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Author Topic: Link training?  (Read 12485 times)

lt

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Link training?
« on: July 28, 2011, 04:24:14 am »
I really want to know how the link training acts...After attchment,which state is the port in?What should the host and device do first?

please assist me...

thanks!
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Jan Axelson

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Re: Link training?
« Reply #1 on: July 28, 2011, 10:18:10 am »
Start with section 7.5 in the USB 3.0 spec, which includes a state diagram for link training.

Jan
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lt

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Re: Link training?
« Reply #2 on: July 28, 2011, 08:21:21 pm »
Thanks a lot!

But i want to know what should the software and hardware do?For example,is the LFPS tranferred by hardware ?and TSEQ?


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Jan Axelson

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Re: Link training?
« Reply #3 on: July 28, 2011, 09:18:54 pm »
The PHY and XHCI specs here might also be helpful:

http://www.intel.com/technology/usb/spec.htm

Jan
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lt

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Re: Link training?
« Reply #4 on: July 29, 2011, 04:29:13 am »
Thanks!

I think i need learn more about hardware...
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