Universal serial bus hub with shared high speed handler

Details Universal serial bus hub with shared high speed handler Universal serial bus hub with shared high speed handler

2005-10-25

2005-10-25

Fleming, Fritz (Department: 2182)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S002000, C710S008000, C710S020000, C710S021000, C710S033000, C710S060000, C710S062000, C710S063000, C710S064000, C710S072000, C710S073000, C710S074000, C710S104000, C710S105000

Reexamination Certificate

active

06959355

ABSTRACT:
A device may include an upstream port and several downstream ports configured to transfer data at a different data transfer rate than the upstream port. The device may also include several downstream data handlers, each coupled to a respective one of the downstream ports, and an upstream data handler coupled to the upstream port. The data handlers are configured to implement a USB protocol. The upstream data handler is configured to provide data received via the upstream port to each of the downstream data handlers. Accordingly, the upstream data handler is shared between the various downstream data handlers.

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Cypress Semiconductor Corporation, “TetraHub™ High-speed USB Hub Controller,” Publication No. CY7C6540, Dec. 5, 2002, 25 pages.
Compaq et al.;Universal Serial Bus Specification, Revision 2.0; Chapter 11: Hub Specification, Apr. 27, 2000, pp. 297-437 (Revision 2.0).

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