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Altera_Forum
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14 years ago

Reading Input Pin

Hi, I want to read a signal from a PIN. Everything ist fine I built it up in the SOPC Builder and declare a 8bit for Input. I chose 8Pins in Quartus and everything wotks fine. I can write O...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

And if your pins are defined as inputs with weak pull-ups (which is the default on most devices) then they will read 1 unless you connect them to ground. Connecting them to Vccio won't change their value.