Intel unveils the draft specification of its xHCI (eXtensible Host Controller Interface) for USB 3.0. The xHCI draft specification describes the register-level host controller interface for Universal Serial Bus (USB) Revision 2.0 and above. The specification includes a description of the hardware/software interface between system software and the host controller hardware.
This specification is intended for hardware component designers, system builders and device driver (software) developers. Specs can be checked at the link http://www.intel.com/technology/usb/spec.htm.
For the end users what does it means ? If we go along with the promoter group (Microsoft, Intel, Texas Instrument, HP, NEC, NXP) of the USB 3.0 then it means a SuperSpeed USB personal interconnect that can deliver over 10 times the speed of today’s connection. The technology will target fast sync-and-go transfer applications in the PC, consumer and mobile segments that are necessary as digital media become ubiquitous and file sizes increase up to and beyond 25 Gigabytes. USB (Universal Serial Bus) 3.0 will create a backward-compatible standard with the same ease-of-use and plug and play capabilities of previous USB technologies. Targeting over 10x performance increase, the technology will draw from the same architecture of wired USB. In addition, the USB 3.0 specification will be optimized for low power and improved protocol efficiency.
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