Using the MKE18 internal clock as system clock

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Using the MKE18 internal clock as system clock

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rudycoppens
Contributor III

Hello,

I have a MKE18 TWR development board and I would like to use the internal clock instead of the external 8MHz clock.

If I look at the block diagrams in the datasheet it should be possible, see attachment for the clocking diagram. I would like to get 120MHz system clock. 

Thanks!

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi Rudy,

Internal 48MHz Fast IRC can be used to generate 120MHz system clock with MCUXpresso Clocks Tool

MCUXpresso Clocks Tool 48MHz FIRC.png

Best Regards,

Robin

 

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rudycoppens
Contributor III

Thanks Robin!

Didn't know about the Clock tool. Just started with developing with this platform.

Regards,

Rudy

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Robin_Shen
NXP TechSupport
NXP TechSupport

You can download the standalone MCUXpresso Config Tools, and read the "Chapter 4 Clocks Tool" of MCUXpressoConfigTools_User_Manual.

download standalone MCUXpresso Config Tools.png

Clocks Tool.png

Best Regards,

Robin

 

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