETH OU
    Part Number: TUSB8044A Tool/software: Hi A customer has a question about the USB hub TUSB8044A. The datasheet says, This pin has an internal pull-up, right? The customer's line PWRCTL_POL is floating, but the board behavior is inconsistent Some boards…
    • 4 months ago
    • Interface
    • Interface forum
  • Answered
  • TUSB8044A: Maximum Sink Current for SDA and SCL Pins

    Kyle Pawlowski
    Kyle Pawlowski
    Resolved
    Part Number: TUSB8044A Tool/software: I'm trying to determine what value of pull-ups to use on the I2C lines for a design using the TUSB8044A. I need to know how much current the SDA and SCL lines can sink, but I can't find this information on the datasheet…
    • Resolved
    • 3 months ago
    • Interface
    • Interface forum
  • Answered
  • TUSB8044A: EEPROM Utility request

    James Berryhill
    James Berryhill
    Resolved
    Part Number: TUSB8044A Tool/software: I would like to request the Microsoft Windows based EEPROM utility and Windows drivers to be used with TUSB8044A EVM. thank you in advance. my email is jberryhill (at) maxvision.com
    • Resolved
    • 5 months ago
    • Interface
    • Interface forum
  • RE: TUSB8044A: Hub appears to put terminations on downstream pins when there is no upstream partner for SS, causing downstream devices to mis-behave

    Matt Leacock
    Matt Leacock
    This issue has been resolved. There was a patch for the Reatek device that improved the RX detection. Thanks for the support on this Brian.
    • 2 months ago
    • Interface
    • Interface forum
  • TUSB8044A: Operation system requirement

    Hailey Chen
    Hailey Chen
    TI Thinks Resolved
    Part Number: TUSB8044A Tool/software: Hi, expert: Does TUSB8044A could work in Linux debian11?
    • 6 months ago
    • Interface
    • Interface forum
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