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!

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 3 years ago

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