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Thread: QSPI frequency

  1. #1
    Beginner Beginner deepakseshan1 is on a distinguished road
    Join Date
    Sep 2019

    QSPI frequency

    hello Developers,
    What is the desired frequency for running Qspi in 5MHz Baudrate.

    frequency fbaud2 ---- ?
    frequency SPB fSPB ----?

    Kindly shed some light.

    Kind Regards,

  2. #2
    Advanced Advanced cwunder is on a distinguished road
    Join Date
    Feb 2015
    fBAUD2 can be faster, slower, or equal to fSPB
    fsource can be either the fPLL or the Backup Clock
    fBAUD2 = fsource / CCUCON0.BAUD2DIV

    Using the TC27x, typically fPLL = 200MHz is the fsource and setting CCUCON0.BAUD2DIV=1 then fBAUD2 = 200MHz; fSPB = 100MHz

    For a 5MHz SCLK frequency you can choose: TQ=0, Q=4, A=3, B=1, C=3

  3. #3
    Intermediate Intermediate
    Infineon Employee
    Infineon Employee
    teoBits is on a distinguished road
    Join Date
    Nov 2019
    Hello deepakseshan1,

    In addition, you can find a code example project that shows how to configure and use the QSPI module here: QSPI training code example.
    this example also comes with a tutorial, which can be found here: QSPI tutorial.

    If you are interested in other modules and you want to start programming for AURIX™, you can get the new Integrated Development Environment (IDE) here: AURIX™ Development Studio and get inspired by numerous trainings from here:AURIX™ Trainings.

    If you are not familiar with Eclipse based IDE’s checkout the Getting Started guide!

    Hope it helps,
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.


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