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Altera_Forum
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14 years ago

Understanding training patterns for Stratix-II deserializer DPA

Hi, I am trying to figure out requirements for Dynamic Phase Alignment (DPA) as implemented by LVDS receiver (non-GXB) in Altera Stratix-II family. The device handbook provides very limited inf...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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So from now on I want to rely on exact knowledge.

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As far as I understand, you mainly observed the problem, that the receiver isn't stable enough over the intended temperature range. I can't see, how the problem should be related to train patterns or some hidden DPA properties that you suspect.

In my view, is simply a case of operating near the speed limits.