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MAX 10 devices feature selectable Schmitt Trigger on all inputs. The question is if the dedicated PLL input pin is affected by the Schmitt Trigger when it is enabled, or if the PLL input bypasses the Schmitt Trigger.
I don't see this specified in the documentation. Neither I see this in the IOE structure diagram.
Thanks,
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Sorry to bump the topic. But after two weeks I would appreciate an answer.
Thanks,
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I agree that it wouldn't make much sense that the Schmitt Trigger would be completely disabled if it drives a PLL. That wasn't exactly my question. My question was if the dedicated PLL input is connected to the Schmitt Trigger at all. Conceivable, the dedicated PLL input could always bypass the ST, even when the ST is still enabled for the normal (non PLL) I/O.
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