Subject : Computer Hardware and Maintenance (17428) Interfaces. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 1 of 21
|
|
- Beatrice Miles
- 6 years ago
- Views:
Transcription
1 6 Interfaces Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 1 of 21
2 1) SCSI SCSI(Small Computer System interface) is a set of standards for physically connecting and transferring data between computers and peripheral devices. SCSI is most commonly used for hard disks and tape drives, but it can connect a wide range of other devices, including scanners and optical drives(cd, DVD etc.) Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 2 of 21
3 SCSI is basically a bus into which different peripherals are connected in daisy chain SCSI Connector SCSI is not device level interface it is system level interface System level interfacing is not based on any specific device instead it uses signals that are converted from device level signals to the signals used by the host computer system. Hence it can require HDD, printer, scanner etc. Upto 8 subsystems can exist on a SCSI bus It is used in special servers and RISC systems Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 3 of 21
4 SCSI Controller There are 3 different SCSI standards SCSI-1, SCSI-2, SCSI-3 SCSI-1: 1. The original specification developed in 1986, SCSI-1 is now obsolete. 2. It featured a bus width of 8 bits and clock speed of 5 MHz bit parallel bus pin cable SCSI-2: 1. Adopted in 1994, this specification included the Common Command Set (CCS) commands considered an absolute necessity for support of any SCSI device. 2. It also had the option to double the clock speed to 10 MHz (Fast), double the bus width from to 16 bits and increase the number of devices to 15 (Wide), or do both (Fast/Wide). 3. SCSI-2 also added command queuing, allowing devices to store and prioritize commands from the host computer. 4. High density 50 pin cable connectors. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 4 of 21
5 SCSI-3: 1. This specification debuted in 1995 and included a series of smaller standards within its overall scope. 2. A set of standards involving the SCSI Parallel Interface (SPI), which is the way that SCSI devices communicate with each other, has continued to evolve within SCSI Most SCSI-3 specifications begin with the term Ultra, such as Ultra for SPI variations, Ultra2 for SPI-2 variations and Ultra3 for SPI-3 variations. 4. The Fast and Wide designations work just like their SCSI-2 counterparts. SCSI-3 is the standard currently in use. Name Asynchronous SCSI Synchronous SCSI Specification # of Devices Wide SCSI-2 16 Bus Width Bus Speed MBps SCSI bits 5 MHz 4 MBps SCSI bits 5 MHz 5 MBps 16 bits Fast SCSI bits Fast/Wide SCSI-2 16 Ultra Ultra/Wide Ultra2 Ultra2/Wide Ultra3 Ultra320 SCSI-3 SPI SCSI-3 SPI SCSI-3 SPI-2 SCSI-3 SPI-2 SCSI-3 SPI-3 SCSI-3 SPI-4 16 bits 8 8 bits 8 16 bits 8 8 bits bits 16 bits 16 bits 5 MHz 10 MBps 10 MHz 10 MHz 20 MHz 20 MHz 40 MHz 40 MHz 40 MHz 80 MHz 10 MBps 20 MBps 20 MBps 40 MBps 40 MBps 80 MBps 160 MBps 320 MBps Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 5 of 21
6 SCSI Cables i. It includes the wire, connectors and possibly a terminator as well. ii. SCSI cable come into distinct varieties : external and internal a. External b. Internal External Cables: i) External cables are used to connect SCSI devices that do not reside inside the PC, but rather have their own enclosures an power supplies. ii) These are generally expensive. External SCSI devices connect using thick, round cables Internal Cables Internal cables connect SCSI devices installed within the PC system box. Internal SCSI devices connect to a ribbon cable Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 6 of 21
7 External Connector types: a. D-Shell(D-Sub, DD) i. The earliest SCSI standard SCSI-1 defined a 50-pin D-shell connector for narrow SCSI implementations ii. The name of this connector comes from the D-shaped metal shell that goes around the pins on the male half of the connector iii. This is obsolete because it was large and cumbersome. DD-50 SCSI Connector b. Centronics (Alternative 2) The other external connector type defines by the SCSI-1 standard is 50-pin connector that is commonly called a Centronics connector, after a formerly popular printer that used this type of connector. Two latches on either side are used to hold the connector in place. These 50-pin connectors are still present in the current SCSI specification and are called Alternative 2 external connectors. 50-pin Centronics SCSI connector Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 7 of 21
8 c. High Density (HD) [ SCSI-2 50 pin version (Alternative 1) 68-pin (Alternative 3)] These are high-density shielded connectors in SCSI-2 These are really not all that different from the older D-shell connectors but the space between pins was reduced making the connectors smaller cheaper to make and easier to use 68-pin Alternative 3 SCSI connector d) Very High Density Cable Interconnect (VHDCI) [Alternative 4] This connector is wide only (68 pins) and is sometimes called a micro-centronics connectors, because it uses the same design as the Centronics connectors only with the contacts much smaller and closer together. These are Alternative 4 for external connectors and is growing in popularity because of its small size. A male 68-pin VHDCI connector. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 8 of 21
9 SCSI Drive Configuration The following items need to be set up for configuring a SCSI Drive. They are, 1. Set SCSI Device ID 2. Activate the termination jumper to the device which is present at the end of the chain. 3. Disable auto start 4. Delay auto start 5. Stagger spin: it is an enhanced version of Delay Auto Start. It should be configured if many hard disk are attached to the system 6. Narrow/Wide mode 7. Force SE : Allow newer Ultra 2,Wide Ultra 2,Ultra 160, Ultra 160+ or other LVD(low voltage differential) SCSI drives to be forced to use single-ended (SE) operation. SCSI Bus Signaling: Three types of Signaling SE or Single Ended: Card sends a single pulse, each device taking part of the signal. Degrades rapidly. (10 ft) HVD or High Voltage Differential; Two data lines, each device retransmits signal down line. (up to about 80 feet) LVD or Low Voltage Differential; Same principle as HVD but smaller re-transmitters, lower voltage. More cost effective, but shorter length of chain (40 feet) 8. Disable parity. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 9 of 21
