2. The driver (USBasp) must be installed when using the USB download cable for the first time.
3. Create a new project. Profect->New uVision Project->Enter the file name (without extension)->Save->Select CPU->File->New->Save (enter the file name with extension)->Right-click the project folder in the Project Workspace window->Add Files to Group 'Project Name'->Select the files to be added->Start writing code (header file, main function, etc.)->Compile.
4. To download to the MCU for execution, you need to compile it into a .Hex file (set Options for target->Output->check Create HEX File)-> after compilation, a .hex file will be generated in the project directory.
5. The download software is PROGISP (select the hex file when loading into Flash, and select automatic to start the download program).
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