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This Paper shows our design and implementation of a data communication between the FPGA and ARM. Based on the implementation of the FPGA device driver in the embedded Windows CE 5.0, we propose a method to realize the operation of FPGA and improve the efficiency of the system. Referring to the related code of the stream interface driver and the data structures of ep9315 BSP, the FPGA device driver is programmed. The driver tested for a long time can run steadily in the whole system.