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Original question:

PGA970: SYST_Handler

PGA970: Enabling SystTick interrupt

Paul Rohleder
Prodigy 181 points
Part Number: PGA970


Hi,

I was writing with the ARM support about built in registers which would help me enabling the SysTick handler but they seen to be named different. Im looking for the ISCR register which is refferenced to in the m0 user guide: https://developer.arm.com/documentation/dui0497/a/cortex-m0-peripherals/system-control-block?lang=en
Although there is an adress mentioned for this register this adress is linked to NVIC_INT_CTRL which is acoording to ARM support not what I am looking for.
Where do I find the ISCR register?
Regards,
Paul

  • +1
    TI__Mastermind 31655 points

    Hi Paul,

    I do believe the NVIC_INT_CTRL and the ICSR register are the same, but it is just named differently in the code example.

    It looks like that is not listed in the M0 specific registers in the datasheet, but here are the others, which should match in the example:

    Regards,

    Scott