With the complex programmable logic devices (CPLD) a wide range of applications to the development of EDA tools as a means of the use of VHDL.

随着复杂可编程逻辑器件（CPLD）的广泛应用，以EDA工具作为开发手段，运用VHDL语言。

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Here we bring forward one digital waveform generator based on DDS technology, use CPLD to do hardware design, finish functional and timing synthesize with certain EDA tool's help.

文中设计了一种基于DDS技术的数字波形发生器，并在此基础上采用CPLD技术来进行硬件设计研究，对电路的数字部分进行了分步设计以及功能仿真和波形仿真。

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By using EDA technology and program implementation on CPLD/FPGA, some ASIC for satellite house-keeping computer are developed.

在硬件设计中充分利用电子设计自动化技术，通过在CPLD/FPGA上编程，设计出了星务计算机专用集成电路。

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