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Repeater app Video Timing

Question asked by dan73 on Apr 27, 2014
Latest reply on Apr 28, 2014 by GuenterL

Hi

 

we use ADV7612 and ADV7511 in repeater app. In addition we use a FPGA to drive the ADV7511 directly.

 

We see differences between the video timing that is logged in the app and what we can measure with the scope on the ADV7612 signals.

 

If I understand the repeater app correctly, the EDID is read by the ADV7511 and send over to the ADV7612, then the source (e.g. PC) picks a timing that it things matches best and that timing can be read out of the ADV7612 again? As the ADV7612 drives the ADV7511 with this timing, the ADV7511 is not configured with timing info. Correct?

 

Thus, the difference in video timing is the recommended value in EDID and what the source actually delivers?

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