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STC8H Series Manual
Then the driver installation successful dialog box pops up, click the "OK" button to complete the installation:
Then use the USB cable provided by STC to connect the U8W/U8W-Mini download board to the computer, open the
device manager of the computer, and under the port device category, if there is a device similar to "USB-SERIAL
CH340 (COMx)", it means U8W/U8W-Mini can be used normally. As shown in the figure below (different
computers, the serial port number may be different):
Note: When using STC-ISP to download software later, the selected serial port number must be the corresponding
serial port number, as shown in the figure below:
STC Tool Instruction Manual