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Topic: USB

	USBGear USB Enclosure USB Adapter USB SERIAL USB Cable USB Hub USB SATA
		USB CAT5 LONG RANGE EXTENDER Up to 150ft.
		USB to Serial for Windows Vista RS-232 DB-9 Adapter This Adapter is ideal for use with Mobile Phones,modems, digital cameras, ISDN terminal adapters, graphics tablets, PDAs, bar code scanners, label printers and other serial devices which require an RS-232 connection
		This Vista(TM) USB Link Adapter is specially designed to work with Windows Easy Transfer, a new feature on the most recent Windows operation system - Vista.
	www.usbgear.com (486 words)

	Universal Serial Bus (USB*) Overview
		USB is now a standard feature on all PCs and makes it much easier for users everywhere to plug in everything from digital cameras to MP3 players to their PCs.
		USB OTG defines a dual-role device, which can act as either a host or peripheral, and can connect to a PC or other portable devices through the same connector.
		The Wireless USB specification maintains the same usage and architecture as wired USB with a high-speed host-to-device connection.
	www.intel.com /technology/usb (743 words)

	USB Central
		The USB 2.0 specification requires all communications to be between a USB host and a device.
		USB Multi-Role Device Design By Example is a new book by John Hyde and a free download from Cypress (PDF).
		Jungo.com's WinDriver USB is an enhanced version of Jungo's Driverwizard, which enables developing driver code in user mode and later moving it to kernel mode.
	www.lvr.com /usb.htm (3776 words)

	USB - Encyclopedia.WorldSearch (Site not responding. Last check: )
		USB signals are transmitted on a twisted pair of data cables, labelled D+ and D-.
		USB cables and small USB devices are held in place by the gripping force from the receptacle (without the need for the screws, clips, or thumbturns other connectors require).
		Wireless USB is a promising future standard being developed to extend the USB standard while maintaining backwards compatiblity with USB 1.1 and USB 2.0 on the protocol level.
	encyclopedia.worldsearch.com /usb.htm (3298 words)

	PDA Encyclopedia - USB
		The design of USB aimed to remove the need for adding separate cards into the computer's ISA or PCI bus, and improve plug-and-play capabilities by allowing devices to be hot swapped or added to the system without rebooting the computer.
		USB can connect peripherals such as mice, keyboards, scanners, digital cameras, printers, hard drives, and networking components.
		USB has not completely replaced AT keyboard connections and PS/2 mouse connections, but virtually all PC motherboards today have one or more USB ports.
	www.pdasupport.com /PDAencyclopediaUSB.htm (624 words)

	USB Overview by Quatech
		USB is generally described as having a tiered star topology, however each device communicates with the host as if it had its own connection.
		USB is technically not a bus in the tradition of ISA, MCA or PCI, as it provides more than a simple interface to the host computer.
		USB combines the bus and the communication protocol into a single entity which connects directly to a peripheral device.
	www.quatech.com /support/comm-over-usb.php (1483 words)

	USB Definition
		USB ports began to appear on PCs in 1997, and Windows 98 was the first Windows to support it natively.
		USB devices can be connected to without turning the computer off, enabling removable devices to be plugged and unplugged as needed.
		USB has a maximum bandwidth of 12 Mbps for USB 1.0 and 1.1 and 480 Mbps for Hi-Speed USB 2.0.
	www.pcmag.com /encyclopedia_term/0,2542,t=USB&i=53531,00.asp (1114 words)

	Universal Serial Bus information and troubleshooting
		USB cables are hot swappable which allows users to connect and disconnect the cable while the computer is on without any physical damage to the cable.
		USB 1.1 - Also known as full-speed USB, USB 1.1 is similar to the original release of USB; however, there are minor modifications for the hardware and the specifications.
		Hi-speed USB is capable of supporting a transfer rate of up to 480 Mbps and is backwards compatible, meaning it is also capable of supporting USB 1.0 and 1.1 devices and cables.
	www.computerhope.com /help/usb.htm (766 words)

	Gentoo Linux Documentation -- Gentoo Linux USB Guide
		USB stands for Universal Serial Bus and is basically an external interface standard that enables communication between the computer and various other peripherals.
		USB 2.0 supports a maximum data transmission speed of 480 Mbps or 60 MBps and this is the major difference between the two standards.
		The camera is set to USB mass storage mode and hence the procedure is exactly the same as that of accessing a memory stick because of which I have not explained in detail about it.
	www.gentoo.org /doc/en/usb-guide.xml (2244 words)

	USB
		Most of the new PCs and Macs have USB connectors at this point, and the number of peripherals is increasing exponentially.
		USB can't be used directly as a fast connection between PCs, but there are special products which allow small scale networking using USB bus.
		USB provides a powerful, hot-plug-capable, "true plug-and-play" interface between a host computer and add-on peripheral devices.
	www.nullmodem.com /USB.htm (490 words)

	USB 2.0, Hi Speed USB FAQ
		USB 2.0 has a raw data rate at 480Mbps, and it is rated 40 times faster than its predecessor interface, USB 1.1, which tops at 12Mbps.
		USB flash drives have also reached 33MByte/s, but there seems to be some limitations in the NAND itself so you shouldn't expect their speeds to skyrocket in a next year or two.
		A USB hub has to re-calculate the time left before the next sof (end of the uframe); the small extra delay added by the hardware hub could make the transaction not handled as fast as a device directly connected to the host.
	www.everythingusb.com /usb2/faq.htm (2022 words)

	USB and PIC Microprocessors 16C745 and 18F2455 - from AlanMacek.com
		The USB device consisted of a microphone, the microprocessor and other hardware and the device sent audio data to the host computer.
		USB (Universal Serial Bus) is a protocol that allows two way communication between peripheral devices and a host computer.
		Each USB device is able to draw 100mA from the cable which allows a device to be bus powered.
	www.alanmacek.com /usb (2508 words)

