利用QUARTUS II的SOPC设计的Nios II系统，检测Flash模块和SDRAM模块是否可用。对于设计之前的模块检测有一定参考价值。-Use of QUARTUS II of the Nios II system, SOPC designs, testing Flash module and SDRAM module is available. Prior to testing for the design of the modules have a certain reference