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Altera_Forum
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11 years ago

reading external signal

Hi, I need capture external signal (RGMII). I'm able to do it, but I have a problem when the clock is delayed (only a little) after the data. In that case I'm not able capture data corectly. In al...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

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In this context DLL = PLL

Refer to the infomation about PLL and ALTPLL megafunction provided in the same document

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Ok, when I don't use PLL I has to be able to set input delay for clock or data by the assignment editor or by the TimeQuest.

I've tried to set "Input delay from pin to input register" at the data pins and it helps me but I don't understand what means the number in value column (assignment editor). Has somebody more experiences in this?