Question

In: Electrical Engineering

On logisim or any circuit building program, design a counter that counts 9,8,7,6,5,4,3,2,1,0 then back to...

On logisim or any circuit building program, design a counter that counts 9,8,7,6,5,4,3,2,1,0 then back to 9. After, add to it's output a 7 segment decoder and it's display.

thank you!

Solutions

Expert Solution

PRESENT STATE

NEXT STATE

Q3

Q2

Q1

Q0

Q3+

Q2+

Q1+

Q0+

0

0

0

0

1

0

0

1

0

0

0

1

0

0

0

0

0

0

1

0

0

0

0

1

0

0

1

1

0

0

1

0

0

1

0

0

0

0

1

1

0

1

0

1

0

1

0

0

0

1

1

0

0

1

0

1

0

1

1

1

0

1

1

0

1

0

0

0

0

1

1

1

1

0

0

1

1

0

0

0

1

0

1

0

X

X

X

X

1

0

1

1

X

X

X

X

1

1

0

0

X

X

X

X

1

1

0

1

X

X

X

X

1

1

1

0

X

X

X

X

1

1

1

1

X

X

X

X

We will be using D-Flip Flop for the Implementation as D - Input is same as next state expressions derived below using K-Maps.

Circuit is implemented and verified on MultiSim

Manojponduru answered 1 year ago
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