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ADV7393 pixel compression in the square pixel mode

Question asked by HankZ on Apr 24, 2015
Latest reply on Jul 23, 2015 by PaulS

We are using the ADV7393 connected to a TI DM648 DSP to output NTSC video.  When put the part in square pixel mode and output video, we get output video that is squished horizontally by about 14 pixels or a little over 2%.  Do you have any information on this?  We are following the setup in Table 79 from the data sheet.  I have verified my clock at 24.5454 Mhz.  I don't see any other parameters that could result in this scaling.  Any ideas?