The thesis discusses on how to research and then design the LED video panel system, which is a typical product of computer digital video system, by using the PLD chip as the main control logic.
本论文讨论用PLD芯片作为主要控制逻辑来设计计算机数字视频系统的一个典型应用型产品——LED视频电子显示屏系统的研制方法。
After the system-level spec and the division of the design hierarchy are comfimed, we start to design the digital logic circuit from the bottom for the pixel machine .
在明确了系统级的总体规划以及设计层次的划分以后，我们从系统的最底层开始进行数字逻辑电路的设计。
The design method of LED big screen scanning circuit is introduced, and the virtues of programmable logic device application on high-speed digital system are presented.
介绍了LED大屏幕扫描电路的设计方法，阐述了可编程逻辑器件在高速数字系统应用中的优点。
The feature of rapidly develop, high speed and high reliability of Complex Program Logic Device(CPLD) makes CPLD playing a more and more role in the design of digital system.
大规模可编程逻辑阵列（CPLD）的快速开发、在系统编程以及高速可靠的特点使得CPLD在数字系统的构建中起到越来越重要的作用。
Complex Programmable Logic Device (CPLD) is one of Application Specific Integrated Circuit (ASIC) that has been widely used, especially adapt to design digital system.
复杂可编程逻辑器件(CPLD)是目前应用最为广泛的可编程专用集成电路(ASIC)之一，特别适合于数字系统的设计和开发。
It is proved that this type of counter has correct logic function according to EDA simulation and experimental verification with FPGA and can be normally used in the design of digital system.
经eda软件模拟仿真和FPGA硬件验证，表明该计数器具有正确的逻辑功能，能够正常地应用于数字系统的设计。
Firstly, the thesis presents the system scheme of digital image compression based on PDVQ. Then we introduce the hardware design, FPGA logic realizing and FPGA implement of image processing algorithm.
本文首先给出了基于PD VQ的数字图像压缩系统的系统方案，然后介绍了系统的硬件结构设计、FPGA逻辑实现以及图像处理算法的FPGA实现。
In system digital part design, all outer logic circuits of Single chip microcomputer are implemented in CPLD. That makes the volume of the system smaller and improve the reliability of system.
在系统数字部分的设计中，采用CPLD来实现单片机外部的逻辑电路，大大缩小了整个系统的体积提高了系统的可靠性。
In exploitation and design of the modern digital electronic system, programmable logic device (PLD) is used more and more widely.
现代数字系统开发设计中，可编程器件的使用越来越普遍。
In exploitation and design of the modern digital electronic system, programmable logic device (PLD) is used more and more widely.
现代数字系统开发设计中，可编程器件的使用越来越普遍。
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