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Altera_Forum
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10 years ago

Verliog - & and | operations backwards?

I am learning Verilog and at a stage in which I would like to see some results from my dev board. I have started with a very simple program which takes two inputs and uses the "&" function to outp...
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Altera_Forum
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10 years ago

Which means the inputs are active low (e.g. if it is a push button it means you get a zero when the button is pressed), and the output is inverted (e.g. the LED is driven by a n-channel FET, NPN transistor, or connected with anode to VCC and cathode to the pin).

The boolean reduction of your ~(~a & ~b) is simply (a | b), so if all inputs and the output have inverted meaning then you need to do the OR function.