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November 24, 2020, 06:51:34 06:51


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Author Topic: Flash CC9U (UNC90) with JLink  (Read 802 times)
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madmax80
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« on: May 17, 2020, 05:47:55 17:47 »

Hi everybody,
I have erased bootloader module CC9U (UNC90) and I want to flash it again. I connect with JLINK V8 the target through JTAG without problems. But no access to flash bank, I can’t. The process ends with error “could not find CFI compliant flash device” and the list of available flashes don’t appear. Nobody can help me for this? Thanks.
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madmax80
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« Reply #1 on: May 17, 2020, 08:51:41 20:51 »

Why this post?
you can't start a new topic because you want a different answer.


http://www.sonsivri.to/forum/index.php?topic=41726.msg196048#msg196048
[/
Why this post?
you can't start a new topic because you want a different answer.


http://www.sonsivri.to/forum/index.php?topic=41726.msg196048#msg196048
Sorry but I only opened this thread as I did not want to dirty the other post dedicated only to doubts about the jlink. By usb it is impossible for me to do it so I am trying for jtag although the program does not give me access to the flash memory. Thank you
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comlekciler
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« Reply #2 on: May 18, 2020, 09:56:27 09:56 »

It felt as if you did not accidentally delete the bootloader module CC9U (UNC90), I think, you had burned the processor.
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madmax80
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« Reply #3 on: May 18, 2020, 06:46:09 18:46 »

It felt as if you did not accidentally delete the bootloader module CC9U (UNC90), I think, you had burned the processor.

Thanks for the answer, but I don't understand you. I have communication with the processor ok. Now the problem is that when it comes to programming it it returns me the failure of “ verification of RAMCODE failed address 0x00000000”. Thanks
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pickit2
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« Reply #4 on: May 19, 2020, 12:25:04 00:25 »

comlekciler is saying the at91rm9200 is damaged, if not
look the at91rm9200 data sheet. (section Boot program).
follow the loading of the loading for a boot loader.
 
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comlekciler
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« Reply #5 on: May 19, 2020, 10:36:32 10:36 »

comlekciler is saying the at91rm9200 is damaged, if not look the at91rm9200 data sheet. (section Boot program). follow the loading of the loading for a boot loader.
Yes, because when I received such an error related to the processor (verification of RAMCODE failed address 0x00000000) it was often damaged even if communication with the processor was achieved. So I couldn't use the processor again.
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madmax80
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« Reply #6 on: May 19, 2020, 11:09:53 11:09 »

Yes, because when I received such an error related to the processor (verification of RAMCODE failed address 0x00000000) it was often damaged even if communication with the processor was achieved. So I couldn't use the processor again.


Thanks for the reply
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