USB controller with intelligent transmission mode switching...

Details USB controller with intelligent transmission mode switching... USB controller with intelligent transmission mode switching...

2007-02-27

2007-02-27

Dang, Khanh (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C710S105000, C710S316000

Reexamination Certificate

active

11028209

ABSTRACT:
There is provided a USB controller with an intelligent transmission mode switching function and the operating method thereof. The USB controller includes a host controller, a device controller, a data line set, and a monitor unit, wherein the data line set includes a D+ data line and a D− data line which are manipulated by the monitor unit to selectively couple to the host controller and a device controller. By way of the switching manipulation provided by the monitor unit, the transmission mode of the USB controller can be periodically switched between the host mode and the device mode, so that the transmission mode of the USB controller can be detected and settled readily in order to conduct data communication with other devices.

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