Will the ADV7391 support a resolution of 800x600@120Hz (40M PClk)?
No the ADV7391 does not support anything at 120Hz. Also it does not support graphic modes (800X600)
Is the input YCbCr 4:2:2 or RGB 4:4:4?
The ADV7391 will support 1280x720x60Hz but not 800x600x60Hz, is this correct ?
Yes, that is correct.
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