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Altera_Forum's avatar
Altera_Forum
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16 years ago

Is "data valid" signal required for the clocked video input?

Hello. I'm a video newbie trying to use the clocked video input with a DE2-70 dev board from Terasic, which includes the ADV7180 video decoder chip. My current processing chain includes several oth...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Somehow I missed the blurb in the documentation about vid_datavalid behaving "slightly differently" for embedded sync signals.

It seems that the right thing to do would be to simply tie the signal high; is that correct? (Assuming that the ADV7180 delivers one sample per clock.)