Can not connect to targe(frdm-k64) using j-link

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Can not connect to targe(frdm-k64) using j-link

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hxc
Contributor I

Hi,

   I would like to program frdm-k64 using j-link tools, but enter problem.

   It can not connect to my board, and say that:

connect failed.PNG

Thanks,

Xiangcai.

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7 Replies

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jingpan
NXP TechSupport
NXP TechSupport

Hi,

It seems computer has established connection with openSDA jlink. But openSDA jlink can not access K64. I think there are few cause for this problem:

1. If you didn't cut j8/j11/j12 before, you can use a standalone jlink to check if K64 is ok.

2. If K64 is not ok, please check the power supply.

3. If K64 is ok, then maybe openSDA has problem. Can you tell me your Windows version and openSDA version?

Regards,

Jing

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hxc
Contributor I

Thanks for your reply~

I did use a standalone jlink on the JTAG(J9) connector, and it can not connect to FRDM-K64.

connector.jpg

connect failed.PNG

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jingpan
NXP TechSupport
NXP TechSupport

Hi,

Have you checked the power supply?

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hxc
Contributor I

Sure, but it doesn't work. And it work fine on the other board. I can not find it out.

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jingpan
NXP TechSupport
NXP TechSupport

You mean you have more than one frdm board and other board works fine?

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hxc
Contributor I

Yeah

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jingpan
NXP TechSupport
NXP TechSupport
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