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AFE7950EVM: Latte tool configuration from GUI

Paolo Artieri
Prodigy 50 points
Part Number: AFE7950EVM

Tool/software:

Good Morning

I have the AFE7950EVM-revA board connected to the TSW14J57-revE board.
I tried to configure the AFE by GUI from Latte tool with the following parameters:

In the Interface Rate menu it allow to you to select two different rate, 819.2MHz and 983.04MHz:

The first one, 819.2MHz, its ok and I can configure without errors.
If I select the second one, 983.04MHz, the tool give me errors and cant configure nothings with this rate.


Why Can I select the second one and nothing can be configure with this rate?
What is the reason?

  • 0
    TI__Genius 17781 points

    Hi Paolo,

    The use of the Latte GUI interface is only supported for the TSW14J58EVM, which is the newest capture card. 

    When using the TSW14J56/57, which are now obsolete, you can instead operate Latte in script mode and follow the TSW14J56/57 user's guide, which are available in the secure site in the Guides_and_SW>AFE79xx_Bringup_Guides folder.

    Regards,

    David Chaparro 

  • 0 in reply to David Chaparro
    Prodigy 50 points

    Hi David

    I follow the guide and Im able to see D2 and D4 leds blink.
    Now my goal is the followings:

    - FNCO 5.5GHz
    - FREF 245.76MHz, with FADC 10 times and FDAC 40 times.
     - BW about 245.76MHz

    May I use the GUI to generate excel file and then use it to create configuration script?

    I ask this because starting from an existing file of bringup modify it based on excel, but I cant see any sync between the two EVM board.

  • +1 in reply to Paolo Artieri
    TI__Genius 17781 points

    Hi Paolo,

    I would recommend using one of the default scripts, S1-S7, as a starting point for your design as they are guaranteed to work with the TSW14J57 by default. 

    Regards,

    David Chaparro