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TMS570LS0432: Need of modulation parameters with no modulation active

_MM_
Expert 1995 points
Part Number: TMS570LS0432
Other Parts Discussed in Thread: HALCOGEN

Hello,

The code generated by Halcogen sets the modulation parameters even if the modulation is deactivated upstream, by setting the value of the parameters of PLLCTL2 register. I wonder about such a need, when the modulation is not active, especially for the parameter called MULMOD; according with the Technical Reference Manual the multiplier correction makes not effect when the modulation is off.

Thanks ahead.

  • 0
    TI__Mastermind 49120 points
    Marco,

    The default HALCOGen configuration sets up these frequency modulation related parameters even if modulation is not enabled. The PLLCTL2 register programmation just reflects this. This does not affect the PLL operation or output frequency.

    Regards,
    Sunil