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St link v2 swim connection

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Briez

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Recently I purchased St link v2 programmer online and tried to program my stm8 device but ST Visual Programmer displays an error that please cheak your swim cable connection. I am doing my connection like,
Vdd (IC) -> 5V (ST LINK)
Vss (IC) -> GND (ST LINK)
SWIM (IC) -> SWIM (ST LINK)
NRST (IC) ->Swim_RESET (ST LINK)

My target device is unpowered externally. Can anyone tell me what can be the issue?
 

Briez

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My board only contains microcontroller ic. Is there crystal required on board to program it?

I connected cryatal on osc pins but still I cant communicate with device. I externally powered also but couldn't program it.
 

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