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Thread: Channel turn on/off delay measurement

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

    Channel turn on/off delay measurement

    In the chapter of BDRV(27.3.7), I saw that TLE987x can measure the delay between intended external MOS activation and actual turn on .I don't know how to do it , and is there any demo code to implement it?

  2. #2
    Infineon Employee
    Infineon Employee
    Fiz is on a distinguished road
    Join Date
    Jun 2019
    Hi Liang Xiao,

    if you look into into the BDRV.CTRL2 register you will find all functionalities to work with this feature.
    You will need decide which time you want to measure (turn-on/off) by setting:
    Then you need to decide which MOSFET you want so supervise by setting
    If the BDRV.CTRL2->DLY_STS flag is set to you can read back the measured timing in BDRV.CTRL2->DLY_DIAG_TIM
    Then you will need to set BDRV.CTRL2->DLY_DIAG_SCLR to clear the Diag timer valid flag.
    Click image for larger version

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    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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