Computer Organisation and Architecture - Vol 2 | 19. Finite State Machine Implementation for ADD R1,M by Abraham | Learn Smarter
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19. Finite State Machine Implementation for ADD R1,M

The chapter covers the operation of hardwired control units in CPUs, focusing on the sequencing of operations and control signals involved in executing macro instructions. It delves into the roles of micro-instructions and the significance of external signals in determining state transitions in finite state machines. Additionally, the importance of optimizing hardware implementation for conditional and unconditional jumps is emphasized.

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Sections

  • 19.1

    Finite State Machine Implementation For Add R1,m

    This section explains the implementation of a finite state machine (FSM) to execute the ADD instruction, specifically ADD R1,M, detailing the control signals and stages involved.

    Learning Practice

  • 19.1.1

    Control Signals And Micro-Instructions

    This section explores the role of control signals in executing micro-instructions, emphasizing their generation and the interdependence of internal and external signals.

    Learning Practice

  • 19.1.2

    State Transition Details

    This section discusses the details of state transitions in a finite state machine, emphasizing the role of control signals and the relationship between program counters and external signals.

    Learning Practice

  • 19.1.3

    External And Internal Signals

    This section delves into the significance of external and internal signals in micro-instructions, highlighting their roles in control signal generation and instruction execution.

    Learning Practice

  • 19.2

    Finite State Machine For Different Instructions

    This section covers the implementation of a finite state machine (FSM) used to manage various CPU instruction operations, focusing specifically on the ADD instruction and its control signals.

    Learning Practice

  • 19.2.1

    Instruction Fetch Process

    This section covers the instruction fetch process in a CPU, detailing how control signals direct the fetching and updating of instructions from memory.

    Learning Practice

  • 19.2.2

    Jump To M Instruction Implementation

    This section focuses on the implementation details of the 'Jump to M' instruction in a finite state machine context.

    Learning Practice

  • 19.2.3

    Conditional Jump Implementation

    This section explores the implementation of conditional jumps in CPU instruction processing, highlighting micro-instructions and control signals involved.

    Learning Practice

  • 19.3

    Design And Flexibility In Control Units

    This section explains the design and operational flexibility of control units in CPUs, focusing on how micro-instructions interact with control signals during the execution of macro instructions.

    Learning Practice

  • 19.3.1

    Optimizing Finite State Machines

    This section discusses the optimization of finite state machines (FSM) in computing, focusing on their control signals and operational states.

    Learning Practice

  • 19.3.2

    Micro Program Based Control

    Micro Program Based Control involves a series of control signals generated to execute macro instructions using finite state machines.

    Learning Practice

  • 19.4

    Questions And Outcomes Of The Unit

    This section details the functioning of a hardwired control unit, including input signals and state transitions in the execution of macro instructions.

    Learning Practice

  • 19.4.1

    Block Diagram For Control Units

    This section introduces the block diagram of control units in computer architecture, elaborating on the functions of various control signals and states during instruction execution.

    Learning Practice

  • 19.4.2

    Design Objective For Controllers

    This section discusses the design objectives for controllers, specifically focusing on the finite state machines that manage the control signals for micro-instructions, using an example of an ADD instruction.

    Learning Practice

References

20 part b.pdf

Class Notes

Memorization

What we have learnt

  • The operation of hardwired ...
  • Finite state machines are e...
  • Conditional jumps require e...

Final Test

Revision Tests