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Explain with diagram functioning of Hardwired Control Unit.

Mumbai University > Information Technology > Sem 4 > Computer organization and Architecture

Marks: 8M

Year: May 2015

1 Answer
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HardWired Control Unit:

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  • Hard-wired control unit is implemented as sequential logic circuit or finite state machine ( FSM) generates controls s/g to execute the instruction.
  • It operates at faster clock rate and in less clock cycle then a soft wired control unit.

There are four techniques for design of hard wired control unit:

  • State Table Method:
    • It is a standard algorithmic approach to design sequential circuit.
    • In this approach, it is necessary to design a state table & this stable table can be implemented by using finite state machine (FSM).
  • This FSM has two types:
    • Mealy Type.
    • Moore Type.
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