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AM335X : Error connecting to the target

guo kaixin
Prodigy 110 points

Other Parts Discussed in Thread: AM3517, AM3358

Hi,

I have an AM335x EVM board ,but when I connect it throuth the Blackhawk USB560 JTAG EMULATOR ,an error comes out . The test connection is successful.

How can I solve this problem?

  • 0
    TI__Guru**** 171519 points

    Hi,

    Is this somehow related to the emulation issues you reported in your other thread?

    Sometimes when an application is running on the device (Linux, u-boot or any application), it can prevent emulator access to the core and therefore fooling it to think it is actually in reset. If that is not the case, I suggest reducing the JTAG TCLK speed in the target configuration editor (possibly to Automatic with Legacy 10.368MHz) as it is a more reliable setting. To access this setting, check the short clip referenced at this link.

    Hope this helps,

    Rafael

  • 0 in reply to desouza
    Prodigy 110 points

    Hi,Rafael

    Yes, I have a problem in AM3517 EVM board about the connection .Through I spent much to solve it ,it didn't work.

    I have another EVM board ,its core is AM3358 , so I wanna have a try ,as a result ,I encounter with the same problem --can't connect it through the JTAG.

    I have try it again with a lower speed, but the result is same. Because this EVM has two SD cards which contain andriod and linux operation system, I agree your idea, but how can I set it ?

    Thanks