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Altera_Forum
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22 years ago

Custom board with epcs & cyclone error

Has anyone gotten a custom board to work with epcs 4 and a cyclone yet? I have tried for a week and can't get the cpu or flash programmer to work. It either comes back with an error 6 "Unable to ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
22 years ago

I'll try holding the reset longer on power up, but I also have a pin that I manually hold in reset and it doesn't work either. I'm checking the floor plan and the ASDO and nCSO pins are apparently unconnected. I'm trying to figure out now how to connect them up. This seems like the SOPC should have done this for me. What other devices did you have in your design?

Maybe there is something that I can do in SOPC to make them connect.

This still of course doesn't explain why I can't download software to it!

Dan