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Mirror effect on ADV7184-ADV7179 board

Question asked by weirdgyn on Mar 28, 2011
Latest reply on Jul 22, 2011 by weirdgyn



I recently developed a board with a ADV7184 and ADV7179 ICs connected togheter (with and additional micro connected trough I2C bus). I have some problems that I have to fix. I left all the settings as 'default' on both IC  and I provided a PAL CVBS input on AIN1 of ADV7184. From the B output of the ADV7179 i found an image being 'mirrored' on the horizontal axis and with a poor vertical synch. What 'errors' or misconfiguration may lead to this behaviour? From the ADV7179 I read that it's mostly preset for NTSC output ... may this interfere if the output is in PAL format?

Best regards,

Michele Santucci