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Altera_Forum
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17 years ago

Problem with PLL in EP1C12 device

Hello everyone, long time no see =] Recently I've built my own evaluation board with EP1C12 Cyclone device (yes, it's an old one, but I obtained it for free). The board is working, I can config...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I've checked pin connections several times. I've checked if any of used pins isn't broken. Everything is OK, except the PLL won't start. The lock signal is constantly low.