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EK-TM4C123GXL: Keil Flash Reports No ULINK/ME Device Found Error

Charles Moher
Prodigy 120 points
Part Number: EK-TM4C123GXL

Been away for awhile and just trying to ramp up my projects.

I wrote a program and it built without errors. I am now trying to Flash it to my TIVA Launchpad, using Keil UVision V5 and it keeps throwing up the error  "No ULINK/ME Device Found Error". After some online research , I assumed it was a problem between my USB Port and the onboard usb programming slot. I've switch boards and programming cable and tested the power. It even does a beep of acknowledgement when I plug the board in. This error just won't go away and I'm not sure why ??? I'm assuming I don't have my software setup properly. I cannot get onto the Keil Users Forum right now for some unresolved technical issue.

Your help is appreciated.

  • 0
    TI__Guru**** 190616 points

    Hi,

      First of all, the EK-TM4C123GXL board comes with a on-board debug probe called ICDI. If you plug in the cable you should see Stellaris In-Circuit Debug Interface enumerated. Make sure your Windows can find the drivers. Normally, Windows should find the drivers automatically. If not, you can reinstall drivers.  from https://www.ti.com/tool/STELLARIS_ICDI_DRIVERS. I'm not sure why you are getting a ulink error. This seems like a different debug probe. Are you using a ulink debug probe for the the LaunchPad? Do you have the same problem with ICDI?

    Do you have another board? If you have the same problem on another board and you believe you have the correct driver then I will suggest you contact ulink vendor for support. Perhaps you have an outdated drivers for the ulink debug probe which we cannot support. 

  • 0 in reply to Charles Tsai
    Prodigy 120 points

    Thanks you for refreshing my failing memory. I forgot to mention that I am at least mildly retarded, so I'm told. After selecting Options For Target from the UVision software, I only had to select Debug Tab .. Use Stellaris ICDI. thank you.