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CC3220: CC3220 : Use uniflash V4.1 to download mycode , it's connection error.

Part Number: CC3220

1. I use uniflash V3.41 programming  CC3220SF chip, but   uniflash V3.41 does not support CC3220SF, so use  the uniflash V4.1.

2. connection picture:


3.The computer can check the USB to the UART device, it can  send and receive data through the serial port.


4.Start image Creator。


5.Click Connect, it  appear the following error information:


6. I use CC3200  replace the CC3220SF chip on the circuit board, it can  download the program through the uniflash V3.4.1,.