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CCS/TMS320F28377S: ePWM

user5117385
Intellectual 505 points
Part Number: TMS320F28377S

Tool/software: Code Composer Studio

For F28377S, is the value of EPwmxRegs.CMPA.bit.CMPA not allowed to be greater than or equal to the value of EPwmxRegs.TBPRD when EPwmxRges.AQCTLA.all=0x61? If the pulse width is smaller than the dead zone width of DB, the output pulse width of the DB sub module will be 0, or EPWMA and EPWMB on pin will not switch?

  • 0
    TI__Guru 60865 points
    Hi '7385,

    Certainly if you are using CMPA to cause some event and CMPA > TBPRD then the event will never occur, regardless of the count-mode of the ePWM. This is because the count will always be in the range of [0, TBPRD].

    I'm not really sure I follow your question with respect to the deadband. Can you elaborate a little bit?