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Detecting NTSC video on ADV7842

Question asked by JeffMcD on May 2, 2011
Latest reply on May 3, 2011 by mattp

Is there a way to have an interrupt generated to indicate that an NTSC source has been connected while in graphics mode? I tried using the SDP_VIDEO_DETECTED interupt but that only works when in SDP mode.

 

I am trying this on the evaluation board, connecting the NTSC source to the RCA connector, which is connected to AIN11 on the 7842.

 

Thanks

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