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基于单片机的Led点阵广告牌设计[2].doc

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1、traffic management front line, all police always keep has high of spirit State, Strong impetus to the work carried out. There is insufficient: there is a “hard and soft“. Degree is not enough attention to party building under the new situation, there is emphasis on the operational light, heavy forms

2、 of light effects of party building issues. Second, the measures are not effective. Grasp party construction innovation is not strong in particular, measures and methods also are used to the old experience, old practices, effectiveness needs to be further strengthened. Third, “three lessons“ fail to

3、 adhere to party organization carried out infrequently. Xiao Zhao station branch of good practice: first, strengthening education. “Three Suns“ education as an opportunity to take the leading top party lectures, seminars, self-study, exchanging experiences and other forms of police leaders at all le

4、vels of the Organization important speech, happening around the Constitution and corruption case, police and party members to seriously record study notes, writing experience, . And attention to micro-party lecture, requires checking, improve yourself, ensure that study results. Second is to strengt

5、hen the leadership responsibilities. Secretary of the party branch as honest first person, conscientiously implement the “four person“ requirements, adhere to “important deployment in person, major issues personally important cases, coordination of key links in person, personally supervising the“ pa

6、rty members always set strict demands on themselves, play an exemplary role. Three is to strengthen the services for the people. Warm reception all who do the people, reflected in record crowds in every issue, and make the patient explanation, continuously improved service quality. Combination of “o

7、ne village, one police officer“, and organizing the police carefully Mo Pai all unstable factors that may affect stability, resolve contradictions and disputes in a timely manner, and civilian police with daily visits, issuing safety information leaflets, collection site personnel, promoting communi

8、ty harmony. There is insufficient: a rich branch team of party affairs knowledge is not enough, enough familiarity with the procedural terms, to a certain extent, restrict the work carried out. Second, regular ideological education is not enough, the police know timely and accurate enough. Third, me

9、ticulous management level needs to be improved, regularization of police awareness is not strong enough, daily habit is not conscious. This year yilai, Council is units branch to “three strict three real“ topic education for mainline, to service center, and construction team for focus, insisted thou

10、ght party and system rule party phase combined, solid implement implementation full strictly rule party requirements, party construction further specification, and members police quality constantly upgrade, and party innovation force constantly strengthening, party service implementation force obvio

11、usly improved, made has significantly results. Debriefings of the General Assembly of 3 units in the problems in the party building work in other units also exist to varying degrees and hope that other units through debriefing of the party, learn from experience, to address the issue, extrapolate, c

12、areful analysis of rectification, promoting the sustained and healthy development of the party building. Now, to further strengthen the party construction work of public security organs stressed five points throughout the County. First, ideology, politicalresponsibility and historical mission of the

13、 party since the 18, XI made a series of important remarks, General Secretary, the party put forward many new ideas, new arguments and new requirements, is the essence of promoting grass-roots party building work followed. We have to further study and understanding, consciously take responsibility.

14、One is to grasp party building “three questions“ of new requirements. Learning education practice, General Secretary of the partys mass line summary presented party building “three questions“. That is: “If party committees and party committees of various departments (party) have concentrate on grasp

15、ing party building? is it Party Committee Secretary of the Party Committee of departments (party) Secretary became Secretary of strictly administering the party? is it at all levels of party committees of various departments (party) members perform in charge of strictly administering the party in th

16、e field?“ General Secretary presented party building “three questions“, pointed to the key, and enlightening, three-sided mirror placed before you, and let you take a photo, take a look at, think about it, knows the results; three papers before us, and clearly judge us whether they fulfilled their r

17、espective responsibilities in the party building. The party “three questions“, urged that police officers . An organ is a Communist Party member of the disciplinary forces, party members accounted for the vast majority of civilian police, Council, the leading cadres and backbone of the units were ba

18、sically members, authority and responsibility are relatively concentrated, in terms of party-building, be sure to clear responsibility, responsibility, accountability, or grasping party building is an empty word. Third, to clear “three catch“ new initiatives. Learn General Secretary stressed that ca

19、tch a responsibility system for party building must be caught, catch accountability had to catch the person responsible, and catch those responsible had to catch the first responsible person. Why is debriefing of party branch Secretary of the units, made by the General Secretary is to implement “thr

20、ee catch“ requirement. Take the primary responsibility of the party who took the key. Second, full implementation of ideological party construction tasks, tasks into practice theories, XI Jinping summarizes Congress General Secretary at the national practice of mass education of ideological party co

21、nstruction in the new period is defined on tasks and requirements, in order to strengthen the partys construction of the target orientation and path. First, we must strengthen the theoretical study. Current urgent task is to fully understand the great significance of studying and implementing the sp

