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Message
From: Rudolf Usselmann<rudi@a...>
Date: Sat Mar 6 04:06:07 CET 2004
Subject: [usb] Suspend mode and FPGA:s
On Sat, 2004-03-06 at 01:24, =?us-ascii?Q?Anders Karlstr=F6m?= wrote:
> Hi Rudolf!
>
> quote
> All that suspend means is that you must not draw any power
> from the USB bus. If you are self-powered, you can bake pizza
> on the side and be compliant.
> unquote
>
> What if you are bus-powered, and still want some pizza? :)
Then, .... you are out of luck !
> Is it possible to use any of your cores and be able to suspend/resume as specified? Or do I have to choose an integrated usb device controller instead?
The USB 1.1 IP does not support any of these features.
It's purpose was a small and simple solution.
However, USB 2.0 IP was designed to support it.
> Regards,
>
> Anders Karlstrm
Regards,
rudi
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