1- Design a counter which counts down, with the repeated sequence: 2, 1, 0, when the input to the counter circuit is 1. The counter doesn't count (stays at the same state) when the input is 0. The circuit is to be designed by treating the unused states as don't care conditions. Analyze the circuit obtained from the design to determine the effect of the unused states. Use T flip flops in your Design.
1- Design a counter which counts down, with the repeated sequence: 2, 1, 0, when the input to the counter circuit is 1. The counter doesn't count (stays at the same state) when the input is 0. The circuit is to be designed by treating the unused states as don't care conditions. Analyze the circuit obtained from the design to determine the effect of the unused states. Use T flip flops in your Design.
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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![1- Design a counter which counts down, with the repeated sequence: 2, 1, 0,
when the input to the counter circuit is 1. The counter doesn't count (stays at the
same state) when the input is 0. The circuit is to be designed by treating the
unused states as don't care conditions. Analyze the circuit obtained from the
design to determine the effect of the unused states. Use I flip flops in your
Design.
2- Design a 3-bit binary counter with the following function table, using D, T,
JKFlipflops: (M is the input that shows the mode of operation) (Explain the
steps)
M
Mode
Binary up
(0,1,2,3,4,5,6,7,0,1,2,3....)
Binary pseudo-random
(1,4,5,7,3,0,2,6,1,4,5,7, ...)
1
• Draw the state diagram of this circuit.
• Draw the next state table based on input and present state.
• Draw the circuit](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31196312-9f5a-4b79-9e40-3ff639cc589e%2F8fb7f6ed-36fd-43f8-94b8-26986ab3b96c%2Fv30ua7e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1- Design a counter which counts down, with the repeated sequence: 2, 1, 0,
when the input to the counter circuit is 1. The counter doesn't count (stays at the
same state) when the input is 0. The circuit is to be designed by treating the
unused states as don't care conditions. Analyze the circuit obtained from the
design to determine the effect of the unused states. Use I flip flops in your
Design.
2- Design a 3-bit binary counter with the following function table, using D, T,
JKFlipflops: (M is the input that shows the mode of operation) (Explain the
steps)
M
Mode
Binary up
(0,1,2,3,4,5,6,7,0,1,2,3....)
Binary pseudo-random
(1,4,5,7,3,0,2,6,1,4,5,7, ...)
1
• Draw the state diagram of this circuit.
• Draw the next state table based on input and present state.
• Draw the circuit
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