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RZT1&EtherCAT&CMT

chen

hello

    I use R7S910035 for EtherCAT,I use Ethercat to communicate with the main station，I use CMT as a timer for SPI communication with other circuit boards.

What I want is that EhterCAT has the highest interrupt priority, and the main station can interrupt CMT if there is a signal coming.

But now that I turn on the CMT timer, EtherCAT cannot communicate because the PDI interrupt of EtherCAT cannot interrupt CMT and cannot communicate normally

                                                                                                                                                                                                                            Thank you

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    Hi chen,

    According to the explanation in "12. Interrupt Controller (ICUA)" in "RZ/T1 Group User's Manual: Hardware", if you set the interrupt priorities of EtherCAT and CMT (and other peripherals used by your software) appropriately and allow multiple interrupts and manage them correctly, you should be able to do what you want.

    Have you designed your software that way?

    For more information, please read the explanation in "12.4.4 Operation".
    Good luck.

    BR