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Altera_Forum
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16 years ago

Cyclone3 fails to configure

Hi, I have custom board with EP3C55F484. I'm trying to configure Cyclone using .jic file in QuartusII 9.0. The problem is that after Quartus programmer says that "operation was success...
Altera_Forum's avatar
Altera_Forum
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16 years ago

FvM, thank you for your quick reply.

I created a simple project (with ALTASMI_PARALLEL megafunction) for Cyclone 3 to test my EPCS. Thus I was able to perform Read Status Operation and Read/Write Operations.

In SignalTap Logic Analyzer I saw that status of EPCS was 0x00 and Read/Write operations were performed correctly.

So, I think, it means that there are no protected sectors in my EPCS and signal quality issue of the JTAG chain is not the cause of my problem.