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Config GPIO as PWM in 28335

Kuldeep Kumar Mynampati
Intellectual 320 points

Hi,

I am to implement a GPIO pin as PWM.  Depending upon the period and duty cycle I would like to toggle GPIO  ON & OFF. Is there any implementation examples that I can find in TI site or control suite?

Appreciate your response.

Thanks,

KK

 

 

 

  • 0
    Prodigy 60 points

    Hi,

    I'm trying to do the same thing as you.Using GPIO as PWM output pin. What I have done is do the simulation of the pwm generation using simulink, the let simulink generate the code for you. Its done successfully for low speed  pwm generation.

    madie

  • 0
    Guru 192875 points

    Hi KK,

    You mean to say, leaving so many PWM peripherals apart, you want to simulate PWM via GPIO?

    If so, then by toggling GPIO with an x delay you'll be able to achieve particular period and duty cycle.

    You've an inbuilt delay routine which can be called like:     DELAY_US(100);    //100us delay

    Regards,

    Gautam