In SX Microcontrollers, SX/B Compiler and SX-Key Tool, NBB_Rene wrote:

Hello,

we have problems in last time to programm the UBICOM SX20AC. We program every time the same program on the same board and in last time we become often the message from the sxkey program "Chip connection faild". It can be when we try it often, that the download works. Then we can programm it every time. This broblems comes in last 4 month on different computers. When we solder a new SX... then it works. 

The SX20AC it works with 3.3V. 

Have somone a solution for this probleme?

Thanks for help

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