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AM4378: DDR routing

albgarc2014
Genius 3480 points

Hi all, 

I am doing my design based on AM437X_INDUTRIAL_EVM

I am copying and pasting the tracks between the MPU and the RAM.
But I have the following question:
In the AM437X_INDUTRIAL_EVM it has two RAM memories; my custom project has a single RAM, so:

When I copy and paste the tracks should I just remove the excess of the tracks connecting to the 2 RAMs or should I retune the tracks?

I have no doubts with my electrical scheme, my doubt is routing the RAM.

Thanks very much

  • 0
    TI__Guru**** 393215 points

    Hi,

    albgarc2014 said:
    When I copy and paste the tracks should I just remove the excess of the tracks connecting to the 2 RAMs or should I retune the tracks?

    You might need to do both. Follow the guidelines in section 5.12.8.2.1 of the AM437x Datasheet Rev. E.