'Direct memory access dma' diaporamas de présentation

Chaper 4 Central Processing Unit

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EDMA3 Keystone SoC Devices

EDMA3 Keystone SoC Devices. Agenda. What is DMA? EDMA Architecture Definition of EDMA3 Terminology Synchronization Indexing Example to Summarize Trigger Mechanisms Action Mechanisms Linking Chaining QDMA EDMA3 LLD Review. What is DMA?. What is DMA? EDMA Architecture

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ECE 15B Computer Organization Spring 2010 Dmitri Strukov

ECE 15B Computer Organization Spring 2010 Dmitri Strukov. Lecture 9 and 10 : Wrap-up of hardware. Partially adapted from Computer Organization and Design, 4 th edition, Patterson and Hennessy,. Agenda. Wrap-up of HW part (except for floating point) Instruction formats Addressing modes

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ECE 15B Computer Organization Spring 2010 Dmitri Strukov

ECE 15B Computer Organization Spring 2010 Dmitri Strukov. Lecture 9 and 10 : Wrap-up of hardware. Partially adapted from Computer Organization and Design, 4 th edition, Patterson and Hennessy,. Agenda. Wrap-up of HW part (except for floating point) Instruction formats Addressing modes

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Operating Systems

Operating Systems. Functional View of Operating System. Contents. Computer System Organization Main Memory Management Memory Protection I/O Protection CPU Protection Types of Interrupts: Traps External interrupts System calls. Computer System Organization.

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Operating Systems Lecture 02: Computer System Overview

Operating Systems Lecture 02: Computer System Overview. Anda Iamnitchi anda@cse.usf.edu. Today. Announcements No class Monday (Labor Day) Video classes on Canvas on Wednesday (09.04) and Monday (09.09) First assignment posted and due Wednesday 09.04 by 3pm Finish chapter 1: Interrupts

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COT 4600 Operating Systems Fall 2009

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Introduction

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COSC1078 Introduction to Information Technology Lecture 12 System Fundamentals

James Harland james.harland@rmit.edu.au. COSC1078 Introduction to Information Technology Lecture 12 System Fundamentals. Introduction to IT. 1-4 Introduction, Images, Audio, Video 5 Computer Fundamentals Assignment 1, WebLearn Test 1 6 Computer Fundamentals

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Input and Output

Input and Output. CS 215 Lecture #20. Motivation. I/O devices make computers useful to humans. Input devices may be arbitrarily slow and must have a way to tell the computer that they are ready to supply data.

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Overview of Operating Systems

Chapters 1 and 2. Overview of Operating Systems. Introduction. Twin aims of an operating system are: User convenience System performance Performance measures depend on the computing environment Number of requests serviced per unit time, etc. Introduction. Fundamental tasks of an OS

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Computer System Overview

Computer System Overview. Chapter 1. Operating System. Exploits the hardware resources of one or more processors Provides a set of services to system users Manages secondary memory and I/O devices Provides support for networking/communications. Basic Elements. Processor

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EEE 435 Principles of Operating Systems

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Interfacing Processors and Peripherals

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ITEC 502 ??? ??? ? ??

ITEC 502 ??? ??? ? ??. Chapter 8-1: I/O Management Mi-Jung Choi mjchoi@postech.ac.kr DPNM Lab. Dept. of CSE, POSTECH. Contents. Principles of I/O hardware Principles of I/O software I/O software layers. Principles of I/O Hardware. Some typical device, network, and bus data rates.

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Chapters 8

Chapters 8. Interfacing Processors and Peripherals. Interfacing Processors and Peripherals. Focus of processor design: Performance I/O Design affected by many factors (expandability, resilience)

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Unit - 2

Unit - 2. DMA 8237A-5. Basic DMA operation:. The direct memory access (DMA) I/O technique provides direct access to the memory while the microprocessor is temporarily disabled. A DMA controller temporarily borrows the address bus, data

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Interconnecting Components

Interconnecting Components. Need interconnections between CPU, memory, I/O controllers Bus: shared communication channel Parallel set of wires for data and synchronization of data transfer Can become a bottleneck Performance limited by physical factors Wire length, number of connections

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Interrupts

Interrupts. Microprocessor and Interfacing 261214. Example: Writing a Game. Need to Check Keyboard Input. Method 1: Using a Loop Program keeps checking for keyboard input. While (1) [ If Key = Right Then moveRight ElseIf Key = Left Then moveLeft End If ].

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Central Processing Unit

Central Processing Unit. Chapter 2. Topics. Central processing unit Internal architecture Fetch and execute cycles Microcontrollers Instruction formats Core instructions Addressing modes RISC vs CISC Memory Memory Access Memory Technologies Memory hierarchy Memory Organization

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