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Altera_Forum
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17 years ago

7-segment display via schematic

I'm trying to create a simple circuit, using 4 switches (8-4-2-1) to drive digital logic, in order to light a single 7-segment LED. I've created the 4 input pins, wired them to inputs A,B,C, an...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

The posting isn't completely wrong here, I think. Basically the warnings idicate, that you have no logic connetion in effect between inputs and output, as you also see in the test. I guess that you used schematic entry with a maxplus2 library component. You either forgot to wire an enable signal of the 7447 component or didn't connect the in-and outputs correctly.