Computer Organisation and Architecture - Vol 2 | 21. Micro-Programmed Control Unit by Abraham | Learn Smarter
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Knowledge
21. Micro-Programmed Control Unit

The chapter delves into the intricacies of micro-programmed control units, highlighting the significance of sequencing in generating control signals from memory locations. It elaborates on the fetch-execute cycle where instructions are processed through a series of micro instructions, governed by conditional branching based on status flags. The discussion encompasses micro-program memory architecture, addressing the role of the micro-program counter in the execution phases, along with the importance of designing control signals for effective instruction execution.

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Sections

  • 21.1

    Micro-Programmed Control Unit

    The micro-programmed control unit is designed to generate control signals in a predetermined sequence stored in memory, allowing for a systematic execution of instructions.

    Learning Practice

  • 21.1.1

    Sequencing And Control Signals

    This section discusses the functions of the micro-programmed control unit in generating control signals sequentially and handling conditional branching during instruction execution.

    Learning Practice

  • 21.1.2

    Micro-Program Memory Architecture

    The section discusses the function and organization of micro-program memory architecture in control units, emphasizing the generation and sequencing of control signals.

    Learning Practice

  • 21.1.3

    Instruction Fetch And Execution

    This section discusses the micro-programmed control unit's role in generating and sequencing control signals during instruction fetch and execution.

    Learning Practice

  • 21.1.4

    Incrementing The Micro-Program Counter

    This section explains how the micro-program counter (MPC) operates in generating control signals and the sequencing necessary for executing instructions.

    Learning Practice

  • 21.1.5

    Branch Decision Logic

    This section discusses the role of branch decision logic in micro-programmed control units, focusing on sequencing control signals based on condition codes and status flags.

    Learning Practice

  • 21.1.6

    Structure Of A Micro-Program Memory

    This section outlines how a micro-programmed control unit generates and manages control signals in a specified sequence from a micro-program memory.

    Learning Practice

  • 21.2

    Control Signal Generation And Sequencing

    This section discusses how control signals are generated and sequenced in a micro-programmed control unit.

    Learning Practice

  • 21.2.1

    Micro-Program Organization

    This section discusses how micro-programmed control units generate control signals in the correct sequence, highlighting the importance of sequencing, the role of memory, and how instructions are fetched and executed.

    Learning Practice

  • 21.2.2

    Memory Organization Of Micro-Programs

    This section discusses the organization and sequencing of control signals in micro-programmed control units.

    Learning Practice

References

21 part b.pdf

Class Notes

Memorization

What we have learnt

  • Micro-programming involves ...
  • The micro-program counter (...
  • Conditional branching is es...

Final Test

Revision Tests