modified 11 years ago

What Goes Up Must Come Down

00:44:42

If '0' then count up
If 'F' then count down
Pointless and useless circuit.. 5/5

published 11 years ago

reinhold

11 years ago

Well, not useless at all... Too many gates though...

roops1967

11 years ago

Tried using carry and borrow to reverse the direction of the counting, it's tricky I've tried an haven't got it to work

GingerKing

11 years ago

I designed this the least complicated way possible. 2 muxs, 2 sets of logic if "0000" then true; else false; same thing for "1111"

GingerKing

11 years ago

The flip-flop stores the "direction" bit

reinhold

11 years ago

Hi GingerKing, check out my UP DOWN SEQUENTIAL COUNTER. Less parts... Much less

GingerKing

11 years ago

Hello reinhold, you spend a clock cycle to change direction while my circuit does not

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