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Re: Re: [usb] Latency for ACK/NAK/STALL



Hi rudi,
   The host could send ack in response to successful completion of 
IN transaction.

Senthil


On Wed, 12 Jun 2002 Rudolf Usselmann wrote :
>On Wednesday 12 June 2002 00:26, govindsrajan@hotmail.com 
>wrote:
> > Hi,
> >
> >   What is the latency of the device to send handshake pkt 
>after it
> >   received the command and data. Does the same latency hold 
>good
> >   for the host when it needs to send ACK ? Does this vary for 
>low/high/
> >   full speed ?
>
>I don't remember the numbers look at the spec.
>
>The host does never send N/ACK packets only the slave. The 
>delay
>does vary for the different speed packets. The delay is expressed 
>in
>bit clock intervals.
>
>rudi
>
> >   Thanks
> >   Govind
>
>
>
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