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APPARATUSES FOR PERIODIC UNIVERSAL SERIAL BUS (USB) TRANSACTION SCHEDULING AT FRACTIONAL BUS INTERVALS
APPARATUSES FOR PERIODIC UNIVERSAL SERIAL BUS (USB) TRANSACTION SCHEDULING AT FRACTIONAL BUS INTERVALS
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机译:以分数总线间隔为周期的通用串行总线(USB)事务调度的设备
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摘要
Apparatuses relating to periodic Universal Serial Bus (USB) transaction scheduling at fractional bus intervals are described. In one embodiment, an apparatus includes a receptacle to receive a plug of a first device and a second device; a transceiver circuit coupled to the receptacle; and a controller circuit to: switch between a first mode for a first class of data transfers and a second mode for a second class of data transfers, wherein the first class preempts the second class of data transfers, schedule a data transfer with the transceiver circuit for a first endpoint of the first device at a first service interval of a bus interval when in the first mode, and schedule a data transfer with the transceiver circuit for a second, different endpoint of the second device at a second service interval that is smaller than the first service interval when in the first mode.
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