在ICCAVR环境下建立项目，并加入源文件，然后编译、连接该项目 用AVR Studio仿真（需选择JTAG ICE）或者将SKEY.HEX烧入单片机-ICCAVR environment in the establishment of the project, and add source file, then compile and link the project with the AVR Studio emulation (must be selected JTAG ICE) or