本原码是基于Verilog HDL语言编写的，实现了SPI接口设计，可以应用于FPGA,实现SPI协议的接口设计.在MAXII编译成功,用Modelsim SE 6仿真成功.-primitive code is based on Verilog HDL language, and achieving the SPI interface design, FPGA can be used to achieve agreement SPI interface design. MAXII success in the compiler, Modelsim SE with six successful simulation.