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TMS320F28335: Time-Base Counter Synchronization of 28335 PWM modules

Green Deng
Expert 4490 points
Part Number: TMS320F28335

Dear team:

Is the EPWM4SYNCI connected to EPWM1SYNCO or EPWM3SYNCO?

In  Figure 3-7 (page 232 of TMS320x2833x Technical Reference Manual ), it seems that EPWM4SYNCI is connected to EPWM1SYNCO.

But in Figure 3-53 (page 285 of TMS320x2833xTechnical Reference Manual ), it seems that EPWM4SYNCI is connected to EPWM3SYNCO.

These two explanations are very confusing. Is there any specific explanation about EPWMxSYNCI and EPWMxSYNCO?

Best regards

  • 0
    TI__Mastermind 42195 points

    Green,

    Figure 3-7 is correct. Sometimes the smaller details get overlooked when creating the systems examples(like figure 3-53). The point of Figure 3-53 was to show that all PWMs are synchronized. ePWM4's SyncI should have came from ePWM1 SyncO.

    Regards,
    Cody