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Altera_Forum
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17 years ago

Cyclone III AS Configuration

Hello, I am having some problems getting AS configuration working with my Cyclone III FPGA. I am using an EPCS16 for the configuration chip and the C3 is a EP3C25F324C8N on a custom board. Th...
Altera_Forum's avatar
Altera_Forum
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17 years ago

Well, if anyone still follows this thread, I fixed my problem. The culprit was the clamping diodes (see reference circuit in handbook). I'm not really sure why that fixed it though. Maybe they were backwards, or maybe they were the wrong type of diode. If I get bored I might play around with it.