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Altera_Forum
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12 years ago

Beginner question Cyclone IV bank IO voltages

Hello, I am working with an Altera FPGA (Cyclone IV E) for the first time ever and I am starting to draw the schematic. There is one question I can't figure out about the IO Bank voltages. I woul...
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Altera_Forum
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12 years ago

Yes, these are special IO's so even though they are in specific banks, do as the handbook describes.

I don't know what the internal structure of these specific IO's are, but they may but even if they are connected to the 3.3V bank IO, a 2.5 V input level is a valid high for a 3.3 V input.

Pete