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Altera_Forum
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14 years ago

Input pin, without a driver.

Hi all I have a problem related to a thread (http://www.alteraforum.com/forum/showthread.php?t=26988)I once opened. lets say I want an optional input pin, that is not always in use. I used...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

The schematic entry tool will automatically connect unconnected inputs to GND I think. That does not happen in VHDL, and all inputs have to be specified - whether connected to a pin or '1' or '0'. I suggest you may need to put this generate at the top level.