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what does 'lcount' stand for in adv7181c datasheet?

Question asked by freshair on Feb 20, 2012
Latest reply on Mar 18, 2012 by freshair

on page 243 ADV7181C_Manual_RevC.pdf (or search for keyword 'lcount' ), it says, how many lines after lcount rollover to set V high( set V low, toggle F signal) .

 

My questions are, where does this 'lcount' come from ? what is it used for ? what does it mean here 'after lcount rollover' ?

 

Thanks!

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