CHAPTER 10 Keyboard and Printer Interfacing. Matrix Keyboard.

Slides:



Advertisements
Similar presentations
IO Interfaces and Bus Standards. Interface circuits Consists of the cktry required to connect an i/o device to a computer. On one side we have data bus.
Advertisements

I/O Interfaces.
©annax1 PC-technology Keyboard Graphics Interface cards.
82C55 82C55 Programmable Peripheral Interface Interfacing Part III.
Serial I/O - Programmable Communication Interface
1 Pertemuan 4 Starting a Router. Discussion Topics Initial startup of Cisco routers Router LED indicators The initial router bootup Establish a console.
CHAPTER Serial and Parallel Communication. Chapter Objectives Explain serial communication –Standards, ports, resources etc. Show a few examples of serial.
Introduction Computer Hardware Jess 2006 EXPANSION CARDS BUS ARCHITECTURE AND CONNECTORS.
EE 316 Computer Engineering Junior Lab Word Mastermind.
EE 316 Computer Engineering Junior Lab PS/2 Keyboard.
EET Advanced Digital Parallel Ports. n In contrast to serial ports, parallel ports ‘present’ all bits at one time. n ‘The parallel port reflects.
Chapter 10 Supporting I/O Devices. You Will Learn…  How to install peripheral I/O devices  How to use ports and expansion slots for add- on devices.
Introduction to Computer Engineering by Richard E. Haskell Interrupts Module M17.3 Sections 11.3, 14.1.
EE 316 Computer Engineering Junior Lab Digital Hangman.
EE 316 Computer Engineering Junior Lab Lecture on PC Parallel port.
Interacting with Your Computer
Practical Session No. 10 Input &Output (I/O). I/O Devices Input/output (I/O) devices provide the means to interact with the “outside world”. An I/O device.
Interface circuits I/O interface consists of the circuitry required to connect an I/O device to a computer bus. Side of the interface which connects to.
RS232 Serial and Parallel Interfaces
CHAPTER Serial and Parallel Communication © N. Ganesan.
Parallel Ports of PC Methods of interfacing Examples.
University of Tehran 1 Interface Design Keyboard and Printer Omid Fatemi.
PC Maintenance: Preparing for A+ Certification Chapter 7: Cables.
I/O Ports and Devices Chapter 9 Release 22/10/2010 powered by dj.
Identification And Function
 Keyboards, LCDs most widely used input/output devices of the 8051  Contents to be covered:  keyboard fundamentals  key press and key detection mechanisms.
Ports, connectors, and cables
CSC 370 (Blum)1 Hardware Overview Continued. CSC 370 (Blum)2 Serial Port The serial port is used along with a local communication standard that transmits.
1 Chapter Overview Understanding Expansion Buses Configuring Expansion Cards Cables and Connectors.
Serial Port I/O Serial port sends and receives data one bit at a time. Serial communication devices are divided into: Data Communications Equipment (DCE),
COE4OI5 Engineering Design Chapter 2: UP2/UP3 board.
1 System Resources. 2 Interrupt Request (IRQ) Channels Interrupt Request (IRQ) Channels Direct Memory Access (DMA) Channels Direct Memory Access (DMA)
Network Communications: Chapter 3 Introduction to Computer Architecture.
COSC 456 Lesson 19: Laboratory 5 IBM PC Interfacing The parallel port is a 25-pin DB-25 (D-shaped) connector accessible from the back of the PC The expansion.
ECE482 Final Project Spring 03. Specification Design a digital thermometer to report the temperature in the room in degrees Fahrenheit. The PC should.
FIGURE 9-1 General Parallel I/O Example Peter Spasov Microcontroller Technology: The 68HC11, Fourth Edition Copyright ©2002 by Pearson Education, Inc.
EE 316 Computer Engineering Junior Lab Project 1: Traffic Light Controller.
