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Altera_Forum's avatar
Altera_Forum
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17 years ago

Counter and time delay

Hi, I'm very new in Quartus, I just started a couple of days ago. The situation is that I've 4 inputs (only one of these can be active at time) and every time input changes to another, I n...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Basically you need a clock to generate the delay, possibly debounce the input, easy detect edges on mutiple inputs. If the timing isn't critical, also the internal clock oscillator of a MAX II CPLD can be used, with FPGA, you very likely have a crystal oscillator available on your board.