How to re-enable SWD on KL or K MCU after I set SWD PINs to other functions?

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How to re-enable SWD on KL or K MCU after I set SWD PINs to other functions?

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parkyu
Contributor I

When R&D develop software on FRDM, they may set SWD PINs to ADC or other fuction, if this happened how can re-enable SWD and to debug and download by Jlink continue?

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Robin_Shen
NXP TechSupport
NXP TechSupport

Hi park,

During reset, the SWD pins should be SWD function.
Please try:
1. Press and hold the reset button;
2. Click the debug option in the IDE;
3. Then release the reset button, the IDE will enter debug mode automatically.

Best Regards,

Robin

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