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How to implement a dual link DVI receiver by ADV7842?

Question asked by MartinGo on Jun 30, 2015
Latest reply on Feb 15, 2016 by Steffen

Hi,

     ADV7842 can only receive single link DVI signals.So how to implement a dual link DVI receiver by ADV7842?

     Here's a rough idea:We use two adv7842 to receive DVI Link 1 data and DVI Link 2 data separately.The DVI CLK can be sent to the two adv7842 at the same time.Then we can synchronize two sets of data into one clock domain using two FIFOs in the FPGA,as you can see from the picture below.

     But how to deal with two HPD signals?And is this idea practicable?

 

adv7842 dual-link.jpg

Regards,

Martin

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