USB On-The-Go Marketing Overview
Feb 26, 2002
Why USB On-the-Go? w There is a clear need for connectivity in
mobile devices w This is demonstrated by the attempts of many intelligent mobile devices to provide some sort of connection method w Connectivity is in a state of disarray with literally dozens of proprietary connection methods Feb 26, 2002
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Models for each Interface w Example: Stowaway Portable Keyboards (Actual Products)
…for Palm …for Handspring Visor …for HP Jornada …for Sony CLIE Handhelds
Feb 26, 2002
…for Compaq IPAQ
3
7 different memory card interfaces w SmartCard, SmartMedia (SSFDC), Compact Flash, MMC,
Secure Digital (SD), Memory stick, Microdrive w Used by many mobile devices including cameras, cellular phones, PDAs and printers
Feb 26, 2002
Proprietary cradles w Proprietary expansion ports, cradles – Examples - Springboard, iPaq & Jornada sleds, cradles for just about every cellular phone
Feb 26, 2002
Various proprietary and “standard” cables
Sync Cable for Casio
Sync Cable for IPAQ Sync Cable for Palm
Sync Cable for Handspring
Feb 26, 2002
Sync Cable for HP Jornada Sync Cable for Motorola phone
… Even USB w Terapin host+device, Canon
photo printer, MP3 players w Proprietary mini-B connectors on digital cameras
Feb 26, 2002
USB is Widely Popular w USB has been around for over 6 years and
is a very popular and mature technology w Over 1 Billion USB enabled products are in the installed base – In-Stat w Cheap w Reliable w Good performance
Feb 26, 2002
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Installed Base of USBEquipped PCs Installed Base (M Units) 800 600 400 200 0 1999
2000
2001
2002
Desktop
Laptop
2003
2004
Source: Cahners In In-- Stat Group, Sept 2000
Feb 26, 2002
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Peripheral Growth… Number of Peripherals Shipped per Year Peripheral Volume (in Millions) 700
55% CAGR from 1999-2004
600 500 400 300 200 100 0 1999
2000
2001
2002
2003
2004
Source: Cahners In In-- Stat Group, Sept 2000
Feb 26, 2002
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USB Characteristics w Host – peripheral, not peer-to-peer w Products that use USB fall into 2 categories today – Host – PCs, Macs and laptops – Peripherals – All devices attached to the host
w Hosts cannot attach to each other w Peripherals cannot attach to each other
Feb 26, 2002
USB OTG Standard Interconnectivity w USB On-The-Go provides a STANDARD
USB connection for Mobile devices w USB On-The-Go allows a product to be both host and peripheral (dual-role) and to switch roles on demand w With USB On -The-Go only one side of the connection needs to be On-The-Go enabled, allowing interconnectivity with the installed base of USB products
Feb 26, 2002
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USB On-The-Go Connection Example Cellular Phone Connects to PC as a peripheral New functionality via OTG Connects to camera as host
Existing digital camera with USB peripheral capability
Existing PC with USB host
Feb 26, 2002
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Application Examples Host PC
Peripheral PDA Cell Phone Camera Audio Player
Functions Hot sync, file transfers Hot sync, edit directories Upload pictures Upload / download songs
PDA
PDA Cell Phone Camera Keyboard Mouse Printer
Exchange files Surf web, send email Upload / download pictures User interface User interface Print files, pictures
Feb 26, 2002
Application Examples More Host Cell Phone
Peripheral Cell Phone PDA Camera Audio Player
Functions Exchange directories, songs, apps, etc Exchange files, surf web Upload pictures to web, email Exchange songs
Camera
Camera Cell Phone Printer
Exchange pictures Upload pictures to web, email Print pictures
Audio Player Audio Player Exchange songs CD Player Upload songs Speaker Play songs Feb 26, 2002
A Day in Life with OTG w
w
w
w w w
In her classroom Maria uses a USB keyboard (peripheral) with her OTGenabled SmartPhone (host mode) to type a last minute party email At home Maria then syncs with her PC (host) and downloands a new MP3 track into her SmartPhone before going to a party As she is leaving Maria plugs her USB headset into her SmartPhone (host mode) and calls her friends to tell them she is on her way While driving to the party Maria plugs her SmartPhone into the jukebox system (host) to play her music playlist After the party Lisa has an OTG enabled camera and shares photos with Maria’s SmartPhone At home Maria connects her SmartPhone (host mode) to her USB photo printer and prints her favorite photo
Feb 26, 2002
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USB On-The-Go Goals w Maintain spirit of USB – – – –
Host / Peripheral, not Peer to Peer Keyed connectors ensure correct topologies No silent failures Addendum to USB 2.0 Specification
w Minimize deviations from core spec – Mechanical, electrical, software
w Address the unique needs of portable devices – – – – – Feb 26, 2002
Smaller connectors Be both host and peripheral Lower output power Turn off interface while not in use Limited memory for drivers
What Changes does OnThe-Go Require? w Defines a reduced connector size w Reduces power consumption – 8 ma
