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Device-side controller, host-side controller, communication controller, USB system, and packet communications method
Device-side controller, host-side controller, communication controller, USB system, and packet communications method
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机译:设备侧控制器,主机侧控制器,通信控制器,USB系统和分组通信方法
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摘要
A host-side control section of a host-side controller, when having received a SOF packet transmitted from a host to a device, avoids transmission of the received SOF packet to a device side. A device-side control section of a device-side controller transmits a SOF packet to the device at a predetermined interval after connection between the host and the device has been established. This eliminates the need for SOF packet transmission between the controllers. Thus, a communication bandwidth between the controllers of low communication speeds can be used only for packets other than the SOF packet. This increases communication efficiency of these other packets.
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