基于fpga的简单电子琴设计.doc

. . . . CPLD/FPGA课程设计 项目名称 基于FPGA的简易电子琴设计 专业班级 物联网112 学生学号 学生姓名 指导教师 2014年 6 月 18 日 摘 要 本系统是采用EDA技术设计的一个简易的八音符电子琴，该系统基于计算机中时钟分频器的原理，采用自顶向下的设计方法来实现，它可以通过按键输入来控制音响。多功能电子琴的设计是在原有普通电子琴的基础上进行扩充的一个设计。该电子琴的设计大体可以由三个模块构成，分别是电子琴发声模块、存储器模块和选择控制模块。用硬件描述语言Verilog HDL编程可以实现各个模块的功能。不仅能实现弹琴和演奏的功能，它还能实现“复读”的功能，就是可以存储任意一段音乐，并且可以即时的播放出来。系统实现是用硬件描述语言Verilog HDL按照模块化方式进行设计，然后进行编程、时序仿真、总体整合。本系统的功能比较齐全，有一定的现实使用的价值。本文中介绍了电子琴系统的整体的设计,并基于硬件描述语言Verilog HDL在相关的芯片上编程实现的。 关键字：电子琴；音调发生；现场可编程逻辑器件FPGA；硬件描述语言Verilog HDL；  Abstract This?system?is?designed?using?EDA?technology?a?simple?eightnote?keyboard,?the?system?clock?divider?based?on?the?principle?of?the?computer,?using?topdown?design?methodology?to?implement,?it?can?be?controlled?through?the?key?input?audio.?Multifunction?keyboard?is?designed?to?be?an?ordinary?keyboard?in?the?original?expansion?on?the?basis?of?a?design.?The?design?of?the?keyboard?in?general?consists?of?three?modules,?namely?the?keyboard?sound?modules,?memory?modules?and?select?the?control?module.?Ultra??hardware?description?language?Verilog??HDL?programming?function?of?each?module.?Not?only?can?realize?the?function?of?playing?and?playing,?it?can?achieve?repeat?function,?which?can?store?any?piece?of?music,?and?realtime?play?out.?System?implementation?is?to?use?hardware?description?language?Verilog?HDL?modular?way?by?design,?then?programming,?timing?simulation,?integration.?The?system?features?a?relatively?complete,?there?is?a?certain?value.?This?paper?introduces?the?overall?design?of?the?keyboard?system,?and?based?on??hardware?description?language?Verilog?HDL??in?Xilinxs?Spartan?II?series?2sc200PQ2085?chip?programming. Keyword：Keyboard;???tone?occurred;?field?programmable?logic?device?FPGA;? ultra??hardware?description?language Verilog HDL?;?  目 录 TOC \o 1-3 \h \z \u HYPERL