没有合适的资源?快使用搜索试试~ 我知道了~
于基单片机的波形记录器--本科毕业设计.doc
0 下载量 128 浏览量
2023-06-29
13:08:06
上传
评论
收藏 985KB DOC 举报
温馨提示
试读
43页
于基单片机的波形记录器--本科毕业设计.doc
资源推荐
资源详情
资源评论
毕 业 设 计(论 文)
题目:单片机波形记录器
Title:
Chip waveform recorder
学生姓名:
专 业:
学 号:
指导教师:
2 0 1 2 年 6 月
GRADUATION
DESIGN
(DISSERTATIONS)
English Title: Chip waveform recorder
Name: FuKailiang
Student number: 08061239
Teacher: LiHongjun
Professional: Electronic
June In 2012
东华理工大学毕业设计(论文) 摘 要
Ⅰ
摘 要
波形记录在教学科研和地质勘测等方面有着广泛的应用。波形的记录也方便
我们后期对图形的分析和运算,频谱的分析,曲线相关性分析等操作。通用电子
示波器价格低廉 ,是我们配备的常规仪器 ,但不具备信号记录功能 ,因此 ,设计
一种信号波形记录器 ,使之能与通用电子示波器结合 ,用来观测非重复性信号波
形 ,是很有实际意义的。本论文是基于单片机而设计的波形记录器,波形存储系
统配备了A/D转换器、数据存储器、采用双极性输出的D/A转换器等器件。系统有
八个输入通道,采用分区储存波形。同时给外部数据存储器配置了掉电保护电路,
可长期保存数据。设计中采用自顶向下的方法,系统共有四个功能模块:输入电
路、键盘和显示电路、控制和存储电路以及输出电路。该设计使波形记录与通用
电子很好的结合在一起,具有很强实用性。
关键词:单片机;波形记录;实用性
东华理工大学毕业设计(论文) ABSTRACT
Ⅱ
ABSTRACT
The waveform recording has been widely used in the teaching scientific
research, the geological research and so on. Waveform recording is also convenient
for our later on graphical analysis and calculation, spectrum analysis, correlation
analysis and other operation curve. Universal electronic oscilloscope low prices, we
are equipped with conventional instruments, but does not have the signal recording
function, therefore, to design a signal waveform recorder, which can combine with
general electronic oscilloscope, to observe the non repetitive signal waveform, is of
great practical significance. This paper is based on the single chip microcomputer and
the design of the waveform recorder, waveform storage system equipped with a A/D
converter, data memory, using bipolar output prosperity D/A converter device. The
system has eight input channels, using partition stored waveform. At the same time to
the external data memory configured to drop the electricity protection circuit, can be
long-term preservation of data. The design of using top-down method, the system has
four modules: input circuit, keyboard and display circuit, control circuit and the
storage circuit and an output circuit. The design enables the waveform record and
electronic together well, has the very strong practical.
Keywords: Single chip microcomputer; Waveform recording; Practicability
东华理工大学毕业设计(论文) 目 录
1
目 录
摘要 .............................................................................................................................Ⅰ
ABSTRACT......................................................................................................................Ⅱ
第 1 章 绪 论............................................................................................................1
1.1 课题背景与研究现状...................................................................................1
1.2 课题的意义...................................................................................................2
第 2 章 系统总体设计................................................................................................3
2.1 系统功能分析...............................................................................................3
2.2 总体设计思想...............................................................................................4
第 3 章 系统的硬件设计..............................................................................................5
3.1 输入电路的设计...........................................................................................5
3.1.1 A/D 转换器的选择...............................................................................5
3.1.2 缓冲器的选择......................................................................................6
3.1.3 同步触发电路设计...............................................................................6
3.1.4 程控基准电源设计..............................................................................7
3.2 显示电路设计...............................................................................................7
3.3 键盘接口电路...............................................................................................8
3.3.1 按键的消抖问题...................................................................................8
3.3.2 键盘与单片机的接口电路的设计.......................................................8
3.4 控制和存储电路的设计..................................................................................9
3.4.1 控制器的选择.......................................................................................9
3.4.2 单片机晶振电路的设计.......................................................................9
3.4.3 单片机复位电路的设计....................................................................10
3.4.4 数据存储器的选择与掉电保护电路的设计.....................................11
3.4.5 单片机与 62256 的接口电路的设计................................................12
3.5 输出电路的设计............................................................................................13
3.5.1 数摸转换器的选择.............................................................................13
3.5.2 双极性输出电路的设计....................................................................14
3.6 电源电路的设计...........................................................................................15
第 4 章 系统的软件设计..........................................................................................16
4.1 数据的定义与存储器的分配........................................................................16
4.2 主程序的设计.............................................................................................17
4.2.1 键盘扫描中断子程序......................................................................17
4.2.2 A/D 转换子程序的设计...................................................................20
4.2.3 D/A 转换子程序的流程图...............................................................20
4.3 软件抗干扰措施...........................................................................................21
结 论..........................................................................................................................23
参考文献......................................................................................................................24
致 谢..........................................................................................................................25
附录一:源程序..........................................................................................................26
附录二 总电路图......................................................................................................37
剩余42页未读,继续阅读
资源评论
xinkai1688
- 粉丝: 349
- 资源: 8万+
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功