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Message
From: Rudolf Usselmann <rudi@a...>
Date: Thu, 11 Jan 2001 12:25:45 +0700
Subject: Re: [usb] USB 2.0 core Spec. First Draft
on 1/11/01 10:19, Peter Teng at peter_teng@e... wrote:
> Rudolf,
>
> I would like to make clear that "number of transaction per uframe" register
> is not needed for PID checking. The PID checking or generation are done
> differently (see 8.6 of USB 2.0 spec for more detail).
Peter, I have read section 8.6. Please take a look at section 5.9 through
5.9.2. There it talks about high speed, high bandwidth endpoints, and PID
toggling based on how many transactions per micro frame are used.
Thanks,
rudi
> I don't understand what you meant by "I dropped the S bit as it would
> introduce to much of a latency!"
>
> If you don't see my response within 24 business hours to your email, please
> email me using pteng@m..., pteng@y... or peter_teng@e..., or
> please call me direct. Sorry in advance for the trouble that may caused you.
>
> best regards,
> "Peter" Chu Tin Teng
> Computing technology I/O Group
> NEC Electronics Inc.
> Physical address
> 3301 Olcott St.,
> Santa Clara, CA 95054
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