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TMS320F280025C: HRPWM feature not working as expected

Part Number: TMS320F280025C
Other Parts Discussed in Thread: C2000WARE

Tool/software:

Hello,

Our team is trying to use HRPWM features but it doesn't seem to work as expected. We tried many different configurations of the time-base submodule and other necessary registers, but we haven't reached our goal. We captured some data that shows we can reach our desired frequency, but only if this is a static frequency. However, our data shows that dynamic changes in frequency are less accurate and less controllable. 

I'm not sure how else to request help on this. Is there someone available to discuss this feature and how to properly implement it for our application? Maybe someone that can provide more support over a phone call or meeting? I understand that this post is lacking enough detail, please advise.

Thank You,

Raul Pasols

  • Hi Raul,

    What feature are you trying to use from the HRPWM?

    We have a FAQ that goes over it, we also have software examples that show cases how to use HRPWM for duty or period control.

    C:\ti\c2000\C2000Ware_5_02_00_00\driverlib\f28002x\examples\c28x\hrpwm\

    Best,

    Ryan Ma