JTAG SmartSnippet connection unstable

SmartSnippets Jtag connection not stable when there is code in flash

Fri, 2015-05-08 09:02--xixixihaha

Dear Dialog support,
在我的测试与DA14580燃烧SmartSnippets, I found that the JTAG is very hard to connect to the chip when the flash is burned with the code. I have to try unplug and plug for many times to get one success. Attached below is one of my log.
At the same time ( with the same code burning in the flash), the Keil can connect to the chip and download/debug the code without such difficulty. Some time it prompts 'can't find the device. I just need to unplug and plug for 1 time, everything will be fine.

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