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TMS570LC4357: Using two HET output lines as a differential signal.

Inna Fedo
Prodigy 20 points
Part Number: TMS570LC4357

Tool/software:

Hi,

Can two HET output lines on the mentioned platform be manipulated as lock output but in fact be used for the sake of providing a differential signal? The concern is if they can change so "simultaneously" that it will serve smoothly as a differential signal.

Thank you,

Jenny

  • 0
    TI__Guru 69891 points

    Hi Jenny,

    I don't think in HET hardware it is possible; we might need to implement this differential feature manually using HET IDE code. I don't have any previous code to share for this requirement.

    There is hardware feature available in ETPWM module:

    Here we can choose high polarity on ETPWMxA and low polarity on ETPWMxB like as shown below.

    So, here we can generate differential PWM signals using hardware itself.

    --
    Thanks & regards,
    Jagadish.