10 USB Just about any computer that you buy today comes with one or more A sample list of USB devices that you can buy today includes: Printers Scanners Mice Joysticks Flight yokes Digital cameras Webcams Scientific data acquisition devices Modems Speakers Telephones Video phones Storage devices such as Zip drives Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 10 of 21
11 Network connections Data Rates Low Speed: 1.5 Mbps (Keyboards, mice, etc.) Full Speed: 12 Mbps (USB1.1 max speed) Hi-Speed: 480 Mbps (USB2.0 max speed) Super Speed : 4.8 Gbits/s (600 MB/s) (USB 3.0 max rate) A typical USB connector, called an "A" connection Many USB devices come with their own built-in cable, and the cable has an "A" connection on it. If not, then the device has a socket on it that accepts a USB "B" connector. A typical "B" connection The USB standard uses "A" and "B" connectors to avoid confusion: "A" connectors head "upstream" toward the computer. "B" connectors head "downstream" and connect to individual devices. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 11 of 21
12 USB Features The Universal Serial Bus has the following features: The computer acts as the host. Up to 127 devices can connect to the host, either directly or by way of USB hubs. Individual USB cables can run as long as 5 meters; with hubs, devices can be up to 30 meters (six cables' worth) away from the host. With USB 2, the bus has a maximum data rate of 480 megabits per second. A USB cable has two wires for power (+5 volts and ground) and a twisted pair of wires to carry the data. On the power wires, the computer can supply up to 500 milliamps of power at 5 volts. Low-power devices (such as mice) can draw their power directly from the bus. High-power devices (such as printers) have their own power supplies and draw minimal power from the bus. Hubs can have their own power supplies to provide power to devices connected to the hub. USB devices are hot-swappable, meaning you can plug them into the bus and unplug them any time. Many USB devices can be put to sleep by the host computer when the computer enters a power-saving mode. The devices connected to a USB port rely on the USB cable to carry power and data. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 12 of 21
13 RS232 (RS- Recommended Standard) Is a standard interface developed by Electronics Industries Association Uses asynchronous serial Communication It is a standard for serial binary data signals connecting between a DTE (Data Terminal Equipment eg: Computer) and a DCE (Data Communication Equipment eg: modem). It is commonly used in computer serial ports. RS 232 Voltage Level: Follows Negative Logic Logic 1 represents a negative voltage Logic 0 represents a positive voltage Logic 1 (-3V to -15V) Logic 0 (+3 V to +15V) RS 232 Signals Sr No Pin No Signal Signal Name Source Destination Frame Ground TXD Transmit Data DTE DCE 3 3 RXD Receive Data DCE DTE 4 4 RTS Request to DTE DCE Send 5 5 CTS Clear to Send DCE DTE 6 6 DSR Data Set Ready DCE DTE 7 7 SG Signal Ground RLSD Received Line DCE DTE or CD Signal Detect 9 20 DTR Data Terminal DTE DCE Ready RI Ring Indicator DCE DTE Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 13 of 21
14 CD (Carrier Detect or Data Carrier Detect) : It is used by computer to know that the modem connected to the serial port has made proper connection with modem on the other side. RxD(Receive Data) : It is used by the device connected to the serial port to send data to the computer Or data send from DCE to DTE TxD(Transmit Data): It is used by the computer to send data to a device connected to the serial port Or Data sent from DTE to DCE DTR(Data Terminal Ready): It is send from computer to the device connected to the serial port to inform that computer is ready for communication GND(Signal Ground) This is one of the most important signal. This wire provides the necessary return path for both the data signals and the hand shaking signals. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 14 of 21
15 DSR(Data Set Ready): It is send from the device connected to the serial port to the computer to inform that the device is ready for communication RTS(Request To Send):One clear to send signal is received the computer send Request To Send(RTS) signal to the device connected to the serial port to inform that computer is also ready to start the data transmission CTS(Clear To send): Clear to send or CTS signal is used by the device connected to the serial port to inform to the computer can start the data transmission. RI(Ring Indicator): RI Signal is used by the device connected to the serial port to inform to the computer that it has detected a ringing voltage on the telephone line. This signal is used by a modem connected to the serial port to inform to the computer that someone is calling the modem. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 15 of 21
16 Centronics interface The Centronics parallel interface is an older and still widely-used standard I/O interface for connecting printer s and certain other devices to computers. Data Lines STROBE (take Data) ACK Give Data) Print Controller (Computer Side) Busy PE (No Paper) ERROR (Fault) SLCT IN (Enable interface) SLCT (Selected) Printer Side AUTO FEED XT(Hardware line feed INIT (RESET) Ground Signals in Centronics interface Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 16 of 21
