系统基于EDA技术的智能数字电压表实现,以现场可编程门阵列(FPGA)为设计核心，集成于一片Xilinx公司的SpartanⅡE系列XC2S100E-6PQ208芯片上，在ISE环境下采用超高速硬件描述语言(VHDL)模块化编程,实现了电压的数据采集、转换、处理、显示等功能。本设计的特点在于能够测量的电压范围宽（0~50VDC），主要采用了分压原理,该系统具有集成度高、灵活性强、易于开发和维护等特点。-System based on EDA technology of intelligent digital voltmeter to achieve, to field programmable gate array (FPGA) for the design of the core, integrated in a Xilinx' s Spartan Ⅱ E Series XC2S100E-6PQ208 chip, in the ISE environment, use of ultra-high-speed hardware descr iption language (VHDL ) modular programming, the voltage data acquisition, conversion, processing, display and other functions. The design features is the ability to measure the voltage range (0 ~ 50VDC), with a partial pressure of the main principles of the system with high integration, flexibility, ease of development and maintenance.