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

To: [email protected]
Subject: Re: [usb] Latency for ACK/NAK/STALL
From: Rudolf Usselmann <[email protected]>
Date: Wed, 12 Jun 2002 09:37:52 +0700
In-Reply-To: <[email protected]>
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Organization: ASICS.ws
References: <[email protected]>
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On Wednesday 12 June 2002 00:26, [email protected] 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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References:
- [usb] Latency for ACK/NAK/STALL
  - From: [email protected]

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