University of Tehran 1 Microprocessor System Design IO Applications Omid Fatemi
ECE291 Computer Engineering II Lecture 12 Josh Potts University of Illinois at Urbana- Champaign.
PC Maintenance & Networking Material Developed Under DST – NIMAT Project (TEDP) By VidyaDeep Foundation, Satara.
CHAPTER 6 INTERRUPTS AND THE 8259 CHIP. What happens on interrupt? Micro automatically saves (on stack) the FR (flag register), IP (instruction pointer),
Buses All devices in the computer are connected to the External Data Bus Extension to External Data Bus called Expansion Bus –Used for devices that might.
Team 4 Project 1 Presentation Mapping Parallel Ports to LPT’s & USB Host Controller Interfaces Tom, Jen, Curtis, Ashley, Scott.
CHAPTER Microcomputer as a Communication Device. Chapter Objectives Examine the components of the motherboard that relate to communication Describe a.
PPI-8255.
NetTech Solutions Resolving Issues with Locally Attached Devices Lesson Twelve.
KEYBOARD INTERFACING Keyboards are organized in a matrix of rows and columns The CPU accesses both rows and columns through ports. ƒTherefore, with two.
Logic and Computer Design Fundamentals, Fifth Edition Mano | Kime | Martin Copyright ©2016, 2008, 2004 by Pearson Education, Inc. All rights reserved.
Ports and Connectors By Karina Hackett Overview: Ports are also known as sockets, and are located at the back of a system unit. Connectors are the parts.
Made By : Gagandeep Singh CompTIA A+ Certified. PORTS ON MOTHERBOARD  PS/2 PORT  SERIAL PORT  PARALLEL PORT  VGA PORT  DVI PORT  USB PORT  MINI.
Chapter 4 Making Connections. Modem Modulates digital data onto analog signal and then demodulate analog signal back to digital data Features:  Standard.
Chapter 7 Input/Output and Storage Systems. 2 Chapter 7 Objectives Understand how I/O systems work, including I/O methods and architectures. Become familiar.
INTERFACING KEYBOARD WITH ATMEGA32 ELECTRONICS & COMMUNICATION TITLE.
COMPUTER FUNDAMENTALS David Samuel bhatti
Input / Output.
Flowchart of basic interrupt mechanism
Computer Ports and Cables
Operating Systems (CS 340 D)
ATMEGA 32 CONNECTIONS TO RS232; UDR AND UCSR REGISTERS
C_ITCO011/C_ITCO111 LECTURER: E.DONDO
Physics 413 Chapter 10.
Figure Pin Positions for Various LCDs from Optrex
Chapter Overview Understanding Expansion Buses
Identification And Function
The centronics port Interfacing to a PC.
82C55 Programmable Peripheral Interface
LCD and Keyboard Interfacing
LCD and Keyboard Interfacing
Chapter 3 Peter Norton’s  Introduction to Computers Interacting with Your Computer.
PARALLEL PORT INTERFACING PART#1
Presentation transcript:

CHAPTER 10 Keyboard and Printer Interfacing

Matrix Keyboard

Flowchart

Keyboard Serial Transmission Format

Make and Break

PC Scan Codes for PC/XT

Combination Key Scan Codes for PC/XT

Extended Keyboard Scan Codes

Keyboard Status Bytes

Keyboard Cable Jack for PC

INT 09

INT 09 Summary

Keyboard Buffer

INT 09H Routine

INT 16H (part 1)

INT 16H (part 2)

PRINTER INTERFACE

DB25 (Male) Printer Connector

Centronics Printer Interface Specs

Timing Diagram for Printer

LPT Base Addresses

PC Printer Ports and Functions

Data, Status, and Control Ports

BIOS INT 17H

BIOS INT 17H (continued)

Inner workings of INT 17H

SPP

EPP

ECP

Buffering Data and Control Ports

Connecting to a LCD Module

Connecting a Stepper Motor to a Parallel Port

Buffering LPTs Data Port

LPT I/O Address

Printer Control Characters

Review (1)

Review (2)

Review (3)

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2025 SlidePlayer.com. Inc. All rights reserved.