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Altera_Forum's avatar
Altera_Forum
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16 years ago

cyclone III: LCD Help needed

I have been trying to program the lcd on the cyclone iii but i don;t get any respone...i even probed the pins to check if what the pins were what they should be and most of the data pins just stay on...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

This kind of LCD is extremely slow, what is your clock frequency?

commands like "clear screen", take to execute even 40 ms.

Did you simulate this module?