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Altera_Forum
Honored Contributor
Honored ContributorVGA problem
Hi, Anyone here can help me with VGA problem, the program code just simply output one colour to monitor. However, my monitor display nothing. I have no idea what happen. :( The attachment is my...
Altera_ForumHonored Contributor
Honored ContributorHello,
Take a look at this reference. http://www.cs.columbia.edu/~sedwards/classes/2011/4840/video.pdf (http://www.cs.columbia.edu/~sedwards/classes/2011/4840/video.pdf) Please pay attention to Hsync, Vsync and Blank polarity. If the polarity is wrong the problem usually looks like this. Did you use Signal Tap for debugging? Good luck,
