Usb 3.0 Seminar

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    USB 3.0

    PRESENTED BY

    K.Suresh babu

    UNDER THE GUIDANCE OF

    Mr.M.V.Bhavani shankar

    Professor

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    CONTENTS

    What is USB?

    Pre-Releases Of USB

    History Of USB

    USB 3.0 Now Key Features

    Connector Properties

    Connector Types

    Architecture

    Conclusion

    References

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    What is USB?

    USB stands for Universal Serial Bus

    Provides an expandable, fast, bi-directional, low cost, hotpluggable Plug and Play serial hardware interface

    Allows users to connect a wide variety of peripherals to acomputer and have them automatically configured and readyto use

    Implemented to provide a replacement for legacy ports tomake the addition of peripheral devices quick and easy forthe end user

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    Pre-Releases of USB

    USB 0.7: Released in November 1994.

    USB 0.8: Released in December 1994.

    USB 0.9: Released in April 1995.

    USB 0.99: Released in August 1995.

    USB 1.0: Released in November 1995

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    History of USB

    There have been three versions released priorto 3.0

    USB 1.0 in January 1996 data rates of 1.5 Mbps up to 12Mbps

    USB 1.1 in September 1998 first widely used version ofUSB

    USB 2.0 in April 2000Major feature revision was the addition of a high speed transfer rate

    of 480 Mbps

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    USB 3.0 Now

    On Nov 17,2008 It was Developed

    It is called as SUPER SPEED Technology

    Transfer Mode of Up to 4.8 Gbps

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    Current Devices using USB

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    Key Features

    Single connector type

    Replaces all different legacy connectors with one well-defined standardized USB connector for all USB peripheral

    devices

    Hot swappable

    Devices can be safely plugged and unplugged as neededwhile the computer is running (no need to reboot)

    Plug and Play

    OS software automatically identifies, configures, and loadsthe appropriate driver when connection is made

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    Key Features

    High performance

    USB offers data transfer speeds at up to 4.8 Gbps

    Expandability Up to 127 different peripheral devices may theoretically be

    connected to a single bus at one time

    Bus-supplied power USB distributes the power to all connected devices,

    eliminating the need for an external power source for lowpower devices (flash drives, memory cards, Bluetooth)

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    Connector propertiesAvailability

    Consumer Products are expected to become availablein 2010

    Usability Most connectors cannot be plugged in upside down

    Durability

    The standard connectors were designed to be robust

    Compatibility

    Two-way communication is also possible. In USB 3.0,full-duplex communications are done when usingSuperSpeed (USB 3.0) transfer

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    Connector Types male micro USB

    male mini USB B-type male B-type

    female A-type

    male A-type

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    USB 3.0 vs Other Standards

    FireWire 1394 has a maximum datatransfer rate of 800 Mbps

    eSATA bus a a maximum datatransfer rate of 3.2 Gbps

    Example:

    Asus demonstrated transfer of a 25GB HD movie in 70 seconds using aUSB 3.0 bus versus the USB 2.0transfer time of about 4 hours

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    CABLES

    PIN NAME CABLE

    COLOUR

    DESCRIP

    TION

    1 VCC RED +5V

    2 D- WHITE DATA-

    3 D+ GREEN DATA+

    4 GND BLACK GND

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    Inside USB Cable

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    Part Number Guide

    3021001-03

    USB Series Connector Series Length3021 is USB 2.0 001 -03 = 3 Ft

    3023 is USB 3.0 002 -03M = 3 Meters

    003

    004

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    Maximum Useful Distance

    USB 1.1 maximum cable length is 3 metres (9.8 ft)

    USB 2.0 maximum cable length is 5 metres (16 ft)

    USB 3.0 cable assembly may be of any length

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    Power Management for 3.0

    Increased power to devices

    Decreased power consumption during idle periods

    Increased maximum bus power and device current draw withincreased power control for maximum efficiency

    50% more power is provided for unconfigured or suspended devices(150 mA up from 100 mA)

    80% more power is available for configured devices (900 mA up from500 mA).

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    Devices utilizing increased speeds of

    USB 3.0

    External Blue-Ray Players

    External high capacity HDD Drives

    High Mega Pixel cameras

    High Definition Video capture devices

    Multi-channel Audio Interfaces

    High capacity Jump Drives (USB Storage Devices)

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    Architecture

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    Architectural Overview

    A USB system consists of a host and some number of devicesall operating together on the same time base and logicalinterconnect.

    USB system can be described by three definitional areas:

    USB interconnect USB devices

    USB host

    USB interconnect is the manner in which USB devices areconnected to and communicate with the host.

    This includes the following: Topology

    Data Flow Models

    USB Schedule

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    USB 3.0 Packet Handling

    All data transfers initiated by host

    Hub can be up to 5 layers deep (127 devices)

    Packets routed NOT broadcast

    Hubs use store and forward procedures Packets held by hub which are being directed to inactive port

    Downstream packets use route string to navigate to

    device

    Upstream always contains host as destination

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    USB 2.0 & USB 3.0

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    Comparison USB 2.0

    USB 3.0 USB 3.0 is 10X Faster than USB 2.0

    USB 3.0: 4.8Gbit/sec

    USB 2.0: 480Mbit/sec

    Full-duplex data transfers using Bi-directional data interface

    New Power Management features; Increased power to devices withdecreased power consumption during idle periods

    Increased maximum bus power and device current draw with increased

    power control for maximum efficiency

    100% Backwards Compatible with USB 2.0

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    APPLICATIONS

    USB implements connections to storage devices using a set

    of standards called the USB mass storage device class.

    USB 3.0 can also support portable hard disk drives. Theearlier versions of USBs were not supporting the 3.5 inch hard

    disk drives.

    These external drives usually contain a translating device that

    interfaces a drive of conventional technology (IDE, PATA,

    SATA, ATAPI, or even SCSI) to a USB port.

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    Applications

    Wireless video display

    Home and office

    MP3s General data transfer

    And More

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    Why the upgrade? Mainly the need for faster transfer rates in devices

    such as hard drives, flash card readers, and DVD,

    Blu-ray, and HD DVD optical drives

    User applications demanding a higher performance

    connection between the PC and peripherals

    Need for greater energy efficiency in todays

    greener world

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    Conclusion The Universal serial bus 3.0 is supporting a speed of

    about 5 Gb/sec i.e. ten times faster than the 2.0

    version.

    So hopefully by the help of this SuperSpeed data

    transfer rate the USB 3.0 will be replacing many of the

    connecters in the future

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    References USB System Architecture By Don Anderson

    http://www.rfcafe.com/vendors/components/ultra-wideband-uwb.htm

    http://www.reghardware.co.uk/2008/08/14/intel_posts_usb_3_hci_spec/

    www.usb.org

    http://www.intel.com/technology/comms/uwb

    http://www.intel.com/technology/comms/wusb/index.htm

    http://www.ece.ucsb.edu/~rajeev/data/courses/engr103/paper.pdf

    http://whatis.techtarget.com/definition/0,,sid9_gci1188752,00.html

    http://isi.edu/nsnam/ns/doc/node178.html

    http://www.reghardware.co.uk/2008/11/18/usb_3_completed/

    http://www.reghardware.co.uk/2008/01/09/ces_usb_3_revealed/

    http://www.reghardware.co.uk/2008/08/14/intel_posts_usb_3_hci_spec/

    http://www.everythingusb.com/usb2/faq.htm

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