Keil+JTAG Error with S32K148(No Cortex-M Device found in JTAG chain)

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Keil+JTAG Error with S32K148(No Cortex-M Device found in JTAG chain)

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Guo_Jing
Contributor I

Hello,I have encountered a problem:Using JTAG mode for S32K148 download and debugging in Keil IDE will result in an error message."No Cortex-M Device found in JTAG chain".Without changing the hardware environment,I have made the following attempts but have been unable to resolve them, so the preliminary conclusion is that there is a problem between Keil and the MCU。

Attempt 1:Keil+SWD is ok, IAR+SWD/JTAG are both ok, S32DS+SWD/JTAG are both ok.

Attempt 2:I have downgraded the keil dfp pack package version from 1.5.0 to 1.3.0,but none of them worked.

Attempt 3:I replaced Keil's J-Link driver “JLinkARM.dll”, but it still doesn't work

Attempt 4:I can download it separately using the JTAG mode of the Segger J-Flash tool.

Attempt 5:I have also tried changing Keil versions, 5.34 and 5.39, but none of them worked.

So I don't know where the problem is, I suspect it's an internal issue with Keil or an incompatibility issue between Keil and S32K series chips in JTAG mode.

Please help confirm ,thanks.The error report photo is attached.

20240315112205.jpg

S32K1 

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3 Replies

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danielmartynek
NXP TechSupport
NXP TechSupport

Hi @Guo_Jing,

Since it works with IAR, S32DS, J-Flash, please contact KEIL support.

https://www.keil.com/support/

 

Thank you,

BR, Daniel

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Guo_Jing
Contributor I

@danielmartynek 

Unfortunately, it's been 2 weeks and Keil Support hasn't replied .

Can you please pay attention to this issue?

https://community.arm.com/support-forums/f/keil-forum/55769/keil-jtag-error-with-s32k148-no-cortex-m...

 

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danielmartynek
NXP TechSupport
NXP TechSupport

Hi @Guo_Jing,

Instead of using their public forum, can you submit a ticket?

 

Regards,

Daniel

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