17 Signals from PC to Printer There are 12 signals from the PC to the printer. Out of these 8 signals are data bits and 4 signals are control signals. These are 1) STROBE The printer should take data when this signal is low. 2) INIT When it is low the printer resets its electronics logic and clear the printer buffer 3) SLCTIN It is an interface enable signal when this signal is low the printer responds to signals from the controller 4) AUTO FEED XT After printing every line the printer will provide one line feed automatically if this signal is low. This type of line feed known as hardware line feed. Signals from printer to PC There are 5 status signals from the printer to the PC. These are ACK BUSY PE SLCT ERROR This Signal is an acknowledgement for STROBE Signal from PC. When active, it indicates that printer has received data sent by the PC and the printer is ready to accept next data byte When BUSY Signal is high it indicates that the printer is busy and it cannot receive data. This signal becomes high under any of the four signals 1) On Receiving STROBE active 2) During printing operation 3) When the printer is in offline start 4) When the printer senses some error condition When PE Signal is high it indicates that there is no paper in the printer SLCT Signal indicates that the printer is selected and logically connected to PC ERROR signal indicates that there is some error condition in the printer. This signal becomes active under any of the following three reasons: 1) Mechanical fault or electronic fault in the printer 2) The printer is in offline state 3) There is no paper in the printer Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 17 of 21
18 Firewire (IEEE 1394) Firewire, also known as IEEE 1394 and i.link, is a high speed serial bus developed by Texas Instruments and Apple computers in the mid 1990s. Firewire is compatible with more than 63 electronic and digital devices, which makes it a great choice for many people. Technically speaking, Firewire is a PC serial bus interface standard that offers isochronous data services (guarantees timely delivery of data between the nodes) and high-speed communications between digital devices. Basically, Firewire facilitates faster data transfer rates and usability across multiple devices. Firewire is similar to Universal Serial Bus (USB), but it has a higher data transfer capacity - up to 800 Mbps, compared to the USB's 480 Mbps. This makes it ideal for peripherals that require high-speed data transfer, such as digital camcorders, DVD players and digital audio equipment. Firewire 400, the first model to be introduced, had data transfer speeds of 100, 200, and 400 Mbps. Firewire 800 was introduced in 2003 and has a transfer rate of 800 Mbps, it also comes with a six pin connector that makes it compatible with the earlier Firewire 400. Thanks to the low start up costs and more adaptable cabling system, Firewire has successfully replaced SCSI in many applications. Firewire is widely used in situations where there is simply a need for data transfer at the highest speeds possible. Most personal computers come in with a built in Firewire port, as do many MP3 players. Firewire gets a lot of positive recognition because it provides high speed, better power distribution, and does not require a computer host for its functioning. Firewire also gets a lot of attention because it outdoes SCSI capabilities in the way of higher sustained data transfer rates, which audio and video editors require. Most would also agree that the Firewire is advantageous because it can be daisy chained to extend it to many times a single cable length. Compared to SCSI or USB, it can be seen that Firewire easily outperforms the other technologies because it is more robust, efficient, and has some great features. Some of the great things are that Firewire can be used to connect 63 peripherals in a cyclic network structure where SCSI follows a linear structure. Firewire also facilitates peer-to-peer device communications without Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 18 of 21
19 using PC memory. Firewire also permits multiple hosts per bus, without the aid of an additional chip set like a USB cable. Firewire also supports plug and play and acts as a useful power cord for moderately power consuming devices. Used with Digital Camera, DV Camcorders, HDTV, High-Speed Drives, DVD players and digital audio equipment Bluetooth Bluetooth is a wireless LAN technology designed to connect devices of different functions such as telephones, notebooks, computers (desktop and laptop), cameras, printers, coffeemakers. A Bluetooth LAN is an adhoc network, which means that the Network is formed spontaneously; the devices, sometimes called gadgets, find each other and make a network called a piconet. Bluetooth technology has several applications. Peripheral devices such as a wireless mouse or keyboard can communicate with the computer through this technology. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 19 of 21
20 Monitoring devices can communicate with sensor devices in a small health care center. Home security devices can use this technology to connect different sensors to the main Security controller. Conference attendees can synchronize their laptop computers at a conference. Bluetooth was originally started as a project by the Ericsson Company. It is named for Harald Blaatand, the king of Denmark ( ) who united Denmark and Norway. Blaatand translates to Bluetooth in English. Today, Bluetooth technology is the implementation of a protocol defined by the IEEE standard. The standard defines a wireless personal-area network (PAN). Operable in an area the size of a room or a hall Bluetooth defines two types of networks: piconet and scatternet. Piconets A Bluetooth network is called a piconet, or a small net. A piconet can have upto eight stations, one of which is called the primary; the rest are called secondaries. All the secondary Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 20 of 21
21 stations synchronize their clocks and hopping sequence with the primary. Note that a piconet can have only one primary station. The communication between the Primary and the secondary can be one-to-one or one-to-many. Scatternet Piconets can be combined to form what is called a scatternet. A secondary station in one piconet can be the primary in another piconet. This station can receive messages from the primary in the first piconet(as a secondary) and, acting as a primary, deliver them to secondaries in the second piconet. A station can be a member of two piconets. The literature sometimes uses the terms master and slave instead of primary and secondary. Compiled By : Ms. M.S.Karande (I/c HOD-IF) Page 21 of 21
Bluetooth was originally started as a project by the Ericsson Company.
6 Interfaces BlueTooth Bluetooth is a wireless LAN technology designed to connect devices of different functions such as telephones, notebooks, computers (desktop and laptop), cameras, printers, coffeemakers.
