![]() In serial adders, pairs of bits are added simultaneously during each clock cycle. The only difference between circuits of Mealy and Moore type FSM for serial adder is that in Moore type FSM circuit, output signal s is passed through an extra flip-flop and thus delayed by one clock cycle with respect to the Mealy type FSM circuit. A serial adder consists of a 1-bit full-adder and several shift registers. S = y 1 Fig: State table for the Moore type serial adder FSM Fig: State-assigned table for the Moore type serial adder FSM Fig: Circuit for Moore type serial adder FSM Fig: State Diagram for Moore type serial adder FSM Therefore we will four states namely: G 0, G 1, H 0 and H 1. ![]() ![]() ![]() Show how a bit-serial adder adds the two numbers a 0101 and b 0110. Since in both states, G and H, it is possible to produce two different outputs depending on the valuations of the inputs a and b, a Moore type FSM will need more than two states. Design components of a Booth multiplier: a) Design the logic for one bit of the. In a Moore type FSM, output depends only on the present state. The flip-flop can be cleared by the Reset signal at the start of the addition operation. S = a ⊕ b ⊕ y Fig: State table for the Mealy type serial adder FSM Fig: State-assigned table for the Mealy type serial adder FSM Fig: Circuit for Mealy type serial adder FSM
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