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Topics - Wil

1
Bus Blaster JTAG debugger / [SOLVED] TDO stuck
Hi,

I ordered my BusBlaster v2 almost a year ago from Seeed Studio.
From the beginning I had to struggle with the following messages with UrJTAG:

Code: [Select]
warning: TDO seems to be stuck at 0
or
Code: [Select]
warning: TDO seems to be stuck at 1

And sometimes, for no reason, and without changing anything to the wiring, it simply worked.

Then I found why...
Here are some self-explanatory close-up shots of my BusBlaster, before I fixed it.

Pins at the top of the FT2232HL chip with almost no solder on them.
[attachment=2]

Pins at the bottom of the FT2232HL chip, misaligned but soldered.
[attachment=1]

Top view, misaligned chip on one axis.
[attachment=0]

I reflowed the FT2232HL with a hot-air rework station. Since then, my BusBlaster works flawlessly.
I thought i was worth sharing.

Cheers,
Wil
2
Bus Blaster JTAG debugger / FTjrev
Hi All,
I'm trying to use my BusBlaster with FTjrev (nsa unaligned org/jrev.php) to reverse-engineer connectivity between chips on a board.
I can list the devices chain on the board using UrJTAG, but so far I can't get anything out of FTjrev.

Did anyone of you already tested this tool ? Is there another opensource alternative ?

Thanks,
Wil

PS: Sorry for the malformed URL, I had to find a way to bypass the 'first post spam filter' :).

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