More informationPDF created with pdffactory Pro trial version How USB Ports Work by Marshall Brain. Introduction to How USB Ports Work
Main > Computer > Hardware How USB Ports Work by Marshall Brain Introduction to How USB Ports Work Just about any computer that you buy today comes with one or more Universal Serial Bus connectors on the
More informationModule 5. Input/Output Ports
Module 5 Input/Output Ports Objectives 1. PC Hardware A.1.7 Compare and contrast various connection interfaces and explain their purpose 2 INPUT/OUTPUT PORTS 3 Device Connection I/O ports (Input/Output)
More informationSender Receiver Sender
EEE 410 Microprocessors I Spring 04/05 Lecture Notes # 19 Outline of the Lecture Interfacing the Serial Port Basics of Serial Communication Asynchronous Data Communication and Data Framing RS232 and other
More information8. I/O Buses and Interfaces
8. I/O Buses and Interfaces Section 7.5 & Chapter & 8 Some Review Remember CPU-memory-I/O architecture CPU-Memory-I/O Architecture Memory CPU I/O module I/O device CPU bus or System bus Bus interface I/O
More informationCourse 10: Interfaces Agenda
Course 10: Interfaces 1 Agenda Introduction V.24 interface (RS232) USB 2 Introduction 3 Definition(s) (from the web) A boundary across which two independent systems meet and act on or communicate with
More informationBus Example: Pentium II
Peripheral Component Interconnect (PCI) Conventional PCI, often shortened to PCI, is a local computer bus for attaching hardware devices in a computer. PCI stands for Peripheral Component Interconnect
More informationChapter Four. Making Connections. Data Communications and Computer Networks: A Business User s Approach Seventh Edition
Chapter Four Making Connections Data Communications and Computer Networks: A Business User s Approach Seventh Edition After reading this chapter, you should be able to: List the four components of all
More informationSerial Interfaces Part 1. ECE 153B Sensor & Peripheral Interface Design Winter 2016
Serial Interfaces Part 1 ECE 153B Sensor & Peripheral Interface Design Serial Interfaces Simple Serial Interfaces RS-232C (UART) Provides for point to point communications, primarily Among the simplest
More informationDisplayport, as shown, has 20 pins and can be used for audio, video, or both audio and video transmission.
EXTERNAL PORTS AND CABLES A video port connects a monitor to a computer using a cable. Video ports and monitor cables transfer analog signals, digital signals, or both. Computers are digital devices that
More informationRemovable Storage and Computer Interfaces
Removable Storage and Computer Interfaces JICA Computer Science Course in 2009 H. Miyata Contents Preface Computer Interfaces IDE(ATAPI) SCSI USB etc. Storage Devices and Media CD, DVD MO Flash memory
More informationData Communications & Computer Networks. Digital Data Communications Techniques
Data Communications & Computer Networks Chapter 6 Digital Data Communications Techniques Fall 2008 Agenda Preface Asynchronous & Synchronous transmission Error Detection & Correction Line configurations
More information4.3 Digital Communication
Data Acquisition & Computer Control 11 4.3 Digital Communication Why digital communication (often termed digital input/output, or DIO)? Because the language of computers (and many peripheral devices) is
More informationIntroduction to Wireless Networking ECE 401WN Spring 2009
I. Overview of Bluetooth Introduction to Wireless Networking ECE 401WN Spring 2009 Lecture 6: Bluetooth and IEEE 802.15 Chapter 15 Bluetooth and IEEE 802.15 What is Bluetooth? An always-on, short-range
More informationChapter 11: Input/Output Organisation. Lesson 05: Asynchronous RS232C Serial Port data transfer
Chapter 11: Input/Output Organisation Lesson 05: Asynchronous RS232C Serial Port data transfer Objective Understand the RS232C asynchronous data transfer and signals Learn the RS232C serial port communication
More informationComputer Overview. A computer item you can physically see or touch. A computer program that tells computer hardware how to operate.
Hardware Computer Overview A computer item you can physically see or touch. Software A computer program that tells computer hardware how to operate. Information Technology (IT) The broad subject related
More informationSelect a Data Communication Interface
Printer Setup and Operation Select a Data Communication Interface Select a Data Communication Interface You may connect your print engine to a computer using one or more of the available connections. The
More informationSection 1 Introduction
Section 1 Introduction The Model 4824 Serial/Parallel Module provides one RS232 serial port and one parallel printer port. Eight 4824s could be used per system. You can use the 4824 for a variety of purposes,
More informationAmarjeet Singh. January 30, 2012
Amarjeet Singh January 30, 2012 Website updated - https://sites.google.com/a/iiitd.ac.in/emsys2012/ Lecture slides, audio from last class Assignment-2 How many of you have already finished it? Final deadline
More informationSCSI Unscrewed. Click on the image to enlarge
SCSI Unscrewed The Small Computer System Interface is an architecture developed to control a wide array of devices from hard disks and CD-ROMs to printers and scanners. The complete story of SCSI is so
More informationReal-Time Embedded Systems. CpE-450 Spring 06
Real-Time Embedded Systems CpE-450 Spring 06 Class 5 Bruce McNair bmcnair@stevens.edu 5-1/42 Interfacing to Embedded Systems Distance 100 m 10 m 1 m 100 cm 10 cm "Transmission line" capacitance ( C) Distance
