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Altera_Forum's avatar
Altera_Forum
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11 years ago

[VHDL] Help with "stuck at VCC"

I need to make an output pulse (within certain conditions) becomes a '1' constant (in an LED).I was able to code, but the output is stuck at VCC. I do not know how to fix this. Can anyone help me ple...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

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In this case, when the 'enable' stop being '1' the led turns off. And this is wrong, cause the user will not press "enable" button forever.

I want if the output is '1' once is forever; regardless of the value of the enable.

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You either change enable to a toggle switch instead of current button or learn how to keep enable high internally using clock edge ...etc.

and hopefully LED wouldn't burn