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Altera_Forum
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16 years ago

Problem with character LCD on Cyclone III FPGA Development Kit

Hello, I am writing because I have a problem with the character LCD on Cyclone III FPGA Development Kit. I cannot write anything on it, I always have the first line completely black, and the se...
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Altera_Forum
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14 years ago

Hi,

It's the data pins that you connect to the LCD that have to be bidirectionnal, you do this in Quartus II. In the first picture attached, its LCD_DATA[7_0] (FPGA pins AB3, V6, V5, ..., AA4).