采用自上而下的设计方法，实现了较困难的PCI总线控制器。
The top-down design methodology is used to realize the PCI bus controller.
本文详细论述了系统自上而下的设计方法及各部分硬件电路组成及单片机、CPLD的软件编程设计。
This paper describes the top-down design method, hardware circuit buildup in detail and gives program for CPLD and single chip computer.
本文详细论述了系统各部分硬件电路组成，单片机和FPGA的软件编程设计以及自上而下的设计方法。
This paper discusses in detail the different parts of the system hardware circuit, single chip computer, FPGA design, software programming and top-down design methods and so on.
介绍了数模混合信号仿真的设计流程，说明了一种在混合设计的各个层次上对系统进行仿真验证的自上而下的设计方法。
A design flow based on mixed-signal simulation is proposed. The top-down design method indicates simulation and verification at each level of the mixed signal system design.
总的来说，一个计算机系统是由不同的“子系统”组成的，因此程序员需要掌握一些设计技巧或者自上而下的思维方法，这样才能从整体上把握全局。
Generally, a computer system is comprised of different "sub" systems so a programmer needs to have some design or top-down thinking skills to see the program from the larger picture.
顶层设计是自上而下、自高端至低端层层系统推进的设计方法。
It is a top - down design method which develops systematically from higher end to lower end.
针对自上而下的计算机辅助机械产品图形设计，提出了适应这种设计思维的特征设计方法，即选择合适的形状特征，作为进一步的详细设计的基准。
In the light of using top down method in the design of product with CAD, a method of feature design, which chooses proper shape feature as the datum for next design step, is presented.
基于现代设计方法和计算机信息技术，开发了基于功能-结构映射、支持自上而下整体设计的客车件冲裁模CAD系统。
This paper deals with an integral-design-oriented stamping die CAD system for carriage based on the mapping between function and structure, which supports top-down process of product design.
基于现代设计方法和计算机信息技术，开发了基于功能-结构映射、支持自上而下整体设计的客车件冲裁模CAD系统。
This paper deals with an integral-design-oriented stamping die CAD system for carriage based on the mapping between function and structure, which supports top-down process of product design.
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