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ADV212 encoding,the whole image is  gray

Question asked by Markmin on Nov 1, 2015
Latest reply on Nov 2, 2015 by DaveD

     We use camera(OV5640) and the ADV212 to complete image compression.The ADV212 encode mode is custom-specific. The image resolution  is 640 × 480 and the format  is YUYV. All the singals including PCLK,VSYNC,HSYNC and FIELD to ADV212 meet the requirements. But the encoded image is gray.Could you tell me  where maybe I made a mistake?