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Altera_Forum
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16 years ago

DE2 LCD BackLight

I have recently gotten the LCD to display text and numbers like I want, but I CANNOT get the LCD backlight to come on. There is a pin called PIN-K2 that is for the backlight and I have it set to VCC,...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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Look at your LCD , on the right of it, there are pads of baclight

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Well, according to the schematic and user manual, the backlight - if present at all - is connected through the 16 pin connection rather than the dedicated backlight pins.

The LCD module type referenced in the DE2 System CD datashet has a white LED backlight. But as said, there may be different versions. A visual inspection should clarify whats assembled to your DE2 board.