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CCS/LAUNCHXL-F28379D: minimum frequency for the F28379D launchpad ?

nick reiss
Intellectual 595 points

Part Number: LAUNCHXL-F28379D

Tool/software: Code Composer Studio

i running my F28379D launchpad at 2KHZ frequency by giving to the register  :TBPRD the value 50000.

I want to work at lower frequencies (like 100 Hz) but i'm unable to do that. whenever i give the register a value more than 50000 it doesn't work.

what is causing that ?

  • 0
    TI__Mastermind 24095 points
    Hi,

    TBPRD is a 16-bit register. So, you can write a value of up to 0xFFFF.
    In addition to the TBPRD, you can also divide the clock further to go to lower frequencies.
    Use CLKDIV, HSPCLKDIV fields in TBCTL register to further divide down the clock.