Unbricking a JTAGICE3


Atmel Studio 7 prompted me to upgrade a JTAGICE3 tool recently. I went ahead with the upgrade since I couldn’t use the tool without it, and I have done it with the JTAGICE mkII on several occasions. After the upgrade was successfully completed, I found the JTAGICE3 in a state that is generally referred as bricked.

I left it aside for a couple of weeks until I decided to visit AVRFREAKS, and found a solution.

You’ll need to put JTAGICE3 in bootloader mode. Short the pads highlighted in the image below, and plug it in.

jtagice3-open.jpg

Then, from Windows command line run

C:\Program Files (x86)\Atmel\Studio\7.0\atbackend>atfw -t jtagice3 -a "C:\Program Files (x86)\Atmel\Studio\7.0\tools\JTAGICE3\jtagice3_fw.zip"
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One thought on “Unbricking a JTAGICE3

  1. Hello,

    Than you verry much for this help. I spend the whole saturday to fix this Problem. I couln’t find any solution in WWW, until I found yours. Thank you again. My JtagIce 3 now works.
    Greetings Alexander

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