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Altera_Forum
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14 years ago

Output voltage doesn't match settings

Hello! I'm using altera cyclone II DE1 EP2C20F484C7. I've set default I/O to 1.8V, set ALL I/O bank's Vccio to 1.8V. Also I'm using expansion slot. Then I have measured voltage on expansion he...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Placing a schottky diode of sufficient current capability instead of the jumper R30 to reduce VCCIO to about 3.0V should work.