利用EDA工具和硬件描述语言（HDL），根据产品的特定要求设计性能价格比高的片上系统，是目前国际上广泛使用的方法。与传统的设计方法不同，在设计开始阶段并不一定需要具体的单片微控制器（MCU）和开发系统(仿真器)以及带有外围电路的线路板来进行调试，所需要的只是由集成电路制造厂家提供的用HDL描述的MCU核和各种外围器件的HDL模块。设计人员在EDA工具提供的虚拟环境下，不但可以编写和调试汇编程序，也可以用HDL设计、仿真和调试具有自己特色的快速算法电路和接口，并通过综合和布线工具自动转换为电路结构，与制造厂家的单元库、宏库及硬核对应起来，通过仿真验证后，即可投片制成专用的片上系统（SOC)集成电路。-use of EDA tools and hardware descr iption language (HDL), According to the specific requirements of product design to the high cost performance system on a chip, which is widespread international use. With the traditional method, in the beginning stages of the design does not necessarily require specific single-chip microcontroller (MCU) and system development (simulator) and the band with the external circuit to circuit boards for debugging, needed is the IC manufacturers for the use of the HDL descr iption MCU nuclear and various external devices HDL module. Design EDA tools in the virtual environment, it will not only prepare the compilation and debugging procedures, can also use the HDL design, simulation and debugging with its own characteristics, rapid algorithm and interface circuit,