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Altera_Forum
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10 years ago

Voltage GPIO DE1/DE2?

Hello! I have a question, everybody help me. How much is the voltage input/output GPIO DE1/DE2? And if i assign high signal (5v), low (0v) from power supply to GPIO, Kit DE1/DE2 have get signal with ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Thank for reply my question! But i'm doing a project transmit audio with UART, recieve singal from UART is 5v (Logic 1), if i use variable resistors to convert 5v -> 3.3v, it may wrong?