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Problem of PWM clock source of MPC5744P

Question asked by nathan 米 on Oct 18, 2017
Latest reply on Oct 18, 2017 by Peter Vlna

I have a problem about the PWM module of MPC5744P.

According to the following code:

FlexPWM_0.SUB[0].CTRL1.R = 0x0404; // full cycle reload, every opportunity,IPBus/1, LDMOD=1
FlexPWM_0.SUB[0].CTRL2.R = 0x8080; // debug and force enable

The clock source of PWM is peripheral clock and the prescaler is 0, which I think makes the 

frequency of PWM source clock is equal to the peripheral clock.


Then what is the peripheral clock? Is it the MOTC_CLK?Or PBRIDGEx_CLK?