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Davinci Evaluation Module DM6446 Video Loopback

azhagiri s
Intellectual 655 points

Hello sir,

We are using spectrum digital inc Davinci DM6446 evaluation board. In the video loop back we are getting only the black color blank screen, we are not getting the expected output (composite) video. Input video is PAL Standard composite video.We tried out the code which is given in spectrum digital inc website example demo codes.The same video codes we tried with RGB color pattern display, that output we are getting properly. Please give us the solution to work with video loop back..
 
The evaluation module which we are using is (EVM6446- REV F)
 
Regards,
azhagiri.s