PWM in PSoC Creator

[DaCh_4286001]

Hello all,

I just started to use Psoc Creator and I have a question for the PWM block.

On the left side of the block there is a clock which you will need to set a value. While if you double click the PWM label, you will also need to set the period for PWM. What are the relationships between the clock and PWM period? As I know, you will need these two value to figure out the real-time period.

Thank you

[Bob_Marlowe · Accepted solution]

You will need PeriodValue clock counts for a complete PWM period. The compare value must be between 0 and the period value to set the duty-cycle between 0 and 100 percent.

Bob

[DaCh_4286001]

Sorry I am still confused.

Suppose I set PWM to 100 and PeriodValue clock to 100Hz. What does this mean?

Simon

[Bob_Marlowe]

PWM clock = 100Hz (quite slow) / Period value 100 results in a 1Hz PWM signal. By setting the compare value betweem 0 and 100 you can control the duty-cycle.

Besides this explanation, tell a bit more what you want to perform with your PWM.

Bob