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  1. #1
    Beginner Beginner JuanMelo is on a distinguished road
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    Family Tri-Core aurix TC29

    I would like to understand the meaning of WDTSLCK that can be configured in PIN 20.9)

    Thanks in advance for your answer.

    JM

  2. #2
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    Fiz is on a distinguished road
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    Hello JM,

    I will move your thread to the aurix forum.

    Best,
    Fiz
    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.

  3. #3
    Advanced Advanced cwunder is on a distinguished road
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    You can read about this in the user's manual, have a look at the SAFECON.HBT (Safety Heartbeat Register). The WDTSLCK is related to to the Safety Watchdog.

    This bit can be used by software to provide a “heartbeat” indication to an external safety monitoring device. It directly controls the output on the heartbeat ports. WDTxLCK P20.9, P20.8, P20.7 and/or P20.6 (Subject to port configuration).
    0B Port drives low (reset value)
    1B Port drives high
    Writes are only possible when Safety ENDINIT=0

  4. #4
    Beginner Beginner JuanMelo is on a distinguished road
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    Thank you so much for your answer. Currently, I'm working on the TC3xxx family, specifically TC39. I tried to looking for this functionality on this kind of board, however I haven't. Do you know if this functionality can be configured in this board?

  5. #5
    Beginner Beginner
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    Scott Winder is on a distinguished road
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    The WDT heartbeat function is no longer available in the TC3xx family. You'll need to toggle a GPIO pin to reproduce the functionality.
    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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