Re: [ethmac] a question about ifg_timer.v

["YU ZHOU" <boat313@263.net>]

It isn't  in ethernet(1).tar.gz. It is one of the 11 sub-modules in "Module of Tx Eth MAC".
----- Original Message ----- 
From: "Zhang, Chun Lin (Arnold)" <zhangcl@agere.com>
To: <ethmac@opencores.org>
Sent: Thursday, January 17, 2002 5:35 PM
Subject: RE: [ethmac] a question about ifg_timer.v 


> What is the file name you downloaded? I can't find this file from
> ethernet(1).tar.gz.
> 
> Regards
> 
> -Chun Lin
> 
> > ----------
> > From: YU ZHOU[SMTP:boat313@263.net]
> > Reply To: ethmac@opencores.org
> > Sent: 2002Äê1ÔÂ17ÈÕ 16:39
> > To: ethmac@opencores.org
> > Subject: [ethmac] a question about  ifg_timer.v 
> > 
> > Hi,
> >    I am trying to implement the Ethernet MAC (from Opencores) on the FPGA.
> > I have a question about the ifg_timer.v that  has been  described in
> > transmit module.
> >   In the brief description,it is said that the IFG has two intervals time,
> > IFG_1 for the first 60 bit times and IFG_2 for the following 36 bit times
> > of IFG. But in the program I find:
> >  
> > `define IFG_LENGTH_2 (5'd22)
> >  
> > I'm not sure if the length is "5'd22". Why it is "22"?
> > I think it ought to be "5'd24".
> > Perhaps I'm wrong,but I want to know the reason.
> > Would you tell me about it?
> > Thanks. 
> >  
> > Regards,
> > YuZhou
> > 
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