More informationGrowing Together Globally Serial Communication Design In Embedded System
Growing Together Globally Serial Communication Design In Embedded System Contents Serial communication introduction......... 01 The advantages of serial design......... 02 RS232 interface......... 04 RS422
More informationOC-DK212. USB 2.0 Wireless-G LAN Dock. Specification
OC-DK212 USB 2.0 Wireless-G LAN Dock Specification Rev. 1.0 08/10/2004 Product Information: Compliant with USB Version USB 1.0 / USB 1.1 / USB 2.0 Standards Conformance IEEE802.11 / 802.11b / 802.11g,
More informationBits and Bytes. Here is a sort of glossary of computer buzzwords you will encounter in computer use:
Bits and Bytes Here is a sort of glossary of computer buzzwords you will encounter in computer use: Bit Computer processors can only tell if a wire is on or off. Luckily, they can look at lots of wires
More informationChapter 11: Input/Output Organisation. Lesson 17: Standard I/O buses USB (Universal Serial Bus) and IEEE1394 FireWire Buses
Chapter 11: Input/Output Organisation Lesson 17: Standard I/O buses USB (Universal Serial Bus) and IEEE1394 FireWire Buses Objective Familiarize with a standard I/O interface synchronous serial buses USB
More informationComponents of a personal computer
Components of a personal computer Computer systems ranging from a controller in a microwave oven to a large supercomputer contain components providing five functions. A typical personal computer has hard,
More informationCHAPTER 8. The SCSI Interface
09 0789725428 CH08 8/1/01 2:34 PM Page 513 CHAPTER 8 The SCSI Interface 514 Chapter 8 The SCSI Interface Small Computer System Interface SCSI (pronounced scuzzy ) stands for Small Computer System Interface
More informationLesson 4: The Network Interface Card
Lesson 4: The Network Interface Card Network interface cards (NICs) provide the interface between cables, discussed in the previous lesson, and computers. This lesson explores the many different types
More informationTC-UR24. USB to Serial port Adapter
TC-UR24 USB to Serial port Adapter Your Best Solution for PC-to-PLC Communication Overview The TC-UR24 USB-to-Serial port adapter is a low-cost high-performance single chip solution that provides bi-directional
More informationTable 8 shows the pin configuration and function of a standard computer-to-printer parallel cable. Table 8 Parallel Cable Pin Configuration
Advanced Printer Inion Parallel Data Port Parallel Data Port The parallel data interface supports IEEE 1 bidirectional parallel communications in nibble mode. The parallel interface provides a means of
More informationIntegrity Instruments Application Notes. Release 1
Integrity Instruments Application Notes Release 1 What is EIA/TIA/RS-485 What is EIA/TIA/RS-422 Half Duplex and Full Duplex Communication Asynchronous Communicatin Grounding EIA/TIA/RS-485/422 Shielding
More informationALL SAINTS COLLEGE OF TECHNOLOGY, BHOPAL
BLUETOOTH Amita Tiwari IIIrd Semester amitaasct@gmail.com Sunil Kumar IIIrd Semester sunilasct@gmail.com ALL SAINTS COLLEGE OF TECHNOLOGY, BHOPAL ABSTRACT Blue tooth is a standard developed by a group
More information8051SERIAL PORT PROGRAMMING
8051SERIAL PORT PROGRAMMING Basics of Serial Communication Computers transfer data in two ways: Parallel Often 8 or more lines (wire conductors) are used to transfer data to a device that is only a few
More informationIntroduction & Specifications of Hi-Speed USB to Serial Adapters
Introduction & Specifications of Hi-Speed USB to Serial Adapters The USB Serial Adapters consist of the following models: USB Single Serial Adapter (ES-U-1001, ES-U-1001-A) USB Single Serial Adapter (ES-U-1001-M,
More information1. INTRODUCTION 2. OVERVIEW
1. INTRODUCTION As computers grow and evolve, so do the tools for inputting information into computers. Ports are holes in computers where one can connect various external devices such as mice, keyboards,
More informationA+ Guide to Hardware: Managing, Maintaining, and Troubleshooting, 5e. Chapter 6 Supporting Hard Drives
A+ Guide to Hardware: Managing, Maintaining, and Troubleshooting, 5e Chapter 6 Supporting Hard Drives Objectives Learn about the technologies used inside a hard drive and how data is organized on the drive
More informationConnectivity. Module 2.2. Copyright 2006 EMC Corporation. Do not Copy - All Rights Reserved. Connectivity - 1
Connectivity Module 2.2 2006 EMC Corporation. All rights reserved. Connectivity - 1 Connectivity Upon completion of this module, you will be able to: Describe the physical components of a networked storage
More informationHow Computer Mice Work
How Computer Mice Work Inside this Article 1. Introduction to How Computer Mice Work 2. Evolution of the Computer Mouse 3. Inside a Mouse 4. Connecting Computer Mice 5. Optical Mice 6. Optical Mouse Accuracy
More informationI/O, Input Ports and Devices
I/O, Input Ports and Devices Daren Russ All Rights Reserved No part of this material or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of the author,
More informationEDEXCEL NATIONAL CERTIFICATE/DIPLOMA SELECTION AND APPLICATIONS OF PROGRAMMABLE LOGIC CONTROLLERS UNIT 25 - NQF LEVEL 3
EDEXCEL NATIONAL CERTIFICATE/DIPLOMA SELECTION AND APPLICATIONS OF PROGRAMMABLE LOGIC CONTROLLERS UNIT 25 - NQF LEVEL 3 OUTCOME 4 - COMMUNICATION MEDIUM CONTENT Understand data communications media and
More informationSerial Communications
Serial Communications p. 1/2 Serial Communications Prof. Stephen A. Edwards sedwards@cs.columbia.edu Columbia University Spring 2007 Early Serial Communication Serial Communications p. 2/2 Data Terminal
