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How to get Video Data from APTINA ISP to ADV7393

Question asked by Se-woong on Feb 3, 2016
Latest reply on Mar 1, 2016 by PaulS



My customer wants to use ATINA ISP and ADI ADV7393 in their system.

Please refer below block diagram about their system.

(Video source is 1280x720P 30Hz.)


But for handling 1280x720P 30Hz data, they say that  there are some problems about timming sync. signals.

Please refer the timming diagrams of ADV7393 and ISP.


1) ADV7393






2) ISP


As above diagrams, in case of ADV7393, data is avtive at hsync and vsync are low.


but in case of ISP, valid data is  out at Line valid(hsync) and frme valid (vsync) are high.


So they need your help how to match these misalignment of sync signals.


Would you advise how to get Video output data from ISP to ADV7393?



Please advise me.


If you have any questions, please let me know.