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Altera_Forum's avatar
Altera_Forum
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19 years ago

how to slow down communication for LCD

Dear all, i've hacked the driver of 16x2 to get 20x4 LCD display. It works, but the problem is, that I need to connect the display via quite long flat cable, which is of course not terminated,...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

David,

Maybe problem is not in duration bus time but in risng/falling edges... Perhaps edges are too strong and long line reflections occurs. Perhaps helps change some parameters for outputs pin in Quartus...