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