FRDM-KL05Z cannot be recognized by computer

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FRDM-KL05Z cannot be recognized by computer

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zz642040273
Contributor II

I used Win10 with a new FRDM-KL05Z, after I install the PEMicro driver and connect the board.

The board can be recognized as  openSDA -CDC serial Port and and it appeared as a disk named KL05Z or bootloader. However, I cannot open it or drag anything into it.

After a moment the driver disappeared and the PEMicro openSDA device disappeared and becomes Unknown USB device with code 43.

Anyone can help me on this?

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zz642040273
Contributor II

Problem fixed.

Install a Win7 virtual machine and connect the board to your computer. Win7 virtual machine are able to recognize the board.

Update the bootloader and firmware to the newest version from http://www.pemicro.com/opensda/. Then the Win10 host OS are able to recognize the board. 

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zz642040273
Contributor II

Problem fixed.

Install a Win7 virtual machine and connect the board to your computer. Win7 virtual machine are able to recognize the board.

Update the bootloader and firmware to the newest version from http://www.pemicro.com/opensda/. Then the Win10 host OS are able to recognize the board. 

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zz642040273
Contributor II

Hi, 

Thanks for your reply.

However, when I plugged with bootloader mode, the same happened and I cannot drag anything into it and later on it became unrecognized:(

 

Best,

Z

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nxf56274
NXP TechSupport
NXP TechSupport

Hi,

The final method is update your bootloader and firmware. You need an external jlink debugger. And follow the attachment.

Have a great day,
TIC

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nxf56274
NXP TechSupport
NXP TechSupport

Hi,

The firmware of PE always generate many problems. So we do not use it in common.

Have a great day,
TIC

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zz642040273
Contributor II

So what we normally used and is there any other approach to fix the problem?

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nxf56274
NXP TechSupport
NXP TechSupport

 

Hi,

Updating the bootloader is the only way to fix the problem. We use jlink and daplink firmware. They are more stable than PE mirco.

Have a great day,
TIC

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zz642040273
Contributor II

Thanks!

So, If I don't use the PEMicro firmare, do i need to install the PE drive? 

And if I use DAPLINK firmware, do I need to install any other driver?

 

Best,

Zheng

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nxf56274
NXP TechSupport
NXP TechSupport

Hi,

Both firmware need the driver. I suggest you use jlink firmware. 

Have a great day,
TIC

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zz642040273
Contributor II

Thank you very much! 

 

However, I would like to know is this the fault of the bootloader and firmware of this board itself or all KL05Z board? In other word, may this be fixed if i buy a new board?

 

Also, How do I connect Jlink with KL05Z?

 

Z

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nxf56274
NXP TechSupport
NXP TechSupport

Hi,

Hold the reset and then power on. Do you see the disk named 'bootloader'? Then try to download the pemiro firmware and drag it to the disk.

Have a great day,
TIC

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