AnsweredAssumed Answered

ADV7181C blue screen doesn't come up, but no video is detected

Question asked by Boris.Yost on Nov 27, 2013
Latest reply on Feb 4, 2014 by DaveD

Hello everybody, current problem...

 

We have the ADV7181C.  I am using the CP to capture a nonstandard monochrome format that resembles RS-170.  I am 2x oversampling it.

 

If I have video on, I can write to 0xBF[0] and force output of default colors (blue screen of death).

I can set the Free Run Line Length to an appropriate value.

When I have FR_LL set, when I disconnect video I don't get the blue screen.  The output just dies.  It comes back when I plug it back in.

If I set FR_LL to the wrong value, it locks up the same way; when I fix it, it comes back.  This proves that the line length threshold detection is working correctly (or trying very hard).

 

How do I get my blue screen of death back?

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