Forum Discussion

Honored Contributor

14 years ago

Altera DE0-nano with an LCD connected

Hey everyone, for a project of mine I am using the Altera DE0-nano board. I want to display some text on a 2x16 LCD which is connected via GPIO_0. The controller for the LCD is HD44780 compatib...

Altera_Forum

Honored Contributor

14 years ago

Why should it damage the board? On each GPIO are two different VCC's: VCC_SYS and VCC3P3. According to the user manual (http://www.terasic.com.tw/cgi-bin/page/archive_download.pl?language=english&no=593&fid=75023fa36c9bf8639384f942e65a46f3) VCC_SYS is 5V and VCC3P3 is 3.3V. But I can't get voltages beyond 3.3V for the pins. So I need to change the voltage for the LCD to 3.3V and the voltage of the pins to 2.5V, right?

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Altera DE0-nano with an LCD connected

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