Universal serial bus host controller and control methods...

Details Universal serial bus host controller and control methods... Universal serial bus host controller and control methods...

2011-01-04

2011-01-04

Auve, Glenn A (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S022000, C710S313000

Reexamination Certificate

active

07865653

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.

REFERENCES:
patent: 6957356 (2005-10-01), Leete
patent: 2007/0143519 (2007-06-01), Chang et al.
patent: 2008/0005445 (2008-01-01), Diefenbaugh et al.
patent: 2009/0313397 (2009-12-01), England et al.

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