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Christian Légaré
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Re: Nov 26 - Day 1: Implementing USB in Embedded Products
Christian Légaré   11/26/2012 2:55:13 PM
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Is there a maximum number of devices per hub?

The limit on a bus is 127 devices because of the addres field (7 bits).

If you have a hub with enough hardware and mechanical resources to have 126 ports (1 address will be used by the Hub to identify itself to the Host), then it is possible.



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