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ADV7181C  display blue Screen problem

Question asked by HansXie on Aug 4, 2014
Latest reply on Aug 5, 2014 by GuenterL

Hi all,

   i am use ADV7181C CVBS in,CVBS in connect in AIN1,I need output 20bit 4:2:2YCbCr 656 SDR signal.ADV7181C output is to IT66121,is below.IT66121 is in 20bit 4:2:2YCbCr SDR embedded mode

I use ADV7181C reference design (AUTODETECT CVBS IN NTSC/PAL/SECAM, 8-Bit 422 encoder:),and i only modify register

0x6b from 83 to 81 and 0xc9 to 00,pls see below my setting.now the screen only display blue

Could you help advie need modify any other  register,thanks

adv7181c reg.GIF

 

it66121.GIF

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