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Unformatted text preview: “Reverse Engineering” Consider the logic circuit shown below. D Q Q T Q Q Z I A B a. Is this a Moore machine or a Mealy Machine? Why? b. Are the flip flops negative or positive edge triggered? c. What variables are the inputs to this circuit? d. What variables are the outputs of this circuit? e. Write down the input function to the T flip flop. f. Write down the input function to the D flip flop. g. Write down the output function of this circuit. h. Derive the equation for the next state A* for the T flip flop. i. Derive the equation for the next state B* for the D flip flop. A B I A* B* Z 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 j. Complete the state transition table to the right, and sketch the state diagram for this machine, keeping in mind the appropriate notation for Moore and Mealy machines....
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- Spring '08
- Mealy Machines, COCO In-Class Activity