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DSC eFlexPWM Edge Aligned Signed Question

Question asked by Kris Ke on Sep 17, 2019
Latest reply on Sep 25, 2019 by Kris Ke

Dear Sir, 

 

I use MC56F82748 of eFlexPWM.

The parameters of the VAL 4,5 for the eFlexPWM model are somewhat different from my knowledge.

I will ask you about it.

 

Below is my setting, 

 

And SM1INIT and SM2INIT value same as 0.

 

 

 

The following waveforms SM1, VAL2=20, VAL3=803, VAL4=863, VAL5=1635

PWMA works normally. but PWMB VAL4 is high with VAL2 at the same time, and when count to 863 then PWM did not change to low.

 

SM2's VAL1 is filled with 0x681, VAL4 is filled with 0x600, and VAL5 is filled with 0x610.

SM2 PWMB issue is same as SM1.

 

 

 

Thanks, 

BR

Kris

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