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KSDK 2.0 internal clock configuration on MKL25Z

Question asked by Gustavo Leal on Sep 26, 2016
Latest reply on Sep 27, 2016 by Gustavo Leal

I'm getting started with KSDK 2.0 and I'm having some troubling configuring a custom board using Kinetis KL25Z and no external crystal.

I want to run my application with the clock given by the internal oscillator. When I used Processor Expert, I could set it up using FEI mode and set the bus clock to 20.84MHz and the system clock to 41,68MHz.

I see there's a BootToFEIMode() function in fsl_clock.h, but none of the demo apps use this configuration.

How would I have to set up clock_config.h to achieve this?