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Wake up , Hibernation

Abhay Kothari
Intellectual 585 points

Hi,

I am using a Tiva TM4C123GH6PZI processor with CAN and I2C buses in slave mode ,I need to put the processor in hibernation mode , is there any way in which i can wake the micro it if the master device starts communicating with it ??

Regards

Abhay 

  • 0
    TI__Intellectual 2400 points

    Abhay,

    Unfortunately, it is not possible to "wake-on-activity" from hibernate mode as the peripherals are powered down.  The hibernate state is controlled by directly connecting the WAKEn signal from the Tiva MCU to the master.  A hibernate "RTC wake event" can also be configured to have the MCU wake-up poll for activity and then go back into hibernate as defined by the user.

    It is possible to do what you asking from the sleep and deep-sleep power modes, where the peripherals remain powered and can be clocked.

    Regards,
    Chris