CCS/TMS320F2806: CCS/TMS320F2806: Controlling PWM Chopper In TMS320F2806.

Hello,

I am trying to Control the Pulse Width Modulation Chopper . I have Somehow Controled Chopper Pwm Duty Cycle(i,e:-8.1 us) and Probelm in Controlling the Chopper Pwm Time Period,But period always Comes (12 us),but my Requirement is (41us) .and my main Pwm(Time period is 108ms and Duty Cycle is 22ms),and i am getting the main Pwm O/P.but probelm in Chopper Pwm ,not getting the required Chopper Pwm Period,

Is there any method  to Control the Chopper Pwm Period? Please help. 

Regards,