Re: [ethmac] mdio preamble suppression

["gnd_zro@yahoo.com" <Ravi.Nimmagadda@iza.mr2.si>]

Gautam,
Why not make this feature programable. That way the core that you are developing can be used for both the drafts.
Regards
Ravi Nimmagadda


----- Original Message ----- 
From: gautam dot naik at gdatech dot co dot in 
To: ethmac at opencores dot org 
Date: Wed, 5 Sep 2001 15:42:59 +0530 
Subject: [ethmac] mdio preamble suppression 

> hi 
> In 802.3-2000, it is mentioned that 
> "If the STA determines that every PHY that is connected 
> to the MDIO signal is able to accept management 
> frames that are not preceded by the preamble pattern, 
> then the STA may suppress the generation of the preamble 
> pattern, and may initiate management frames with the ST 
> (Start of Frame) pattern." 
> 
> but in new draft 802.3ae it is not mentioned. 
> can i use preamble suppression for 10GB? 
> thanks and regards 
> gautam 
> 
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