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Altera_Forum
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13 years ago

Cyclone IV configuration problem

Hi All, I have a problem with a Cyclone IV device not working correctly on my own hardware PCB. If I connect to the board using a USB blaster cable, Quartus can see the device correctly. I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I made a dev board with Cyclone 1 EP1C3T100 ( QFP 100 pins ). The board works perfectly until one of my students used it. After that the FPGA behaved like you said: it can be programmed ok with USB-Blaster+Quartus but the I/O don't work.

With careful and patience I remove the chip and put it a new one. It comes to life again. Can you remove the fpga?