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TMS320F280049: Connecting to USB XDS200 debug probe not possible

Part Number: TMS320F280049

Tool/software:

Hello support,

We are used to connect and debug with a USB debug probe XDS200 on our board with TMS320F280049, never had any issue, even very happy about it...

Since a few days, whatever i try, after loading my software to debug i ve got the following message:

"Error conecting to the target

(Error -2131 @ 0x0)

Unable to access device register....

...

(Emulation package 8.4.0.000006)

Can a dowloaded software be the reason to loose acces to debug?

We use CCS  Version: 9.3.0.00012 .

Any idea what i could do to overcome this issue?

Thank you,

PA.Nicoletti.