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TMS570LC543: CPU Clock Frequency

Swati Sharma
Prodigy 50 points

Hi,

How i can identify system clock frequency in TMS570LC543XX firmware?

  • 0
    TI__Guru 69891 points

    Hi Swati sharma,

    You can find out the CPU clock frequency directly by reading the macro "GCLK_FREQ", as you can see in above example it is 300 that means CPU clock frequency is 300Mhz.

    This is method is very simple and useful if you are not changing the CPU frequency in run time. If you are changing the frequency in runtime then you should, you should manually calculate all the frequency using all the dividers you configured.

    --
    Thanks & regards,
    Jagadish.