External Clock for KEA-128?

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External Clock for KEA-128?

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vigneshbalaji
Senior Contributor I

Hi,

    I want to use External Clock for KEA-128?What are the settings for that?

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi VIGNESH,

Please refer the "Example: 20.5.3.1 FEE mode initialization routine" in KEA128RM.

20.5.3 Initializing FEE mode.jpg

You can also create a Processor Expert Project by using the KDS3.2 .

The Processor Expert will help you configure the setting.

New Processor Expert Project KEA128.jpg

Processor Expert.jpg

Processor Expert Project.jpg

Best Regards,

Robin

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484 Views
vigneshbalaji
Senior Contributor I

Hi,

    This mode Explains to use External Clock as Internal Clock Reference.

Can you Explain me how to select the External Clock directly as the Bus Clock Out????

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi VIGNESH,

If you want to select the External Clock directly as the Bus Clock, please select FBE or FBELP as ICS mode.

Best Regards,

Robin

484 Views
vigneshbalaji
Senior Contributor I

Hi Robin,

               Can you please tell me the difference between FBE and FBELP Mode?

As far as my understanding, FBE Mode has FLL Enabled and FBELP mode has FLL Disabled and due to this I am getting

Confused Between FEE and FBE also, Since both of them are having FLL enabled.

If you can explain me the flow of clock using block diagram and dotted lines for all three, It would be great.

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