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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

Thanks again for the reply.

The sdram I am using is A2V64s40CTP -G6, wich is said to support 166 Mhz of clock.

I've used slower clocks, such as 25MHz for VGA, 50MHz for vip interfaces and 100MHz for the sdram, but still I can't get a "valid" output.

I used the -3ns delay for the sdram, so IF all this is right, maybe I used the wrong settings for the Avalon-MM master interfaces.