Patent · US Active

Universal serial bus host controller and control methods thereof

US7865653B2 · kind B2 · utility

1Cited by

1References

19Claims

0Family size

Assignee

VIA Technologies, Inc. · TW

Inventors

Xin Zhang · Shanghai, CN
Wenbin Li · Tuji, CN
Dejian Li · Beijing, CN

Key dates

Filing date	Jan 27, 2009
Grant date	Jan 4, 2011
Priority date	—
Expiry date	Apr 11, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06F13/28
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

The present invention provides a USB host controller and control method thereof. The USB host controller comprises a first controller, a second controller and a first memory. The first controller controls first transfer between a host and a USB device. The second controller controls second transfer between the host and the USB device. The first memory is coupled to the first controller and the second controller and is configured to temporarily store data transferred between the host and the USB device. The first controller accesses the first memory during the first transfer, and the second controller accesses the first memory during the second transfer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.