Universal Serial Bus: Difference between revisions
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=== USB 3.0 Host Controllers === |
=== USB 3.0 Host Controllers === |
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In late 2008, the USB-IF released the USB 3.0 specifications. USB 3.0 host controllers are just starting to make their way into consumer devices since NEC introduced the world's first “SuperSpeed USB 3.0 host controller” in May, 2009, [http://www.techspot.com/news/34763-nec-introduces-worlds-first-usb-30-host-controller.html techspot reports]. |
In late 2008, the USB-IF released the USB 3.0 specifications. USB 3.0 host controllers are just starting to make their way into consumer devices since NEC introduced the world's first “SuperSpeed USB 3.0 host controller” in May, 2009, [http://www.techspot.com/news/34763-nec-introduces-worlds-first-usb-30-host-controller.html techspot reports]. |
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Intel is currently working on a USB 3.0 host controller specification called the '''eXtensible Host Controller Interface''' ('''xHCI'''), the draft specification is not yet publicly distributed, the only available public reference is a [http://git.kernel.org/?p=linux/kernel/git/sarah/xhci.git;a=summary driver for linux] developed by Sarah Sharp. |
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In 2009, NEC introduced the [http://www.am.necel.com/usb/product/upd720200.html µPD720200], a USB 3.0 host controller compliant with Intel's draft xHCI specification. |
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'''Specifications''' |
'''Specifications''' |
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* [http://www.usb.org/developers/docs/usb_30_spec_052109.zip USB 3.0 Specifications] |
* [http://www.usb.org/developers/docs/usb_30_spec_052109.zip USB 3.0 Specifications] |
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* xHCI host controller specifications are unavailable at this time. |
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== Basic Concepts and Nomenclature == |
== Basic Concepts and Nomenclature == |
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