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Altera_Forum's avatar
Altera_Forum
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15 years ago

Video Clocked output and VGA

Hi all. I am using a DE2 , and I am trying to show RGB test pattern generator on the VGA. I am using vip to genereate the colour bars, but i have not benn able to fully understand the way VCO wo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

quite strange.

i used the video and audio config provided by altera to set up adv7181.

then, settings of my vip CVI should be correct.

here they are:

http://img502.imageshack.us/img502/8623/cvi.png (http://img502.imageshack.us/i/cvi.png/)

and thi is the schematic of my system:

http://img34.imageshack.us/img34/617/schematic.png (http://img34.imageshack.us/i/schematic.png/)

I don-t know why, but STILL it seems to be wrong..

The other components work correctly using a test pattern generator, (8bits, Ycbcr 4:2:2) instead of the clocked input..

suggestions?