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Altera_Forum
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17 years ago

Selectable LVTTL Inputs - Cyclone II

Hello All, I recently discovered this forum and very excited about the wealth of information it contains. Anyway, I have what might be considered a novice question. I'm hoping to find th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Thanks for all the help everyone!! I've been researching this stuff all day. It seems my board has an I2C connection allowing me to dynamically program the VCCIO voltage. If were to say change the VCCIO voltage from 3.3V down to 1.8V in order to use the 1.8V to 3.3V range that FvM mentions, what would I need to set the I/O Standard in Altera's Pin Planner to use this range?