USB control circuit with automatic route-switching function
First Claim
1. A USB control circuit with an automatic route-switching function, comprising:
- a plurality of USB pads, connecting a plurality of USB devices;
a plurality of USB transceivers, each connected to one corresponding USB pad;
at least one USB host/hub controller, each connected to at least one corresponding USB transceivers, so as to control and drive said USB devices connected to said corresponding USB pads by said corresponding USB transceivers;
a plurality of port routing controllers, each connected to one corresponding USB transceiver;
at least one enhanced USB transceiver, each connected to each of said USB pads and each of said port routing controllers;
an enhanced USB host/hub controller, connected to each of said enhanced USB transceivers, so as to control and drive at least one enhanced USB device connected to said corresponding USB pads by using said corresponding enhanced USB transceivers; and
an enhanced device routing controller, connected to each of said port routing controllers, so as to automatically switch USB pads that connect enhanced USB devices to said enhanced USB transceivers to be controlled by said enhanced USB host/hub controller.
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Abstract
The present invention discloses a universal serial bus (USB) control circuit, and more particularly, a USB control circuit with an automatic route-switching function. The USB control circuit comprises: a plurality of USB pads, connecting a plurality of USB devices; a plurality of USB transceivers, each connected to a corresponding USB pad; at least one USB controller, each connected to at least one corresponding USB transceivers, so as to control and drive the USB devices connected to the corresponding USB pads by using the corresponding USB transceivers; a plurality of port routing controllers, each connected to a corresponding USB transceiver; at least one enhanced USB transceivers, each connected to each of the USB pads and each of the port routing controllers; an enhanced USB controller, connected to each of the enhanced USB transceivers, so as to control and drive the enhanced USB devices connected to the corresponding USB pads by using the corresponding enhanced USB transceivers; and an enhanced device routing controller, connected to each of the port routing controllers, so as to automatically switch a USB pad that connects enhanced USB devices to the enhanced USB transceivers to be controlled by the enhanced USB controller.
35 Citations
15 Claims
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1. A USB control circuit with an automatic route-switching function, comprising:
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a plurality of USB pads, connecting a plurality of USB devices;
a plurality of USB transceivers, each connected to one corresponding USB pad;
at least one USB host/hub controller, each connected to at least one corresponding USB transceivers, so as to control and drive said USB devices connected to said corresponding USB pads by said corresponding USB transceivers;
a plurality of port routing controllers, each connected to one corresponding USB transceiver;
at least one enhanced USB transceiver, each connected to each of said USB pads and each of said port routing controllers;
an enhanced USB host/hub controller, connected to each of said enhanced USB transceivers, so as to control and drive at least one enhanced USB device connected to said corresponding USB pads by using said corresponding enhanced USB transceivers; and
an enhanced device routing controller, connected to each of said port routing controllers, so as to automatically switch USB pads that connect enhanced USB devices to said enhanced USB transceivers to be controlled by said enhanced USB host/hub controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A USB control circuit with an automatic route-switching function, comprising:
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a plurality of USB pads, connecting a plurality of USB devices;
a plurality of switching devices, each connected to one corresponding USB pad;
a plurality of USB transceivers, each connected to one corresponding USB pad;
at least one USB host/hub controller, each connected to at least one corresponding USB transceivers, so as to control and drive said USB devices connected to said corresponding USB pads by using said corresponding USB transceivers;
at least one enhanced USB transceiver, each connected to each of said switching devices;
an enhanced USB host/hub controller, connected to each of said enhanced USB transceivers, so as to control and drive at least one enhanced USB device connected to said corresponding USB pads by using said corresponding enhanced USB transceivers; and
an integrated routing controller, connected to each of said USB transceivers and each of said enhanced USB transceivers, so as to automatically switch USB pads that connect enhanced USB devices to said enhanced USB transceivers to be controlled by said enhanced USB host/hub controller. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A USB control circuit with an automatic route-switching function, comprising:
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a plurality of USB pads, connecting a plurality of USB devices;
a plurality of USB transceivers, each connected to one corresponding USB pad;
at least one USB host/hub controller, each connected to at least one corresponding USB transceivers, so as to control and drive said USB devices connected to said corresponding USB pads by using said corresponding USB transceivers;
at least one enhanced USB transceiver, each connected to each of said USB pads via each of said corresponding switching devices; and
an enhanced USB host/hub controller, connected to each of said enhanced USB transceivers, so as to control and drive at least one enhanced USB device connected to said corresponding USB pads by using said corresponding enhanced USB transceivers.
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Specification