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Thread: Shadow Transfer

  1. #1
    Beginner Beginner Optronicer is on a distinguished road
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    Shadow Transfer

    Hello everyone,

    I found a commend in a given program called:
    XMC_HRPWM_EnableHighResolutionShadowTransfer(HRPWM _0.hrc_module_ptr, HRPWM_0.hr_dt_transfer_msk);
    This was found in a digital power supplie control program.
    My question is what is this so called shadow transfer and why do I need it here?
    Thank you for your help

  2. #2
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    Vasanth is on a distinguished road
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    Hi,

    Shadow registers are normally used to store register values and update it at the end of a PWM period .In case of HRPWM each HRCy(High Resolution Channel) unit has a shadow transfer mechanism
    that can be used to update the high resolution compare values, HRCyCR1 and HRCyCR2, the dead time values, HRCyDCR and HRCyDCF, and the field that dictates which source selector is connected
    to the high resolution path, HRCySC, on-the-fly.

    Kindly check 20.2.3.4 Shadow Transfer Control section in the Technical Reference Manual

    Best Regards,
    Vasanth
    Last edited by Vasanth; Yesterday at 09:51 PM.
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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