PPT-Lecture # 19: Control Unit Design and Multicycle Implementation

The CPU Control Unit We now have a fairly good picture of the logic circuits in the CPU Having designed the ALU or datapath so that it can perform the necessary instructions we now have to do the same thing for the control unit which decodes instructions and provides direction to the CPU. 1 Digital control system design Sampleddata closedloop ZOH ZOH equivalence ZOH ZOH 2014525 132 brPage 2br Zeroorder hold equivalence transfer function ZOH ZOH Input 0 0 u step step Output Ts We now sample this and take the transform ZOH Ts 1 201 Sx Qx Ru with 0 0 Lecture 6 Linear Quadratic Gaussian LQG Control ME233 63 brPage 3br LQ with noise and exactly known states solution via stochastic dynamic programming De64257ne cost to go Sx Qx Ru We look for the optima under control When these control signals are generated by hardware the control unit is hardwired When these control signals originate in data stored in a special unit and constitute a program on the small scale the control unit is microprogrammed brPage 2br Contr The main objective of a control system is to design a controller either in forward or in feedback path so that the closed loop system is stable with some desired performance Two mos t popular design techniques for continuous time LTI systems are usi Hardwired & Microprogrammed. Lecture for CPSC 5155. Edward Bosworth, Ph.D.. Computer Science Department. Columbus State University. The Central Processing Unit (CPU). The CPU has four main . components:. of . a Small-Scale Autonomous Hovercraft. Ryan Mackay. Joshua Bevan. Nicholas Lutz. Mario . Stamatiou. University of Massachusetts Lowell. James B. Francis College of Engineering. Department of Mechanical . LABET). Group Members . Mike . Svendsen. – Computer Engineer. Steve . Towey. – Computer Engineer. Brian Walker – Architect. Richard George – Industrial Technology. Client. – ISU Space Systems and Control Lab (SSCL). Control Unit Design Approaches. Hardwired:. - The control logic is wired into logic circuits. Microprogrammed. - Here the control logic is coded in to a low level . program. of Development Programs and Projects. Class . 7 . – . Randomization*. *(how to design an RCT that accommodates real world constraints). Randomly . sample. from area of interest. Clarification: . Random . Review: MIPS . (RISC) Design Principles. Simplicity favors regularity. fixed size . instructions. small number of instruction formats. opcode. always the first 6 bits. Smaller is faster. limited instruction set. Lecture 18 SORTING in Hardware SSEG GPO2 Sorting Switches LED Buttons GPI2 Sorting - Required I nterface Sort Clock R eset n DataIn N DataOut N Done RAdd L WrInit S (0=initialization 1=computations) DEPARTMENT OF ELECTRICAL ENGINEERING SCHEME OF INSTRUCTION & EXAMINATION I /IV B.TECH Common with SIX YEAR DUAL DEGREE COURSE II/VI ( B.TECH.+ M.TECH. ) (With effect from 2019 - 2020 admitted batc Lecture 1. 1. Chapter 7 Design and implementation. Topics covered. Object-oriented design using the UML. Design patterns. Implementation issues. Open source development. . 2. Chapter 7 Design and implementation. :. ARM® Edition. Sarah L. Harris and David Money Harris. Chapter 7 :: Topics. Introduction. Performance Analysis. Single-Cycle Processor. Multicycle. Processor. Pipelined Processor. Advanced Microarchitecture.