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Fall3n's avatar
Fall3n
Icon for New Contributor rankNew Contributor
2 years ago
Solved

Running into an issue with a minute/second countdown timer

I would like to start by saying I know this is Quartus 2 not Prime because my college uses 2. I did not see a form for 2 but need some help. we are basically restricted to using 74192 for the countdo...
  • FvM's avatar
    FvM
    2 years ago
    Setting to 5 requires a respective value at inputs A - D. You need additional logic to implement down-counting 0 to 5 and up-counting 5 to 0.