More informationLecture 23 Overview. Last Lecture. This Lecture. Next Lecture ADSL, ATM. Wireless Technologies (1) Source: chapters 6.2, 15
Lecture 23 Overview Last Lecture ADSL, ATM This Lecture Wireless Technologies (1) Wireless LAN, CSMA/CA, Bluetooth Source: chapters 6.2, 15 Next Lecture Wireless Technologies (2) Source: chapter 16, 19.3
More informationSerial Communication. Spring, 2018 Prof. Jungkeun Park
Serial Communication Spring, 2018 Prof. Jungkeun Park Serial Communication Serial communication Transfer of data over a single wire for each direction (send / receive) Process of sending data one bit at
More informatione-pg Pathshala Subject : Computer Science Paper: Embedded System Module: Serial Port Communication Module No: CS/ES/11 Quadrant 1 e-text
e-pg Pathshala Subject : Computer Science Paper: Embedded System Module: Serial Port Communication Module No: CS/ES/11 Quadrant 1 e-text In this lecture, serial port communication will be discussed in
More informationEECS 373 Design of Microprocessor-Based Systems
EECS 373 Design of Microprocessor-Based Systems Mark Brehob University of Michigan Timers Material taken from Dreslinski, Dutta, Le, Ramadas, Smith, Tikhonov & Mahal 1 Agenda A bit on timers Project overview
More informationDesktop Desirable Features: (please read notes below)
Desktop Desirable Features: (please read notes below) Base Features Processor Type Intel Core 2 Quad Processor Q6600 1 Processor Speed 2.40GHz 2 RAM 6GB PC2-6400 DDR2 SDRAM 3 Hard Drive Speed/Capacity
More informationComputers Are Your Future
Computers Are Your Future 2008 Prentice-Hall, Inc. Computers Are Your Future Chapter 6 Inside the System Unit 2008 Prentice-Hall, Inc. Slide 2 What You Will Learn... Understand how computers represent
More informationBy Dr. Samaher Hussein Ali
Department of Information Networks The University of Babylon LECTURE NOTES ON Evolving Technology of Laptops By Dr. Samaher Hussein Ali College of Information Technology, University of Babylon, Iraq Samaher@itnet.uobabylon.edu.iq
More informationKeep the work area free of clutter and clean. Food and drinks are not allowed in the work area.
29 Chapter 3 Computer Assembly Introduction This chapter addresses the process of the computer assembly process. The ability to successfully assemble a computer is a milestone for the PC Ttechnician. It
More informationIntroduction the Serial Communications Parallel Communications Parallel Communications with Handshaking Serial Communications
Introduction the Serial Communications Parallel Communications Parallel Communications with Handshaking Serial Communications o Asynchronous Serial (SCI, RS-232) o Synchronous Serial (SPI, IIC) The MC9S12
More informationAdvances in Storage Connectivity ATTO Ultra320 SCSI The Next Generation A Technical Brief
Advances in Storage Connectivity ATTO Ultra320 SCSI The Next Generation A Technical Brief Introduction: Ultra320 SCSI represents the 7 th generation of SCSI technology, an I/O interface that is committed
More informationULTRA2 SCSI WHITE PAPER
1.0 The Advantages of Parallel SCSI 2.0 The Evolution of Parallel SCSI 3.0 Differential Signaling 4.0 Low-Voltage Differential (LVD) SCSI 5.0 Multi-Mode Devices 6.0 LVD Physical Configuation 7.0 Conclusion
More informationBACK TO BASICS PART I. Hardware & it s Associated Terminology
BACK TO BASICS PART I Hardware & it s Associated Terminology INTRODUCTION The purpose of this session is to review computer hardware & its associated terminology WHY? Everyone on the same page Better understanding
More informationEECS 373 Design of Microprocessor-Based Systems
EECS 7 Design of Microprocessor-Based Systems Matt Smith University of Michigan Serial buses, digital design Material taken from Brehob, Dutta, Le, Ramadas, Tikhonov & Mahal 1 Timer Program //Setup Timer
More informationBuses, Video, and Upgrades
Unit 9 Buses, Video, and Upgrades Copyright 2005 Heathkit Company, Inc. All rights reserved. CPU Parallel Port Memory Keyboard Controller Video Adapter The Data Bus System Controller 2 CPU Memory Keyboard
More informationComputer Architecture CS 355 Busses & I/O System
Computer Architecture CS 355 Busses & I/O System Text: Computer Organization & Design, Patterson & Hennessy Chapter 6.5-6.6 Objectives: During this class the student shall learn to: Describe the two basic
More informationUSER MANUAL. Kramer Electronics, Ltd. Models:
Kramer Electronics, Ltd. USER MANUAL Models: VS-4FW, FireWire Repeater / HUB (4 Ports) VS-6FW, FireWire Repeater / HUB (6 Ports) VS-8FW, FireWire Repeater / HUB (8 Ports) Contents Contents 1 Introduction
More informationCOMPUTER APPLICATIONS QuesBnk
1. occurs when data transmission is at a variable rate of speed in which special signals indicate the start and end of a transmission. A. Automatic insertion B. Asynchronous transmission C. Differential
More informationipanel CONTROL TECHNOLOGY CORPORATION ipanel Installation Guide and Specifications ipanel Installation Guide
ipanel CONTROL TECHNOLOGY CORPORATION ipanel Installation Guide and Specifications ipanel Installation Guide CONTROL TECHNOLOGY CORPORATION ipanel Installation Guide and Specifications 2003 Control Technology
More informationSerial Communications
Serial Communications p. 1/2 Serial Communications CSEE W4840 Prof. Stephen A. Edwards Columbia University Early Serial Communication Serial Communications p. 2/2 Data Terminal Equipment Serial Communications
More informationComputers Are Your Future
