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USB hub supporting unequal numbers of high-speed and super-speed ports
USB hub supporting unequal numbers of high-speed and super-speed ports
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机译:USB集线器支持不等数量的高速和超高速端口
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摘要
A super-speed USB3.0 hub is described to which, after configuration, there are more high-speed devices than super-speed devices connected. The difference in the numbers is recognized and logic is provided that responds to an upstream host that there is an equal or balanced number of super-speed and high-speed ports active. This is accomplished by providing a number of “dummy” ports that make up any actual difference. The “dummy” ports are never active and are never connected to any device.
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