MSP430F149 downloading problem

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niks

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MSP downloading problem?

Im facing downloading problem for MSP430F149. Initially im able to download it . but after few downloads or testing im facing this problem.
I checked JTAG lines. their default states are correct.
can anyne xplain me what are possible causes
niks
 

Hi

please be more detailed with your problem.
Are you using the IAR developing system!?

Perhaps the flash memory have some kind of problems!
Tries another device!!!

Best regards,
Pendeagon
 

Im Use MSP430F1121
the IAR is not bug .
 

Yes im using IAR . But im able to download in other devices.
when i start downloading initial sequence on JTAG lines is correct . Im getting something on TDO line . so MSP is alive.
then wat could b reason.Its is MSP149
 

I'm also using MSP and sometimes it happens it cannot be programmed.

It is not clear if you use the JTAG interface or the bootloader.

If you use the boot loader then TI provides a program (with C sources) that you can use to download the code.

If you run the program in a debugger you can trace the problem.

Regards
 

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