DRV8312: How to output 1KHz and 40Hz PWM

Part Number:DRV8312

Hi team,

The customer is using DRV8312. He needs to output 1KHz and 40Hz PWM. 

Would you suggest how to output 1KHz and 40Hz PWM and how much the start capacitor is suitable?

Best Wishes,
Mickey Zhang
Asia Customer Support Center
Texas Instruments