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ADV7180 - ADV7393 image blinking

Question asked by RAJJAR on May 31, 2018
Latest reply on May 31, 2018 by PoornimaSubramani

Hi all,

 

we are using ADV7180 - ADV7393 pair in our product. we dnot have EVM board.

ADV7180 = Autodetect CVBS In, YCrCb[7:0] OUT

ADV7393 = YCrCb In, CVBS/Y-C Out

 

Below are my configuration


42 00 00 ; INSEL = CVBS in on AIn 1
42 14 30 ;
42 04 57 ; Enable SFL
42 17 41 ; select SH1
42 31 02 ; Clears NEWAV_MODE, SAV/EAV  to suit ADV video encoders
42 3D A2 ; MWE Enable Manual Window, Colour Kill Threshold to 2
42 3E 6A ; BLM optimisation
42 3F A0 ; BGB
42 0E 80 ; ADI Recommended Write
42 55 81 ; ADI Recommended Write
42 0E 00 ; ADI Recommended Write
42 52 0D ;

 

56 00 1C ; Power up DACs and PLL
56 01 00 ; SD only mode
56 80 10 ; SSAF Luma filter enabled, NTSC mode
56 82 C9 ; Step control on, pixel data valid, pedestal on, PrPb SSAF on, YPrPb out.
56 87 20 ; PAL/NTSC autodetect mode enabled
56 88 00 ; 8 bit input enabled

 

S-video output is blinking both NTSC and PAL out

I have attached myoutput. kindly suggest to overcome..?

 

Regards,

RAJ M

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