MKL25Z128VFT4 Reset pin is toggling

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MKL25Z128VFT4 Reset pin is toggling

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Contributor I

I have problem to program MKL25Z128VFT4 MCU. The design isn't change at all. However until recent purchase new MKL25Z128VFT. I have program issue with SWD interface. The reset pin always toggling.

The IO level 1.8 V is expected. However due to the toggling. it never reaches to 1.8v that cause me cannot program the chip.

The capture is from reset pin.

IMG_20160308_141112.jpg

Here is schematic:

MCU.jpg

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2 Replies

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Contributor III

@David Tu

Hi.

Do you solve the problem?

Now, I run into the same probelm using MK60DN512VLQ10.

If you have solve this,can you share some experience?

Thanks.

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NXP TechSupport
NXP TechSupport

Hi David,

Before answer your question, I'd like to confirm some things with you.

1. Was it works after you use the original MCU to replace the new MKL25Z128VFT4?

2. I was wondering if you can share the screenshot of the error message when you program the MCU.

I'm looking forward to your reply.
Have a great day,
Ping

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