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I cannot detect the jtag of my arria 10 fpga via blaster.

I cannot detect the jtag of my arria 10 fpga via blaster. I guess it is related to my wrong action of jtag chain debugger but I do not remember the detail action. Attach the detection result.

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Employee
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Hi Liam,

 

Maybe you can refer to following KDB for workaround. Let me know is the issue haven't improve after try this workaround.

https://www.intel.com/content/altera-www/global/en_us/index/support/support-resources/knowledge-base...

 

Hope this will help.

Thanks

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Hi wolfgang,

I think it cannot solve my issue since I can detect another FPGA using my desktop and blaster. I think it is related to my wrong write to FPGA using JTAG chain debugger. Really need your help.

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Employee
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Hi Liam,

 

Have you try update the newest driver for USB Blaster II?

 

If you want any further information about JTAG debugger, you can check the following video:

-https://www.youtube.com/watch?v=C_hh31u3Fdc

-https://www.youtube.com/watch?v=3xKB72SBOp4

 

Hope this will help

Thanks

 

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I have saw these two videos but it cannot solve my issue, the two videos only give an example to communicate with a good device but do not tell me how to confirm if my device is broken and how to fix it such as write some value to some registers.

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Employee
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Hi Liam,

It has been a while since you have posted an update to this Forum. Do you have any update to me?

May I know the status of this issue?

 

Thanks

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Hi WolfGang,

I have not fixed this issue since I can not get useful information from your reply.

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Employee
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Hi Liam,

 

Can you kindly try to reduce your TCK frequency to 12 or 6 MHz?

Below link is the command to change TCK frequency (on page 14= 2.8. Changing the TCK Frequency)

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_usb_blstr_ii_cable.pd...

 

Thanks

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Hi WolfGang,

I have tried both 12M and 6M but it cannot work. Do you have other suggestions? I am urgent on this issue.

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Employee
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Hi,

jtagconfig2.JPG

If you see the similar issue ! warning as above [open Nios II prompt Command, and execute command "jtagconfig".], it probably the windows issue.

Solution:

Open Quartus / Quartus Programmer as Run as Administrator. This should help you to detect the device.

Thanks

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