Computers Are Your Future Twelfth Edition Chapter 2: Inside the System Unit Copyright 2012 Pearson Education, Inc. Publishing as Prentice Hall 1 Inside the Computer System Copyright 2012 Pearson Education,
More informationFUNCTIONS OF COMPONENTS OF A PERSONAL COMPUTER
FUNCTIONS OF COMPONENTS OF A PERSONAL COMPUTER Components of a personal computer - Summary Computer Case aluminium casing to store all components. Motherboard Central Processor Unit (CPU) Power supply
More informationUFC3212V. Version 1.0
UFC3212V Version 1.0 Contents 1.0 USB Port Features.P.3 2.0 System Requirement.P.3 3.0 Driver Limitations..P.3 4.0 Driver Installation..P.4 5.0 1394 Features..P.9 6.0 Technical Information..P.10 7.0 How
More informationMulti-port Serial Cards
Multiport Serial Cards.1 Overview P11 Features Wiring Note for RS3 and RS4/485 Devices Selection Guide P11 P13 P14. VXC Series Communication Boards P1.3 Applications P31 Overview.1. Overview Multiport
More informationDirect-Attached Storage (DAS) is an architecture
Chapter 5 Direct-Attached Storage and Introduction to SCSI Direct-Attached Storage (DAS) is an architecture where storage connects directly KEY CONCEPTS to servers. Applications access data from Internal
More informationEECS 373 Design of Microprocessor-Based Systems
EECS 373 Design of Microprocessor-Based Systems Prabal Dutta University of Michigan Lecture 10: Serial buses October 2, 2014 Some material from: Brehob, Le, Ramadas, Tikhonov & Mahal 1 Announcements Special
More informationUSB (Universal Serial Bus) Presentation to UCHUG - 2/06/08 G. Skalka
USB (Universal Serial Bus) Presentation to UCHUG - 2/06/08 G. Skalka What is USB? Universal Serial Bus A computer peripheral interface Ubiquitous across all computer platforms Several variations - continues
More informationDigital Circuits Part 2 - Communication
Introductory Medical Device Prototyping Digital Circuits Part 2 - Communication, http://saliterman.umn.edu/ Department of Biomedical Engineering, University of Minnesota Topics Microcontrollers Memory
More informationCables, Cards & Connectors
Malling U3A Computer Group Cables, Cards & Connectors Chris Daly 5 th February 2018 Cables, Cards & Connectors How many of you have a box or drawer of cables? How many of you are unsure which cable or
More informationQ1. Describe C.P.U and its subunits with the help of diagram?
Q1. Describe C.P.U and its subunits with the help of diagram? Ans. C.P.U (CENTRAL PROCESSING UNIT) Book page # 27 The C.P.U is the brain of computer.it controls and supervises all the units. Processing
More informationAgenda. Introduction Market trend and application 1394 Market Analysis Data 1394 and industry Applications. Other Technologies USB DVI
Agenda Introduction Market trend and application 1394 Market Analysis Data 1394 and industry Applications Technology What is 1394? Why 1394? Applications 1394 Protocol PHY Link Layer Transaction Layer
More informationLecture 25 March 23, 2012 Introduction to Serial Communications
Lecture 25 March 23, 2012 Introduction to Serial Communications Parallel Communications Parallel Communications with Handshaking Serial Communications Asynchronous Serial (e.g., SCI, RS-232) Synchronous
More informationSection 16 USB ADD ON CARDS. PCI Express 2 Port USB 3.0 Card. PCI Express 4 Port USB 3.0 Card. 2 Port USB 3.0 PCI Express. USB 2.
USB ADD ON CARDS PCI Express 4 Port USB 3.0 Card AOC-PE-U34P 4 Port USB 3.0 Adds 4 x USB 3.0 Ports PCI Express 2 Port USB 3.0 Card AOC-PE-U32PV2 2 Port USB 3.0 Adds 2 x USB 3.0 Ports 2 Port USB 3.0 PCI
More informationCommunication of graphics devices with PC. Bohdal, PhD.
Communication of graphics devices with PC RNDr. Róbert R Bohdal, PhD. 1 Overview of connection types with computer Serial Port Parallel Port PS/2 - Personal System USB (Universal Serial Bus) SCSI (Small
More informationParallel Data Transfer. Suppose you need to transfer data from one HCS12 to another. How can you do this?
Introduction the Serial Communications Huang Sections 9.2, 10.2, 11.2 SCI Block User Guide SPI Block User Guide IIC Block User Guide o Parallel vs Serial Communication o Synchronous and Asynchronous Serial
More informationA+ Guide to Hardware: Managing, Maintaining, and Troubleshooting, 5e. Chapter 1 Introducing Hardware
: Managing, Maintaining, and Troubleshooting, 5e Chapter 1 Introducing Hardware Objectives Learn that a computer requires both hardware and software to work Learn about the many different hardware components
More informationConnector and Cable Specifications
APPENDIX B This appendix describes the pinouts and cabling requirements for the interfaces and cables used on the Cisco ubr925 cable access router. All connectors for these interfaces are on the rear-panel,
More informationPCI 32 bit P&P Agere IEEE Ports PCI Host
70938 PCI 32 bit P&P Agere IEEE 1394 3+1 Ports PCI Host Contents 1.0 What is IEEE1394.P.2 2.0 1394 Features..P.2 3.0 PC System Requirements..P.2 4.0 Technical Information..P.3 5.0 Hardware Installation...P.3
More informationAtlas III. 50-Pin Jumper Settings. 50-Pin Jumper Settings. Termination Enable (TE) 1 of 4
50-Pin Jumper Settings 50-Pin Jumper Settings The following describes the jumper options and settings available on the Maxtor Atlas III disk drive. For more detail on jumper definitions; please refer to
More information8-Port RS-232 PCIe Card
8-Port RS-232 PCIe Card User Manual Ver. 1.00 All brand names and trademarks are properties of their respective owners. Contents: Chapter 1: Introduction... 3 1.1 Product Introduction... 3 1.2 Features...
