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US 9,804,858 B2Granted
System for re-enumeration of USB 3.0 compatible peripheral devices
AssigneeCypress Semiconductor Corporation
InventorsPradeep Kumar Bajpai, Robert G. Rundell
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Abstract
Described herein is a system comprising a peripheral device that is connected to a host device over a bus compatible with USB 3.0. The host device comprises a reduced functionality USB host controller configured to perform a set of one or more preprogrammed functions from the USB 3.0 specification, and a universal asynchronous receiver and transmitter (UART) configured to sample USB response data received from the peripheral device over the bus.
Claims5
A system comprising:
- a peripheral device;
- and
- a host device connected to the peripheral device over a bus compatible with a Universal Serial Bus (USB) 3.0 specification, wherein the host device comprises:
- a reduced functionality USB host controller configured to perform a set of one or more preprogrammed functions from the USB 3.0 specification;
- and
- a universal asynchronous receiver and transmitter (UART) configured to sample USB response data received from the peripheral device over the bus, wherein, when in an active (U0) state, the peripheral device is configured to enter into an SS.Inactive state and to induce the host device to perform re-enumeration.
3 more elements
Dependencies are inferred from the claim text.