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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

Data valid is used in cases that the video input has some times intervals with null data (not active data, not blanking data and not SAV or EAV, just stuffing).

In the case of the ADV7180 it is not relevant and as you understand correctly just tie it to VCC.