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System FPGA technology, the adoption of VHDL programming, to achieve in the CPLD. The basic principles of flower is the corresponding frequency of each note will be the frequency of enlarged issued after the driver speaker audio. Playing the organ, including manual and automatic playing two functions, which also play recordable playback manually. The paper describes the design of flower and block the realization of the principle of the method, details of the module design and module combination of the connection between the methods also include the use of electric piano note.