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TMS320F280039C: Continuous write to CMPSS DAC register

Hang Yang
Expert 3716 points

Part Number: TMS320F280039C

Hi Experts,

The DAC in the CMPSS is used for threshold settings. Is there any limiation on the frequency of write operation to the DAC? Can user write the register continuously in each control cycle?

Regards,

Hang

  • 0
    TI__Intellectual 2260 points

    Hi Hang,
    Yes, continuous writes to the CMPSS DAC register are safe and fully supported. The CMPSS DAC uses a shadow register architecture specifically designed for this purpose, you write to the shadow register as frequently as needed, and the hardware handles glitch-free transfers to the active output register.
    Thanks 
    Praneeth