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ADV7850 project questions

Hey all, I am looking to use the ADV7850 for a project that involves converting the RGB signals from a JAMMA arcade board to HDMI. 

1) if I am only using the CP video processor, do I need to add the DDR2 ram to the ADV7850?

2) does the ADV7850 do any kind of video deinterlacing or video scaling?