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TMS320F28379D: C2000 microcontrollers forum

Part Number: TMS320F28379D

I've been working with ePwm module using matlab encoder block. I configure ePwmB as an invertered version of ePwmA and check both signals, after reset, the ePwmA and ePwmB start with the output low for 1.8us before get back to normal (complement).  Do you have any reccomendation for setting the signals complement or logic high (both A and B) since the start of program? 

I use external pullup resistance at thsese pin, and set the software force input for ePwm but it dose not work at the start. The output signals still low.