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K10 Microcontroller XTAL32 and EXTAL32

Question asked by haojian xu on Feb 16, 2016
Latest reply on Feb 18, 2016 by EARL GOODRICH

I am a new user of Kinetis micro controller. I am planning to use the process on motion controller application. After quickly go through the datasheet, I am not get a clear picture about XTAL32 and EXTAL32 pins.

 

1. Do I need hook a 32KHz oscillator at EXTAL32 pin? I assumed the microcontroller has its own internal clock.

2. What kind of applications need there 2 pins? Can I left them floating if I don't need them?

 

Thanks,

 

HJ

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