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Altera_Forum's avatar
Altera_Forum
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12 years ago

Programmer freezes on BeMicro CV - used to work fine

Help! I have 4 BeMicro CV boards that all of a sudden do not program. The programmer freezes up until I unplug the USB cable. When I try to use the JTAG debugger tool, the same happens - the Quartus ...
Altera_Forum's avatar
Altera_Forum
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11 years ago

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I found this solution on another forum and it fixed the issue.

Please rotate jumper J11 clockwise from the default 1-3 position(Vccio=2.5V) to 1-2 (Vccio=3.3V).

--- Quote End ---

I just went through the schematic I posted and looked at the devices connected to VCCIO, and they all should operate fine at 2.5V and 3.3V. I do not see an issue in the board design that would cause JTAG not to work with VCCIO set to 2.5V.

I'll test the board I have at work tomorrow and see if it fails ...

Can you post a link to the "other forum" discussion?

Cheers,

Dave