Yes, we need to set the polarity of the video timing control bits (the default is HS, VS,and DE active high).
Please refer Page161 in ADV7613 User guide.
Thanks you for answering.
Is it necessary to set the polarity of HS, VS, DE of HDMI to be used for input?
I beleive no,there is no Polarity settings for HDMI input in adv7613,Please refer Page15(RECOMMENDED SETTINGS FOR HDMI INPUTS) in Adv7613_Reference_Manual.
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