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Altera_Forum's avatar
Altera_Forum
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15 years ago

Cyclone III stuck at POR?

Hi, I have problems to get a custom board work, the FPGA seems to be stuck in POR. It's a PCIe card with a EP3C10F256C7N. I attached an excerpt of the schematic to this post. I have 10 pro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Another measurement of the start phase:

Ch2 (blue): 3.3V

R1 (white): 2.5V

Ch1 (yellow): 1.2V

Any comments?