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全国大学生电子设计竞赛培训.pptx

1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,A,E,D,Lab,泗航电子科技有限公司,FPGA,竞赛套件淘宝专卖店,FPGA,电子竞赛技术群（超级群）：,113522056,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.

2、0.0.,Copyright 2004-2011 Aspose Pty Ltd.,可编程逻辑器件,FPGA,-,F,ield,P,rogrammable,G,ate,A,rray,（现场可编程门阵列）,CPLD,-,C,omplex,P,rogrammable,L,ogic,D,evice,（复杂可编程逻辑器件）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created w

3、ith Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,相关参考网站,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyrig

4、ht 2004-2011 Aspose Pty Ltd.,参考网站,www.opencores.org,telnet:/smth.org,(,讨论：,comp.arch.fpga),Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 200

5、4-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,历届全国电子设计竞赛中,FPGA,应用,Evaluation only.,Created

6、with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,历届全国电子设计竞赛中,FPGA,应用,实用信号源的设计和制作,1995,年）,简易数字频率计（,1997,年）,频率特性测试仪（,1999,年）,波形发生器（,2001,年）,简易数字

7、存储示波器（,2001,年）,低频数字式相位测量仪（,2003,年）,简易逻辑分析仪（,2003,年）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,历届全国电子设计竞赛中,FPGA

8、应用,正弦信号发生器（,2005,）,简易频谱分析仪（,2005,）,三相正弦波变频电源（,2005,年）,数字示波器,(2007,年,),光伏并网发电模拟装置,(2009,年,),数字幅频均衡功率放大器,（,2009,年）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile

9、 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,2011,年？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,可能设计的,FPGA,应用技

10、术原理,DDS,等精度测频,数字鉴相,高速,A/D,采集控制,PWM,VGA,、,LCD,、,CRT,扫描控制,数字滤波器设计,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,可能设计

11、的,FPGA,应用技术原理,SPWM,（正弦脉宽调制）,三相,SPWM,全数字化语音合成,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,DDS,Evaluation only.,Cr

12、eated with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,DDS,直接数字合成,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0

13、0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,FM,调频问题：,在调频模式下，,FW,该如何给,调制波的,Vpp,决定调频波的频偏,中心频率该如何确定,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2

14、004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,举例：,载波：,1MHz,待调制信号：,1k,正弦波,频偏：,10kHz,Fclk=?N=?,如何确定,FWN,的变化范围？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2

15、011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,更为复杂的全数字调幅问题,在,D/A,前加数字乘法器可以调幅,几个概念：,调制度,包络,有符号数相乘,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Lt

16、d.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Pr

17、ofile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,较为理想的调幅,应该采用模拟方法,加模拟乘法器,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pt

18、y Ltd.,PWM,、,SPWM,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,PWM,模块设计,模,N,计数器（控制,PWM,频率）,PWM,宽度寄存器（控制占空比）,数字比较器

19、生成,PWM,波形）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,单相,SPWM,自然采样法,三角波,-,计数器实现,正弦波,-DDS,实现,比较,驱动电路,H,桥,Evalua

20、tion only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2

21、0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created w

22、ith Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三相,SPWM,自然采样法,三角波,-,计数器实现,三路正弦波,-120,相位差，,DDS,实现,比较,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slide

23、s for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty

24、 Ltd.,Waveforms and FFT,m,a,=0.8,m,f,=15,f,m,=60Hz,f,cr,=900Hz,Switching frequency,f,sw,=,f,cr,=,900Hz,SPWM,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0

25、0.,Copyright 2004-2011 Aspose Pty Ltd.,频率、相位测量,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,等精度测频,SPWM,Evaluatio

26、n only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,高速数据采集、存储与回放,视频数据？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Cl

27、ient Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,高速,A/D,采集控制,TLC5510/TLC5540,闪速,A/D,TLC5510 20MSPS,TLC5540 40MSPS,都是采用,Pipeline,技术，在采集过程中不能停止采集，在初始采集时候，前导的几个数据是错误的,Evaluation

