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Ulink jtag problem,

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Author
Ramazan ARIKAN
Posted
21-Nov-2008 14:48 GMT
Toolset
ARM
New! Ulink jtag problem,

I am using STR9. While trying load the program to the flash memory, I get the following error,

In debug: "memory mismatch address 0x00000 value: 0xff extected 0x18"
while downloading: "flash download failed could not stop ARM9E device please check the JTAG cable"

Ramazan ARIKAN

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Author
Tamir Michael
Posted
21-Nov-2008 14:53 GMT
Toolset
ARM
New! RE: Ulink jtag problem,

did you verify that the correct programming algorithm is selected...?

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Author
ramazan arikan
Posted
24-Nov-2008 07:44 GMT
Toolset
ARM
New! RE: Ulink jtag problem,

Yes I verified the algorithm. The microcontroller is STR912FAWX6, and the algarithm is "ULINK arm debugger". However, automatic device chain initilization is failed. I manuelly add the device. If I choose auto detection, it it says that "JTAG connection failed".

When I press the load button, the device is resetted. But I get the massage "flash download failed could not stop ARM9E device please check the JTAG cable"

best regards

Ramazan

Read-Only
Author
Robert Rostohar
Posted
24-Nov-2008 08:58 GMT
Toolset
ARM
New! RE: Ulink jtag problem,

If automatic JTAG detection fails on STR9 then JTAG communication is not working (manual settings will not help in this case and debugging/flashing will still fail).

Check your HW and JTAG connection and try the following:
- reduce JTAG clock
- check also: http://www.keil.com/support/docs/3215.htm

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