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Altera_Forum's avatar
Altera_Forum
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12 years ago

Please help with the error led turned red

Hi everyone, I think I just made a big mistake. I was trying to measure signals from HSMC port of Cyclone V using oscilloscope, and I suppose I touched two pins with a probe at the same time. This...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Use this as an opportunity to work on your debug skills.

1. Work out where the red LED comes from, eg., if its from a configuration controller

2. Work out which pins you might have touched together, eg., if you touched a 3.3V power pin and shorted it to an I/O pin, that should not have caused damage, but if it was a 5V power supply ...

3. Try programming the board using an external JTAG programmer.

You might want to try that last step first ... if the FPGA is detected, then its probably ok ...

Cheers,

Dave