先入先出FIFO，用QUARTUS进行仿真-FIFO FIFO, the simulation with QUARTUS

数字电子设计fpga设计的spi接口的ip_core，可以直接用于在fpga设计，支持actel的fpga芯片，支持主从模式，fifo大小可选。-Fpga design of digital electronic design spi interface ip_core, fpga design can be directly used to support actel the fpga chip, support master-slave mode, fifo size options.