COMP541 Sequencing and Control -- II

Apr 23, 2013

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2. Topics. Still on Chapter 8Last classHardwired controlNowMicroprogrammed control of multiplier. 3. Microprogrammed Approach. Control values stored in a memoryJob of instructions is to generate control signals to datapath and output. 4. Nomenclature and Characteristics. Word of memory called microinstructionThe set of instructions called microprogramSometimes in ROM, sometimes loadableOften wide word.

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COMP541 Sequencing and Control -- II

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COMP541 Multicycle MIPS

COMP541 Multicycle MIPS. Montek Singh Mar 25, 2010. Topics. Issue w/ single cycle Multicycle MIPS State elements Now add registers between stages How to control Performance. Multicycle MIPS Processor. Single-cycle microarchitecture : + simple

877 views • 38 slides

COMP541 Arithmetic Circuits

COMP541 Arithmetic Circuits. Montek Singh (Not covered). Today ’ s Topics. Adder circuits ripple-carry adder (revisited) more advanced: carry- lookahead adder Subtraction by adding the negative Overflow. Iterative Circuit. Like a hierarchy , except functional blocks per bit. Adders.

678 views • 36 slides

COMP541 Combinational Logic - II

COMP541 Combinational Logic - II. Montek Singh Jan 19, 2010. Today. Basics of Boolean Algebra (review) Identities and Simplification Basics of Logic Implementation Minterms and maxterms Going from truth table to logic implementation. Identities. Use identities to manipulate functions

563 views • 34 slides

COMP541 Datapaths II

440 views • 31 slides

COMP541 Sequencing and Control

2. Topics. Starting on Chapter 8Control unitMultiplier as example Today: hardwired controlNext time: microprogrammed control. 3. Control Units. Two typesProgrammableNon-programmable (what you are implementing)Look at non-programmable firstA multiplier. 4. Algorithmic State Machines. Like a

616 views • 46 slides

COMP541 Sequential Circuits

COMP541 Sequential Circuits. Montek Singh Feb 2, 2010. Topics. Sequential Circuits Latches Flip Flops Verilog for sequential design A simple counter. Sequential Circuits. State of system is info stored That, and inputs, determine outputs. Types of Sequential Circuits. Synchronous

590 views • 44 slides

COMP541 State Machines

COMP541 State Machines. Montek Singh Feb 8, 2012. Today ’ s Topics. State Machines How to design machines that go through a sequence of events “ sequential machines ” Basically close the feedback loop in this picture:. Synchronous Sequential Logic.

407 views • 32 slides

COMP541 Datapaths II & Single-Cycle MIPS

COMP541 Datapaths II & Single-Cycle MIPS. Montek Singh Apr 2, 2012. Topics. Complete the datapath Add control to it Create a full single-cycle MIPS! Reading Chapter 7 Review MIPS assembly language Chapter 6 of course textbook Or, Patterson Hennessy (inside flap). Top-Level CPU (MIPS).

655 views • 45 slides

COMP541 Datapaths II & Control I

COMP541 Datapaths II & Control I. Montek Singh Mar 22, 2010. Topics. Single cycle MIPS Reading: Chapter 7 Verilog code for MIPS at the end (!) If you don’t feel comfortable with assembly language, pls review Ch. 6. First, Top Level of CPU. module top(input clk, reset,

641 views • 41 slides

COMP541 Pipelined MIPS

COMP541 Pipelined MIPS. Montek Singh Mar 30, 2010. Topics. Pipelining Can think of as A way to parallelize, or A way to make better utilization of the hardware. Goal: use all hardware every cycle Section 7.5 of text. Parallelism. Two types of parallelism: Spatial parallelism

658 views • 48 slides

Sequencing and control

n. n-1. 10111 multiplicant 10011 multiplier 00000 initial partial prod. 10111 010111 partial product after 10111 shift 1000101 1000101. multiplicant. PC. Register A. log 2 n. Zero detect. Parallel Addr. Z. Q 0. C out. Go. Control unit. multiplier.

440 views • 28 slides