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Altera_Forum's avatar
Altera_Forum
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15 years ago

Cyclone III configuration

Hi, In the Configura Handbook,(referred below,page9–7 ) ../literature/hb/cfg/config_handbook.pdf it mentioned "All I/O inputs must maintain a maximum AC voltage of 4.1 V. " I don't know why...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Just make sure the voltage at the pin is NEVER bigger than 4.1V