Does KW38 can support jlink HW 9.4?

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Does KW38 can support jlink HW 9.4?

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jingfang
Contributor IV

Does KW38 can support jlink HW 9.4?

I use HW 9.4 can't update FW,but HW9.6 can update it.

mark: it is deifferent manufacturers.

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3 Replies

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Guofred
Contributor III

Hi @jingfang ,

i use the Jlink HW V9.2 to verify, it can support the KW38.

would you like kindly help to check it again, thanks.

Guofred_0-1672194268882.png

Guofred_1-1672194438533.png

Best regards.

Guofrred

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Gavin_Jia
NXP TechSupport
NXP TechSupport

Hi,

First of all, the kw38 has an internal OpenSDA integration, so it does not require an external physical SEGGER J-LINK, just follow the steps given to burn the firmware. I will describe how to do this in as much detail as possible with pictures. Take it easy.

1. ​Please make sure the jumper above kw38 and my connection are the same. (Especially the two above and below)

Jumper_As_This.jpg

 

 

 

 

2. Download the SEGGER driver and the corresponding J-Link firmware for kw38 from this page.

OpenSDA_Page.jpg

 

 

 

 

 

 

 

3 . Just like the operation given on the OpenSDA page, press and hold RESET, reinsert the kw38 into the PC, and then release RESET. Look the pc disks shown as this picture. It comes into BOOTLOODER mode. Then copy the firmeware bin file into this disk. And wait couple seconds. Its name change to FRDM-KW38. This means it you can debug kw38 via J-Link happily.

After_BootLoaderMode.jpg

 

DiskBefore.jpg

 

 

4. Use MCUXpresso debugging kw38 via J-LINK like this.

JLink_Debug.jpg

 

 

 

 

 

 

Take it easy and enjoy.

Wish you have a nice day!

 

B.R.

Gavin

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Guofred
Contributor III

Hi @jingfang ,

May be we can use the J-FLASH tools to force update or use the different IDE tools to check it again, thanks.

Best regards.

Guofred

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