Design an up/down counter with four states (0, 1, 2, 3) using clocked JK flip flops....

Design an up/down counter with four states (0, 1, 2, 3) using clocked JK flip flops. A control signal x is used as follows: When x = 0 the machine counts forward (up), when x = 1, backward (down). Simulate using MultiSim and attach a simulation printout.

Please address the following:

State Table
State Diagram
Flip Flop Excitation Tables
K-Map Simplification and Resulting Diagram
MultiSim Simulation

Expert Solution

EXCITATION TABLE OF JK FLIP FLOP

Q	Q+	J	K
0	0	0	X
0	1	1	X
1	0	X	1
1	1	X	0

STATE TABLE

PRESENT STATE		INPUT	NEXT STATE		JK FLIP FLOP INPUTs
Q1	Q0	X	Q1+	Q0+	J1	K1	J0	K0
0	0	0	0	1	0	X	1	X
0	0	1	1	1	1	X	1	X
0	1	0	1	0	1	X	X	1
0	1	1	0	0	0	X	X	1
1	0	0	1	1	X	0	1	X
1	0	1	0	1	X	1	1	X
1	1	0	0	0	X	1	X	1
1	1	1	1	0	X	0	X	1

Manojponduru answered 2 years ago

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