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Maximum baud rate supported by the TUSB3410 UART

paddu1
Expert 1195 points
Other Parts Discussed in Thread: TUSB3410, MSP430F5438A

Hi,

One of our customer trying to find out the Maximum baud rate supported
by the TI TUSB3410 UART to USB IC.
It seems they are getting garbage characters for higher baud rates like 460800
and the maximum limitation seems to be 230400 baud.
Has anybody tried UART to USB in TUSB3410 with higher baud rates upto 921600?

Best Regards.
Paddu

  • 0
    TI__Guru* 76130 points

    Hello,

    You can find the baud rates in section 7.1.11 of the TUSB3410's datasheet.

    You can provide more info here(failure description, reproduction steps, system, schematic, etc) for more support.

    Regards. 

  • 0 in reply to Elias Villegas M.
    Expert 1195 points

    Hi

    Thank you.

    Actually our cusomter is using TI's MSP-EXP4305438A Experiment board
    which has TUSB3410 connected to MSP430F5438A as USB-UART connector.
    And they are using the sample codes provide with the MSP-EXP430F5438_User_Experience.

    As mentioned above they are getting garbage characters for higher baud rates like 460800.

    Meanwhile when they tried the same test with MSP430F5438A and a different USB-UART IC from FTDI
    it works fine with higher baud rates like 921600.
    so it seems there is no problem with the MSP430 software, as it is working with FTDI.

    We think there is some limitaion on the TUSB3410 software embedded on the EXP board(EEPROM).
    Is it possible to let us know the register setting details of the TUSB installed on the those
    MSP-EXP4305438A boards or any suggestions about this issue.

    Best Regards.
    Paddu.

  • 0 in reply to paddu1
    TI__Mastermind 36085 points

    Hello Paddu,

    RIght Now I don't have the EEPROM configuration. Could You share the connection performed between the MSP-EXP4305438A and the USB-UART IC from FTDI? and also Have You tried to reproduce this issue with another MSP-EXP4305438A Experiment board?

    Regards,

    DIego.