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  1. #1
    Advanced Advanced Lukas_G is on a distinguished road
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    AURIX ESR wake-up pin problem

    hi,
    I've got problem with ESR interruption in standby/run mode.

    I'm recently configuring standby mode on aurix Tc222.
    Data sheet says that ESR1 pin can generate interruption to wake-up microcontroller and can as well work as general input output.
    I want to use this as wake-up trigger as well as general I/O that generates interruptions in run mode.

    datasheet says also that ESR pins are handled by ERU module (Chapter 8.4.1.2) .
    The problem is that, ERU module, neither Scu module, hasn't got any references, except few bit fields in register headers files(iLLD), to this pin .
    I can only configure Scu module that concern few ESR registers in wake-up/standby mode.
    Datasheet says very few about software configuration in standby and nothing about using it in run mode.

    Where can I find information, how to configure it ?
    Last edited by Lukas_G; Jun 18th, 2019 at 05:22 AM.

  2. #2
    Advanced Advanced UC_wrangler is on a distinguished road
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    Hi Lukas_G. There's a demo for the ERU in the latest iLLD - see ScuEruDemo, \0_Src\AppSw\Tricore\Demo_Illd\ScuEruDemo.c.

    To use ESR1 as a wakeup, try setting ESR1 as a wakeup (PMSWCR0.ESR1WKEN=1), and then switch to Standby Mode (PMCSR0.REQSLP=1).

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