Extensible Host Controller Interface: Difference between revisions

Revision as of 18:04, 26 March 2013

Revision as of 12:28, 23 June 2013

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== Architectural goals ==

The xHCI is a radical break from the previous generations of USB host controller interface architectures (i.e. the [[Open Host Controller Interface]] - (OHCI), the [[Universal Host Controller Interface]] - (UHCI), and the [[Enhanced Host Controller Interface]] - (EHCI)) on many counts.

Following are the key goals of the xHCI architecture:

* Efficient operation – idle power and performance better than legacy USB host controller architectures.