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ADV7441A:  CP input  digital composite separated sync (DCS) problem

Question asked by Vid123 on Jul 12, 2011
Latest reply on Jul 29, 2011 by mattp

We have little problem with the DCS analog video (4 witres: RGB and CS on HS pin)

 

ADV7441A is works fince if the video is progressive scan !

 

However, if video is interlace scan the HS output pin of the 7441 once a while goes flat for few ms,

 

Note: We use the auto grpahics mode to config the AD7441A for this interlace scan video

 

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Does anyone enounter this problem before ? and how to fix it?

 

Thank you,

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