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SysTick operation with PLL TM4C129

Bharath Raj
Intellectual 265 points

How can i get delay of 1sec through system timer(SysTick) and i will be using system clock of 60 MHz( generated using PLL).  

  • 0
    TI__Guru**** 244440 points
    Hello Bharath

    Use a systick timer load value of 100ms. In the Systick interrupt handler, count it 10 times to get 1 second. This is because the Systick does not load anything above 24 bits and the using a load value corresponding to 60Mhz for 1 second would cause an incorrect value to be loaded.

    Regards
    Amit