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TMS320F28335 ePWM Sync

Mark Ackerson
Genius 10190 points
Other Parts Discussed in Thread: TMS320F28335

Can the TMS320F28335 EPWM sync feature be used to synchronize timing on multiple F28335 devices or only modules on a single device?  Please advise.

Thanks,

Mark

  • 0
    TI__Guru 57255 points

    Mark,

    In short:  either and/or both.

    Take a look at Figure 9 in the current version of the F2833x/F2823x ePWM User's Guide (SPRUG04a)
    http://www.ti.com/lit/sprug04

    As you'll see there, PWMs can be synched by external pulses (via EPWMSYNCI in the GPIO mux), a F2833x can output PWM1's synch pulse (via EPWMSYNCO in the GPIO mux), and/or you can synch one ePWM module to another ePWM module.

    Hopefully this helps.


    Thank you,
    Brett