	Access USB devices from Java applications
		A given USB device may have many endpoints, and the number of data pipes between the host and the device is the same as the number of endpoints on the device.
		When a USB device is attached to a USB port, this unique port ID is assigned to the device and the device descriptor is read by the USB controller The device descriptor includes information that applies globally to the device, as well as information on the configuration of the device.
		A USB device may have one or more configurations, which are described by their corresponding configuration descriptors.
	www-106.ibm.com /developerworks/java/library/j-usb.html (3186 words)

	USB in a NutShell - Chapter 2 - Hardware
		Other prohibited cables are USB extensions which has a plug on one end (either type A or type B) and a socket on the other.
		USB 1.1 and USB 2.0 was relaxed to recommend Black, Grey or Natural.
		When first connected to the bus, this allows the microcontroller to initialise the USB function device before it enables the pull up speed identification resistor, indicating a device is attached to the bus.
	www.beyondlogic.org /usbnutshell/usb2.htm (2283 words)

	USB Article E. Insam
		USB peripherals have to synchronise their outputs to the frame start, so internal buffers are generally necessary to maintain a constant flow of data.
		USB uses the term “pipe” to denote a data transfer from the PC to a particular endpoint.
		USB support is provided in the form of firmware subroutines, which you link into your own code.
	www.eix.co.uk /Ethernet/USB (5490 words)

	USB Explained: Is the Universal Serial Bus for You?
		The intent of the USB architecture is to provide a replacement for the aging serial and parallel ports on existing computers.
		USB uses one IRQ no matter how many devices are in use and it offers instant plug and play for its device set.
		All of the devices on the USB ports are then enumerated and each is assigned a unique device number, which also includes a corresponding pipe number for physical device communications.
	www.noccc.org /bytes/articles/v01/326.html (1748 words)

	USB.org - Documents
		USB 2.0 Icon Design Guideline This design guideline provides a recommendation to PC OEMs on how to distinguish USB 2.0 ports to address the scenario where a high-speed device is plugged into a Original USB (full/low-speed) port.
		USB 2.0 Adopters Agreement (.pdf file format, size 22k) USB 2.0 Adopters Agreement allows a signing company to participate in a reciprocal, royalty-free licensing arrangement for compliant products.
		This letter is to provide USB 2.0 Adopters the option of extending their Adopter Agreement to address this new Spec Supplement (the Spec Supplement exceeds the scope of your original USB 2.0 Adopters Agreement, which is specific to the USB 2.0 Specification).
	www.usb.org /developers/docs.html (2258 words)

	What is USB? - a definition from Whatis.com - see also: , Universal Serial Bus
		USB (Universal Serial Bus) is a plug-and-play interface between a computer and add-on devices (such as audio players, joysticks, keyboards, telephones, scanners, and printers).
		The USB peripheral bus standard was developed by Compaq, IBM, DEC, Intel, Microsoft, NEC, and Northern Telecom and the technology is available without charge for all computer and device vendors.
		USB supports a data speed of 12 megabits per second.
	whatis.techtarget.com /definition/0,,sid9_gci214166,00.html (281 words)

	Hardware & Drivers - USB
		USB offers several benefits such as low cost, expandability, auto-configuration, hot-plugging and outstanding performance.
		Since USB is a standard, third-party hardware is identical for all platforms; only differing in the software required for a specific OS.
		USB Developer related information to aid in the advancement and adoption of Universal Serial Bus technology.
	developer.apple.com /devicedrivers/usb (216 words)

	USB Serial Adapters by Quatech
		Quatech USB Serial Adapters are reliable solutions for a wide variety of commercial uses in industries such as banking, retail, hospitality and industrial automation where PCs have significantly shorter lifecycles than the peripherals used with them.
		Boasting industry-leading speed and features, these USB serial converters enumerate themselves as standard COM ports enabling systems to be expanded using USB without any changes to application software.
		USB to RS-232, USB to RS-422, USB to RS-485.
	www.quatech.com /products/usb.php (154 words)

	Definition of Universal Serial Bus (Site not responding. Last check: )
		It is impossible to incorrectly attach a USB connector.
		The USB standard specifies relatively low tolerances for compliant USB connectors, intending to minimize incompatibilities in connectors produced by different vendors (a goal that has been very successfully achieved).
		Microsoft's Xbox console uses standard USB 2.0 signalling, but features a proprietary connector rather than the standard USB connector.
	www.wordiq.com /definition/Universal_Serial_Bus (3270 words)

	Information on the Universal Serial Bus, Part I
		USB supports "plug and play" -- the operator does not need to be heavily involved in the set-up process.
		USB Implementers Forum, Inc. is a non-profit corporation formed by a group of companies that developed the initial USB specification.
		For example, because of the limited bandwidth of the USB 1.x standard, care must be exercised when combining devices compliant with that specification where data receipt is time-sensitive -- such as several devices on one bus that all transfer video simultaneously.
	www.sss-mag.com /usb.html (2859 words)

	USB analyzer, usb analyzers, Advisor USB analyzer, USB 2.0 analyzers (Site not responding. Last check: )
		The LeCroy Advisor, our fourth generation USB bus and protocol analyzer, was introduced in the first quarter of 2000.
		It was the first USB 2.0 analyzer delivered to the market and builds on our growing experience and knowledge of the development community's needs.
		The LeCroy Chief, our third generation USB bus and protocol analyzer, was introduced in the first quarter of 1999.
	www.catc.com /products/usb4dos.html (507 words)

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