28、only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,高速存储,方法一：采用双口,RAM,构成循环队列,方法二：采用,FIFO,，提高系统效率,Evaluation only.,Created with Aspo

29、se.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,举例：,数字示波器设计中，如果设计要求是,2K,存储深度，可以使用,2K,的,RAM,或双口,RAM,构成循环队列,Evaluation only.,Created with Aspose.Slides

30、for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,举例,摄像头数据采集，如果处理系统速度较慢，使用,FIFO,来协调速率,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0

31、0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,高速,D/A,输出控制,THS5651,125MSPS,一般用于,DDS,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose

32、Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,注意事项：,注意一下输出带负载能力,D/A,输出直流分量处理,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created wit

33、h Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,显示控制,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2

34、004-2011 Aspose Pty Ltd.,CRT,扫描控制（模拟示波器,X-Y,方式）,锯齿波发生,不需要高速,D/A,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,多踪显示

35、交替显示就是,Y,轴偏转板上以触发扫描的锯齿波为节拍，交替接通两路被测信号。,1,号锯齿波周期内，,Y,轴偏转板上为通道,1,的正弦波，电子束在荧光屏上扫出一个正弦波片断，,2,号锯齿波开始，,Y,轴偏转板立即接通通道,2,的三角波，电子束又重新在荧光屏上扫出一个三角波片断，如此往复，就在荧光屏上得到了正弦波和三角波的同时显示。在交替显示中，负责切换两个通道信号的电子开关，是以触发后的锯齿波为节拍的。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2

36、011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,TFT LCD,（,=3.5,）扫描控制,同步信号产生,水平同步（行同步）,垂直同步（帧同步）,像素数据高速读取,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose

37、Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,TFT LCD,（,10.5,）扫描控制,同步信号产生,水平同步（行同步）,垂直同步（帧同步）,像素数据高速读取,LVDS,信号发生,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose P

38、ty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,VGA,扫描控制,原理同,LCD,扫描,区别,:,加,RAMDAC,THS8134B,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,

39、Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,数字滤波器,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.

40、Copyright 2004-2011 Aspose Pty Ltd.,数字滤波器设计,使用,FIR IP Core,系数配置,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,与,M

41、CU,的接口,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,电子系统,Evaluation only.,Created with Aspose.Slides for.NET 3.5

42、Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,MCU,与,FPGA,分工协作,MCU,低速、复杂逻辑关系的控制,系统主控,FPGA,高速,简单逻辑关系控制,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profil

43、e 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,FPGA,与,MCU,接口,只收不发,一般情况下，,MCU,直接发数据和控制信号给,FPGA,，,FPGA,不需要反馈,并口方式：,LOADCLK:,装载数据时钟,(MCU,发起,),DATA:8,位或者,16,位，数据或控制字,SEL,：数据或控制字选择,Evaluati

44、on only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,FPGA,与,MCU,接口,只收不发,串口模式,：（模拟,SPI,）,SCLK,：串行时钟（,MCU,发起）,SDO,：串行发送数据信号,LOAD,：数

45、据移位完成后装载信号,CMDSEL,（可选）：数据控制字选择，在,LOAD,时候有效（本信号可复合在串行数据中，信号线可选）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,FPGA,

46、与,MCU,接口,收发,串口模式：,SCLK,：串行时钟（,MCU,发起）,SDO,：串行发送数据信号,LOAD,：数据移位完成后装载信号,CMDSEL,（可选）：数据控制字选择，在,LOAD,时候有效（本信号可复合在串行数据中，信号线可选）,SDI,：串行接收信号,RDY:,串行数据准备完成,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose

47、Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,FPGA,与,51,单片机接口,外扩存储器总线,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,

48、Copyright 2004-2011 Aspose Pty Ltd.,#include/,注意：此头文件必须包含,void main(void),/,给出锁存器,00H,地址信号,XBYTE0 x0=0 x8A;,/,给出锁存器,01H,地址信号,XBYTE0 x1=0 xAD;,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slide

49、s for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,双向,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose

50、Pty Ltd.,FPGA,与,MCU,接口,不建议采用双向端口,不建议模拟存储器总线,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,其他,Evaluation only.,Crea

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