[ibis-macro] Re: Response to BIRD-190
- From: Walter Katz <wkatz@xxxxxxxxxx>
- To: <Arpad_Muranyi@xxxxxxxxxx>, <ibis-macro@xxxxxxxxxxxxx>
- Date: Mon, 19 Jun 2017 20:48:46 -0400 (EDT)
Arpad,
They are displayed to the user to tell the user what the tap coefficient (or
register values) so that he can program the buffers at boot time. It will
take me a couple of hours in the AM to identify in IBIS ATM meeting and
presentations that the intent of passing the IR of the channel to the Tx was
so that the Tx could optimize itself at the Rx pad. We had many discussions
in IBIS-ATM that optimizing the Tx at the Rx pad was not always the best
thing to do because it would often be better to use the Rx DFE to optimize
certain parts of the IR, which is why co-optimization is important to
balance the Tx and Rx optimization.
So yes, it was the original intent of Init models to optimize themselves.
Walter
Walter Katz
wkatz@xxxxxxxxxx <mailto:wkatz@xxxxxxxxxx>
Phone 303.449-2308
Mobile 303.335-6156
From: ibis-macro-bounce@xxxxxxxxxxxxx
[mailto:ibis-macro-bounce@xxxxxxxxxxxxx] On Behalf Of Muranyi, Arpad
Sent: Monday, June 19, 2017 8:18 PM
To: ibis-macro@xxxxxxxxxxxxx
Subject: [ibis-macro] Re: Response to BIRD-190
Aren’t those Model_Specific parameters? If so, no one else but
the model maker knows what they mean or can be used for…
Thanks,
Arpad
==================================================
From: Walter Katz [mailto:wkatz@xxxxxxxxxx]
Sent: Monday, June 19, 2017 7:01 PM
To: ibis-macro@xxxxxxxxxxxxx <mailto:ibis-macro@xxxxxxxxxxxxx> ; Muranyi,
Arpad <Arpad_Muranyi@xxxxxxxxxx <mailto:Arpad_Muranyi@xxxxxxxxxx> >
Subject: Re: [ibis-macro] Re: Response to BIRD-190
Why would an initial function return tap coeficients based on the input ir?
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- » [ibis-macro] Re: Response to BIRD-190- Walter Katz
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