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In: Electrical Engineering

Design a “disk spinning” animation circuit for a CD player. The input to the circuit will...

Design a “disk spinning” animation circuit for a CD player. The input to the circuit will be a 3-bit binary number A1, A2, A3 provided by 3-bit up counter. The circuit for 3-bit counter has already been provided in CCT file on Google Classroom, so there is no need to design the up counter yourself.
The animation will appear on the top four lights of the LED display of Figure, i.e., on X1, X2, X7, and X6, going clockwise as shown in Figure 1.
Figure 1 Seven Segment Indicator
The animation should consist of a blank spot on a disk spinning around once, beginning with X1. Then, the entire disk should blink on and off twice. The pattern is shown in figure 2.
Figure 2 Disk Spinning Pattern
You have to design a circuit that must use two 2x1 multiplexers, and two 4x1 multiplexers in the design. You may also use logic gate(s) in the design.
(a) Draw the truth table for the circuit below. The truth table must cover all the possible cases. Stick to the notations use in the question.

(b) Drive the input equations for the multiplexers.   

(c) Implement the same circuit on LogicWorks. The output of the circuit must be shown through 7Seg Disp component in the LogicWorks. There is no restriction on the selection of 2x1 mux and 4x1 mux variants available in the LogicWorks. You have to connect the up-counter circuit already provided to you with your designed circuit

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