Hi Ragnar,
Below is the summary of all A-PHY Gears with the “Max Net Application Data Rates” as published in the whitepaper.
Your understanding of the A-PHY data rates for G4 and G5 is correct.
Conrad’s presentation mentions only the net data rate of ASA Motion Link and that A-PHY has “similar payload data rates”.
Ariel
From: Ragnar Jonsson <rjonsson@xxxxxxxxxxx>
Sent: Tuesday, January 9, 2024 7:33 PM
To: Ariel Lasry <alasry@xxxxxxxxxxxxxxxx>; STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: RE: [802.3_ISAAC] Comment on presentation today
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Hi Ariel,
Thank you for clarifying this. Your description matches my previous understanding.
Can you please also help clarify the net data rates for A-PHY G4 and G5. I was under the impression that the net data rates for these two gears are 10.8Gbps and 14.4Gbps, respectively. Conrad’s presentation listed these as 9.7Gbps and 13Gbps,
so I want to make sure I understand the data rates correctly.
Ragnar
From: Ariel Lasry <00002b0585801bb1-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, January 9, 2024 10:14 AM
To: STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: [EXT] Re: [802.3_ISAAC] Comment on presentation today
External Email
Hi Mehmet,
You are correct. The A-PHY v2.0 is not publicly available.
This is the same as for all the other SerDes mentioned in the presentation of Conrad.
The point of Ragnar’s question was about the trend in support for higher data rates for example with A-PHY 32Gbps.
To this Conrad replied that 32Gbps was realized with 2 Lanes with A-PHY.
Which is correct for A-PHY v1.1 with STQ cable.
To that I have just added the comment that from A-PHY v2.0, 32Gbps is supported over a single Lane over Coax or STP cable.
That is all.
Thanks
Ariel
From: Mehmet Tazebay <00002b0d1a6e9d74-dmarc-request@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, January 9, 2024 6:56 PM
To: STDS-802-3-ISAAC@xxxxxxxxxxxxxxxxx
Subject: Re: [802.3_ISAAC] Comment on presentation today
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Hi Ariel,
Thank you for the information. However, I think the white paper is not a sufficient condition as it only defines the features of the technology but not the technical details. I believe that the standard and technical details of APHY 2.0
are not publicly available, correct? If so, how can we review and discuss the technical feasibility of 32Gbps as it is claimed in the white paper?
Thanks,
Mehmet
On Jan 9, 2024, at 7:09 AM, Ariel Lasry <00002b0585801bb1-dmarc-request@xxxxxxxxxxxxxxxxx> wrote:
Hi all,
comments on Conrad’s presentation today on the 32Gbps A-PHY, since there was a question on that topic.
In A-PHY v2.0 it is on a single Coax or STP.
Reference: MIPI White Paper: Introduction to MASS
Thanks
Ariel
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