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MSPM0G3519: How to modify UART and I2C baud rate with ROM based bootloader

Jerry Kuo
Expert 4545 points
Part Number: MSPM0G3519
Other Parts Discussed in Thread: SYSCONFIG

Tool/software:

Hi team,

My customer will use ROM based bootloader on M0G3519. Please instruct how to modify the UART and I2C baud rate ?

Besides, there is no "bsl_software_invoke_app_demo_i2c" example inside the folder of "c:\ti\mspm0_sdk_2_05_01_00\examples\nortos\LP_MSPM0G3519\bsl\". Will next SDK supply these example ?

  • 0
    TI__Prodigy 750 points

    Hi Jerry,

    To modify the UART baud rate you can either change it in NON-MAIN or you can used the BSL change baud rate command. 

    For NON-MAIN you can write to this register or you can use sysconfig

    If you would instead like to change the baud rate through a command you can use this BSL command found here https://www.ti.com/lit/slau887 section 4.3

    I believe for I2C you are using a clock from another device so as long as it can work for the I2C0 peripheral it should be good. 

    Let me know if you have any other questions.