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TMS320F280039C: Pins for tripping the PWM

Part Number: TMS320F280039C
Other Parts Discussed in Thread: TMS320F28031, TMS320F2810

Please advise which pins should I use for tripping the PWMs in TMS320F280039C.

For example in TMS320F28031 we have Tripzone pins for this purpose.

In TMS320F2810 we have PDPINT pins for this purpose.

  • You can use any GPIO. You take that GPIO through the INPUT XBAR followed by the EPWM XBAR. Within the EPWM XBAR, you configure as one of the TRIP4+ INPUTs. That trip input can be used to Trip the EPWM.

    You also have the options to use one specific INPUTXBAR 1,2,3,6 to skip the EPWMXBAR.