Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Problem with VGA controller

Hello! I include in my project lcd vga controller from the auto_graphics_ref_design-v1.0.4 . I see on the screen simple graphics( lines, boxes, circules), but image is very unstable: it jumpin...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Hello tembridis! I settled this problem. All was because my lcd require little different timings. Thats why a wrote my own lcd controller. But I have another problem. When I add second layer(with DMA), Fmax decreases very much.