Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

VIP Clocked Video Input Seperate Sync Timing Tolerance

Hello All, - I'm running analog video to a TI TVP7002, which decodes it into 24 bit digital clocked video with seperate syncs. My output is a vanilla parallel TTL interface SVGA LCD. Plan is to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi Kevin, Thanks for your help so far.

The timings work when I connect the TVP7002 directly to the LCD. So this confirms that the clock is the correct clock too. Yes the short vertical porches are a concern; I'm going to see if I can enlarge them - but I don't think that's the issue as they are still plenty wide to trigger the timer that would be used in the clocked video input.

I have the FIDOUT configured for Data Enable, with about HFP = HBP = 20px or so.