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TM4C123GH6PM: UART communication problems

Vincenzo Pizzolante
Mastermind 25866 points
Part Number: TM4C123GH6PM


hi

we have a design w/ TM4C123GH6PMI.

When flashing it with LM Flash programmer with MikroE-483 USB to UART bridge it doesn't work; while if we use the launchpad it works.

Do you have any clue on where the problem might be?

thanks a lot in advance

have a great day

KR

Vincenzo

  • +1
    TI__Guru**** 191906 points

    Hi Vincenzo,

      Sorry, I'm not clear with your question. Can you please clarify your setup? Are you trying to bootload using an UART interface? This means you have a bootloader that is already programmed in the flash. The bootloader will load the application firmware from UART0 interface using LM flash programmer. Or are you simply trying to flash the code via JTAG interface using LM flash programmer. If it is the later, please note that the LM flash programmer only supports ICDI debug probe. The LaunchPad has the ICDI debug probe on board. I think this is the reason that you said it works with the LaunchPad.  The LM flash programmer will not work with other debug probes. 

  • 0 in reply to Charles Tsai
    TI__Mastermind 25866 points

    yep, that's the 2nd case/scenario