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| Characteristics
of USB |
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| (1.1
specification) |
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| • | Up to 127 devices on one Bus |
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| • | Hierarchical structure with hubs |
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| • | Up to 12Mbps bandwidth (greater in 2.0) |
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| • | All connections are hot-plug able |
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| • | All communication is between host and |
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| device. No
device-device communication. |
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| • | Devices can belong to generic type |
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| classes, with
generic device drivers. |
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