At your first job after graduating, you have been assigned to design the logic circuit of...
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At your first job after graduating, you have been assigned to design the logic circuit of a new children's toy. The toy is turned on by the parent using a small button on the back that is not part of your design. Once the toy is turned on, there are 2 large buttons on the front that the child may press. You must consider both of these buttons in your design. Button 1 controls the lighting of 3 lights: red, yellow, and blue. Before button 1 is pressed, the toy is in its initial state with no lights on. When button 1 is first pressed, the red light turns on. When button 1 is pressed again, the red light turns off and the yellow light immediately turns on. When button 1 is pressed again, the yellow light turns off and the blue light immediately turns on. When button 1 is pressed again, the blue light turns off and the red light immediately turns on again. There are 3 outputs from your circuit connecting to the lights. One output goes to each of the 3 lights. You must send a logic high signal to the appropriate light to turn it on. The second button controls music played by the toy. Regardless of what state the lights are in, a press of button 2 turns the music on. When the music is on, a press of button 2 turns the music off. There is 1 output from your circuit connecting to the music player. This output should be logic high when the music is on. You may assume only 1 button is pressed at a time. The button press is momentary, where one press generates a 1 in the incoming serial data inputs, which are otherwise 0. If your design results in unused states, ensure their next state is off. Any outputs from unused states are to be treated as off for their value. Implement your design for the lights and music using JK flip-flops in a Moore model. On the following pages you will find 5 parts to this question which will require you to draw the state diagram, define the state table, minimize the Boolean functions, neatly draw the final circuit, and modify the design. a) Very neatly and concisely draw the state diagram(s) for this design. Be sure to clearly label states, input(s), and output(s). Clearly define each state and assign each an appropriate binary value. [5 marks] b) Very neatly record the correct ordered state table(s) of the state diagram and include the flip-flop inputs. [5 marks] c) Neatly create and complete the required k-maps for the design and minimize the minterms. Place a box around each final minimized Boolean function. Ensure to write each term in alphabetical order (i.e., correct: pqrst, incorrect: stqpr). [5 marks] d) Very neatly draw your design's digital circuit using standard logic symbols. Label all inputs and outputs. You may assume the complement of any variable is readily available. [6 marks] e) Now imagine the design specification has changed slightly so that the music is only turned on by button 2 if a light is on. For example, if no light is on, a press of button 2 will not have any effect. Use JK flip-flops in a Moore model. Draw the new digital circuit. You do not need to do the full design process if you can otherwise determine a correct circuit that will implement the required functionality. Label all inputs and outputs. You may assume the complement of any variable is readily available. [5 marks] At your first job after graduating, you have been assigned to design the logic circuit of a new children's toy. The toy is turned on by the parent using a small button on the back that is not part of your design. Once the toy is turned on, there are 2 large buttons on the front that the child may press. You must consider both of these buttons in your design. Button 1 controls the lighting of 3 lights: red, yellow, and blue. Before button 1 is pressed, the toy is in its initial state with no lights on. When button 1 is first pressed, the red light turns on. When button 1 is pressed again, the red light turns off and the yellow light immediately turns on. When button 1 is pressed again, the yellow light turns off and the blue light immediately turns on. When button 1 is pressed again, the blue light turns off and the red light immediately turns on again. There are 3 outputs from your circuit connecting to the lights. One output goes to each of the 3 lights. You must send a logic high signal to the appropriate light to turn it on. The second button controls music played by the toy. Regardless of what state the lights are in, a press of button 2 turns the music on. When the music is on, a press of button 2 turns the music off. There is 1 output from your circuit connecting to the music player. This output should be logic high when the music is on. You may assume only 1 button is pressed at a time. The button press is momentary, where one press generates a 1 in the incoming serial data inputs, which are otherwise 0. If your design results in unused states, ensure their next state is off. Any outputs from unused states are to be treated as off for their value. Implement your design for the lights and music using JK flip-flops in a Moore model. On the following pages you will find 5 parts to this question which will require you to draw the state diagram, define the state table, minimize the Boolean functions, neatly draw the final circuit, and modify the design. a) Very neatly and concisely draw the state diagram(s) for this design. Be sure to clearly label states, input(s), and output(s). Clearly define each state and assign each an appropriate binary value. [5 marks] b) Very neatly record the correct ordered state table(s) of the state diagram and include the flip-flop inputs. [5 marks] c) Neatly create and complete the required k-maps for the design and minimize the minterms. Place a box around each final minimized Boolean function. Ensure to write each term in alphabetical order (i.e., correct: pqrst, incorrect: stqpr). [5 marks] d) Very neatly draw your design's digital circuit using standard logic symbols. Label all inputs and outputs. You may assume the complement of any variable is readily available. [6 marks] e) Now imagine the design specification has changed slightly so that the music is only turned on by button 2 if a light is on. For example, if no light is on, a press of button 2 will not have any effect. Use JK flip-flops in a Moore model. Draw the new digital circuit. You do not need to do the full design process if you can otherwise determine a correct circuit that will implement the required functionality. Label all inputs and outputs. You may assume the complement of any variable is readily available. [5 marks]
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a State Diagram State S0 Initial State Inputs B1 B2 Outputs Red Yellow Blue M... View the full answer
Related Book For
Cost management a strategic approach
ISBN: 978-0073526942
5th edition
Authors: Edward J. Blocher, David E. Stout, Gary Cokins
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