【正文】 貴州民族學(xué)院 理學(xué)院 畢業(yè)論文 1 基 于 FPGA 驅(qū)動(dòng) 高速點(diǎn)陣板驅(qū)動(dòng)系統(tǒng)及相關(guān)接口研制 潘茂盛 摘 要 論文 立足于 當(dāng)今行業(yè)流行的 LED 控制技術(shù)，以新型控制器 FPGA 為核心研究點(diǎn)陣板高速驅(qū)動(dòng)方案，文中介紹 LED 屏在國(guó)內(nèi)發(fā)展現(xiàn)狀及前景， 國(guó)內(nèi)具有良好的技術(shù)和產(chǎn)業(yè)鏈，研究LED 控制器具有不可輕視的意義 ，結(jié)合點(diǎn)陣屏特點(diǎn)確定了該論文的控制方案 及 FPGA 集成并行掃描 。第二 、三 章介紹 LED 點(diǎn)陣板組成的基本原理、發(fā)光特性及人眼視覺(jué)特性，介紹 LED驅(qū)動(dòng)的三種方案并進(jìn)行論述，得出脈沖驅(qū)動(dòng)的方案具有極大的優(yōu)勢(shì)。第四章介紹 FPGA 的基本原理，目前較為流行的 Altera FPGA 系列器件 EP2C5T144C8N,介紹流行的 FPGA 開(kāi)發(fā)工具 Quartus Ⅱ、 NIOS Ⅱ 及 ModelSim， FPG 開(kāi)發(fā)流程和開(kāi)發(fā)特點(diǎn)，介紹目前流行的硬件描述語(yǔ)言 Verilog HDL 特點(diǎn)。第五章結(jié)合點(diǎn)陣板基本組成原理和該設(shè)計(jì)的控制方案，設(shè)計(jì)了提高傳輸效率的數(shù)據(jù)組織方法。文章重點(diǎn)在第六章 ， 介紹各軟件模塊和軟硬件模塊的組成和結(jié)合方式， 結(jié)合點(diǎn)陣板組成原理及其特點(diǎn)確定控制器的實(shí)現(xiàn)的目的，本系統(tǒng)設(shè)計(jì)的具體實(shí)施方案，各模塊工作原理有詳細(xì)的描述，模塊 Verilog HDL 描述 ， IP 核的使用 ， 各模塊結(jié)合軟硬 件仿真調(diào)試過(guò)程和調(diào)試結(jié)果， 最終實(shí)現(xiàn)設(shè)計(jì)要求達(dá)到的目的。第七章介紹硬件設(shè)計(jì)的結(jié)構(gòu)，各個(gè)模塊的基本組成及模塊的結(jié)合。 第八章結(jié)合作者的實(shí)際設(shè)計(jì)經(jīng)驗(yàn)談了 FPGA系統(tǒng)設(shè)計(jì)的經(jīng)驗(yàn)和技巧以提高設(shè)計(jì)效率設(shè)計(jì)的人性化，包括電路模塊化方法、 IP 核使用技巧、電路仿真測(cè)試技巧，模塊復(fù)用 優(yōu)勢(shì)及系統(tǒng)調(diào)試結(jié)果。 關(guān)鍵詞： FPGA 集成并行掃描 點(diǎn)陣 屏 PC 機(jī)串口 模塊化貴州民族學(xué)院 理學(xué)院 畢業(yè)論文 2 FPGAbased highspeed dot matrix driver board drive system and related interfaces are developed Pan Maosheng Summary Paper based on today39。s popular LED control technology industry to the core of the new controller FPGA board highspeed dotmatrix driving scheme, the paper describes the development of LED screens in the domestic situation and prospects of China with good technical and industrial chain of LED controller has not underestimate the significance, bined with dotmatrix screen features to determine the control scheme of the paper and the FPGA integrated parallel scan. Second, LED dot matrix board posed of three chapters introduce the basic principles of light and human visual characteristics, introduced three LED drivers to discuss the program and obtained pulsedriven program has a great advantage. Chapter IV introduces the basic principles of FPGA, Altera FPGA and most popular devices EP2C5T144C8N, introduced the popular FPGA development tool Quartus Ⅱ , NIOS Ⅱ and ModelSim, FPG development process and development features, and introduces the popular features of the hardware description language Verilog HDL . Lattice board chapter bines elements of the design principle and control scheme, designed to improve the transmission efficiency of Data Organization. It focuses on Chapter VI, describes the various software modules and hardware modules of the position and bination of methods, bined with dotmatrix plates and its features to determine the purpose of realization of the controller, the system design for the concrete implementation, the module works detailed description of Verilog HDL description of the module, IP core use, the bination of hardware and software modules and debug the debugging process simulation results, and ultimately to achieve the design requirements. Chapter VII of the hardware design of the structure, the basic ponents of each module and module bination. Chapter VIII of the bination of practical design experience on the FPGA system design experience and skills to improve the efficiency of the design of human design, including circuit modular approach, IP core using the technique, circuit simulation test techniques, module reuse advantages and system debugging results. Keywords: FPGA integrated parallel port scanning dot matrix screen PCmodular貴州民族學(xué)院 理學(xué)院 畢業(yè)論文 3 目錄 摘要： ............................................................................................................................................. 1 Summary： .................................................................................................................................... 2 目錄 ................................................................................................................................................. 3 第一章 概 述 ................................................................................................................................. 5 LED 顯示屏及應(yīng)用 ....................................................................................................... 5 顯示屏驅(qū)動(dòng)器的發(fā)展?fàn)顩r和趨勢(shì) ............................................................................... 6 本課題的內(nèi)容 ............................................................................................................... 7 第二章 LED 器件基本工作原理 ................................................................................................ 10 光學(xué)度和視覺(jué)特性 ........................................................................................................ 10 發(fā)光二極管特性 ............................................................................................................ 11 LED 的 伏安特性 ............................................................................................................ 11 LED 器件的驅(qū)動(dòng)原理 .................................................................................................... 13 直流驅(qū)動(dòng) ............................................................................................................. 13 恒流驅(qū)動(dòng) ............................................................................................................. 13 脈沖驅(qū)動(dòng) .............................................................................................................. 14 第三章 LED 顯示屏及驅(qū)動(dòng)電路 ................................................................................................ 14 LED 顯示屏屏體 ......................................................................................................... 15 雙色 LED 單元板硬件組成及工作原理 [4]................................................................. 15 第四章 FPGA 開(kāi)發(fā)要點(diǎn) .............................................................................................................. 17 PLD 簡(jiǎn)介 ..................................................................................................................... 17 Altera 的 EP2C5T144.................................................................................................. 18 FPGA 開(kāi)發(fā)工具 ...............................................................................