DFI - ddr-phy.org

Forum Discussions (216)

Discussions Replies Latest Activity

dfi_wrdata_en Signal Usage

In DFI v5.1: ---------------- 1) I believe the dfi_wrdata_en signal is implemented by DFI for the PHY to know the amount of data to be tra…

Started by Ahmed Omar Zoher

0 Jun 30


Is there any plan to support DFI-HBM??

Started by Naveenkumar

2 May 8
Reply by Sambaran Mitra

DFI PHY CLK source

Since the MC operates under a clock named DFI clock, while the PHY and the DDR operate with DFI PHY clock which is supposed to be a multipl…

Started by Ahmed Omar Zoher

1 Apr 29
Reply by John MacLaren

DFI 3.1 low power interface

Hi John, In DFI 3.1, page 136 mentions about dfi_lp_req  - which I consider is NOT present and should be substituted by dfi_lp_ctrl_req an…

Started by Gyan Prakash

4 Apr 28
Reply by Swapnil Saraf

BIST implementation for DRAM (lpddr5)

HI , Can anyone suggest few inputs for bist implementation on DRAM (lpddr5)? Thanks Mayur


0 Dec 14, 2020

command truth table in DFI

Do we have any command truth table in  DFI interface, bocz in the dfi spec it was mentioned that, a signal DFI command ,but there is no val…

Started by Ravi

1 Dec 11, 2020
Reply by John MacLaren


Please note that there is a spammer (or more likely phisher) active - Yann Lamb. His activity is quite telling: http://www.ddr-phy.org/prof

Started by Dmitri Varsanofiev

1 Oct 22, 2020
Reply by John MacLaren

Command Mapping in case of LPDDR5

Hi In case of LPDDR5, how does the command mapping happens if we are working on 1:4 mode? In my waveform, the complete command (MRR) along…

Started by Shikha Singh

0 Aug 7, 2020

Any update to DFI 5.0 for LPDDR5 Link ECC support?

Are there any updates to DFI 5.0 spec specifically related to LPDDR5 Link ECC support? Is there any ongoing discussions? If so, when is the…

Started by Deepti Sriramagiri

2 Jun 25, 2020
Reply by Deepti Sriramagiri

Is there a comparison between dfi5.0 and previous generations anywhere?

Can I find a discussion on the differences between 4.0 and 5.0 anywhere?

Started by Martin Kiernicki

0 Jun 12, 2020


© 2021   Created by James Pangburn.   Powered by

Badges  |  Report an Issue  |  Privacy Policy  |  Terms of Service