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TMS320F280049C: high resolution PWM after CLB

Howard Zou
Genius 12365 points
Part Number: TMS320F280049C


Hi,

if we use CLB to do some modification on the HRPWM signal, then we will only get non-HR PWM, right?

Or the CLB can totally not get interaction with HRPWM, but only normal PWM?

  • 0
    TI__Guru 52040 points

    If you pass in the HRPWM signals to the CLB, you will LOSE THE HR portion. 

    If you use the CLB before the High resolution submodule, you can add in the HR portion after.

    By that I mean use the EPWM_AQ as the input to the CLB, then override the EPWM_AQ as the output, inserting the CLB in the EPWM module. Then the HR module can still be used after.

    But in general CLB and HR are not going to work together. Any HR signals going into the CLB will lose HR portion.

    Nima