More informationor between microcontrollers)
: Communication Interfaces in Embedded Systems (e.g., to interface with sensors and actuators or between microcontrollers) Spring 2016 : Communication Interfaces in Embedded Systems Spring (e.g., 2016
More informationEasySYNC Ltd. USB to Serial Converters Manual
EasySYNC Ltd Document Reference No.: ES_000061 Issue Date: 2011-08-23 The ES-U-xxxx-x adapters are a series of USB Serial Converters from EasySYNC Ltd. They provide a simple method of adapting legacy RS-232
More informationAbout the Presentations
About the Presentations The presentations cover the objectives found in the opening of each chapter. All chapter objectives are listed in the beginning of each presentation. You may customize the presentations
More informationBeagleBone Black USB Expansion RS232 Module Cape Coolgear, Inc. Version 1.1 September 2017 Model Number:
BeagleBone Black USB Expansion RS232 Module Cape Product Manual Coolgear, Inc. Version 1.1 September 2017 Model Number: USB-2COM-BB 2 USB-2COM-BB Product Manual Revision History Revision Date Author Comments
More informationWhat is the typical configuration of a computer sold today? 1-1
What is the typical configuration of a computer sold today? 1-1 Computer Hardware Components In this chapter: How did the computer become known as the stored-program computer? Do they all have the same
More informationSerial Communication Prof. James L. Frankel Harvard University. Version of 2:30 PM 6-Oct-2015 Copyright 2015 James L. Frankel. All rights reserved.
Serial Communication Prof. James L. Frankel Harvard University Version of 2:30 PM 6-Oct-2015 Copyright 2015 James L. Frankel. All rights reserved. Overview of the Serial Protocol Simple protocol for communicating
More informationChecking the Status of a 10/100Base-T Network Connection
Congratulations on purchasing your Macintosh computer. Since you chose the components of your computer, parts of it may differ from what s described in the manual that came with it. This update addresses
More informationInput/Output Problems. External Devices. Input/Output Module. I/O Steps. I/O Module Function Computer Architecture
168 420 Computer Architecture Chapter 6 Input/Output Input/Output Problems Wide variety of peripherals Delivering different amounts of data At different speeds In different formats All slower than CPU
More informationUnderstanding Computers. Hardware Terminology
Understanding Computers Hardware Terminology Definitions A computer is a machine that manipulates data according to a list of instructions. Personal computer: a computer whose original sales price, size,
More informationMEV Limited USB232/485 INSTRUCTION MANUAL
MEV Limited USB232/485 INSTRUCTION MANUAL USB TO RS232 / RS485 SERIAL COMMUNICATIONS INTERFACE WITH ISOLATION OPTION Issue 5 LIST OF CONTENTS 1 INTRODUCTION 1 1.1 The Products Described in this Manual
More informationEasySYNC Ltd. USB to Serial Converters Manual
EasySYNC Ltd Document Reference No.: ES_000061 Issue Date: 2011-01-26 The ES-U-xxxx-x adapters are a series of USB Serial Converters from EasySYNC Ltd. They provide a simple method of adapting legacy RS-232
More informationOrganisasi Sistem Komputer
LOGO Organisasi Sistem Komputer OSK 5 Input Output 1 1 PT. Elektronika FT UNY Input/Output Problems Wide variety of peripherals Delivering different amounts of data At different speeds In different formats
More informationPC I/O. May 7, Howard Huang 1
PC I/O Today wraps up the I/O material with a little bit about PC I/O systems. Internal buses like PCI and ISA are critical. External buses like USB and Firewire are becoming more important. Today also
More informationCOMP asynchronous buses April 5, 2016
All the I/O examples we have discussed use the system bus to send data between the CPU, main memory, and I/O controllers. The system bus runs at a slower clock speed than the CPU because of greater distances
More informationTrue/False Indicate whether the statement is true or false. Bubble A for True and B for False
1A Name _ Midterm Review Part 1 Lesson 1 and 2 True/False Indicate whether the statement is true or false. Bubble A for True and B for False 1. A computer is an electronic device that receives data (input),
More informationTrue/False Indicate whether the statement is true or false. Bubble A for True and B for False
1 Name Midterm Review Part 1 Lesson 1 and 2 "B" True/False Indicate whether the statement is true or false. Bubble A for True and B for False 1. Eight bits are equal to one byte. 2. A computer is an electronic
More information3.1 I-7560 Pin Assignment and Specifications: Introduction
3.1 I-7560 Pin Assignment and Specifications: Introduction The I-7560 adds a Windows serial Com port via its USB connection and is compatible with new & legacy RS-232 devices. USB Plug and Play allows
More informationChapter 0: IT Essentials Introduction Chapter 1: Introduction to the Personal Computer
Name Date Chapter 0: IT Essentials Introduction Chapter 1: Introduction to the Personal Computer After completion of this chapter, students should be able to: Explain IT industry certifications and technician
More information(renamed the "EIA232 Standard" in the early 1990 s)
Contents (renamed the "EIA232 Standard" in the early 1990 s) Written by Christopher E. Strangio Copyright 1993-2003 by CAMI Research Inc., Lexington, Massachusetts Send Us Your Comments... What is EIA232?
More informationChapter 4 The Components of the System Unit
Chapter 4 The Components of the System Unit Chapter 4 Objectives Differentiate among various styles of of system units Differentiate among the the various types of of memory Identify chips, adapter cards,
More information