22、irit 18 session, police organization party members by focusing on learning, self-study, special counselling and other forms of serious in-depth study and adhere to the first step, deep layer, grasp the spirit of the plenary session, do anything he learned to think, learn, learn to use them. Secondly

23、, we should strengthen party spirit tempering. Adhere to the Constitution. Through group learning, the Party Secretary said party lectures and other forms of learning, and understanding the party spirit of party Constitution, lead units of the Council, the branch and the consciousness of all party m

24、embers and police set up the party. Learn advanced. Vigorously carry forward the spirit of Jiao Yulu, Yang Shuicai spirit, seriously study the advanced deeds of Comrade Yan Zhenchang, deep fine according基于单片机的 Led 点阵广告牌设计【摘要】本设计使用 AT89C51 系列高速单片机作为主控制模块,利用简单的外围电路来驱动 6416的点阵 LED 显示屏。利用 AT89C51 系列高速单片

25、机本身强大的功能,可以很方便的实现单片机与 PC 机间的数据传输及存储,并能利用 软件方便的 进行显示内容的多样变化,另一方面点阵显示屏广泛的应用于医院、机场 、银行等公共 场所,所以本设计具有很强的现实应用性。本 LED 显 示屏能 够以动态扫描的方式同时显示 4 个 1616 点阵汉 字,并能通过上位机软件修改显示内容和显示效果等等。把字符内码 存储在空闲的单片机程序存储器空 间,使本 LED 显示系统能掉电存储1024 个字符。设计 中采用了 SPI 接口的 GB2312 标准字库,支持所有的国标字符和 ASCII 标准字符的显示。因为采用串行传输方式,使本系 统 的可扩展性得到提升,便

26、于多个 显 示单元的级联。本文从 LED 的显 示原理入手,详细阐述了 LED 动态显示的过程,以及硬件电路的设计、计算和软件的算法。【关键词】 动态显示;单片机;点阵字库traffic management front line, all police always keep has high of spirit State, Strong impetus to the work carried out. There is insufficient: there is a “hard and soft“. Degree is not enough attention to party bui

27、lding under the new situation, there is emphasis on the operational light, heavy forms of light effects of party building issues. Second, the measures are not effective. Grasp party construction innovation is not strong in particular, measures and methods also are used to the old experience, old pra

28、ctices, effectiveness needs to be further strengthened. Third, “three lessons“ fail to adhere to party organization carried out infrequently. Xiao Zhao station branch of good practice: first, strengthening education. “Three Suns“ education as an opportunity to take the leading top party lectures, se

29、minars, self-study, exchanging experiences and other forms of police leaders at all levels of the Organization important speech, happening around the Constitution and corruption case, police and party members to seriously record study notes, writing experience, . And attention to micro-party lecture

30、, requires checking, improve yourself, ensure that study results. Second is to strengthen the leadership responsibilities. Secretary of the party branch as honest first person, conscientiously implement the “four person“ requirements, adhere to “important deployment in person, major issues personall

31、y important cases, coordination of key links in person, personally supervising the“ party members always set strict demands on themselves, play an exemplary role. Three is to strengthen the services for the people. Warm reception all who do the people, reflected in record crowds in every issue, and

32、make the patient explanation, continuously improved service quality. Combination of “one village, one police officer“, and organizing the police carefully Mo Pai all unstable factors that may affect stability, resolve contradictions and disputes in a timely manner, and civilian police with daily vis

33、its, issuing safety information leaflets, collection site personnel, promoting community harmony. There is insufficient: a rich branch team of party affairs knowledge is not enough, enough familiarity with the procedural terms, to a certain extent, restrict the work carried out. Second, regular ideo

34、logical education is not enough, the police know timely and accurate enough. Third, meticulous management level needs to be improved, regularization of police awareness is not strong enough, daily habit is not conscious. This year yilai, Council is units branch to “three strict three real“ topic edu

35、cation for mainline, to service center, and construction team for focus, insisted thought party and system rule party phase combined, solid implement implementation full strictly rule party requirements, party construction further specification, and members police quality constantly upgrade, and par

36、ty innovation force constantly strengthening, party service implementation force obviously improved, made has significantly results. Debriefings of the General Assembly of 3 units in the problems in the party building work in other units also exist to varying degrees and hope that other units throug

37、h debriefing of the party, learn from experience, to address the issue, extrapolate, careful analysis of rectification, promoting the sustained and healthy development of the party building. Now, to further strengthen the party construction work of public security organs stressed five points through

38、out the County. First, ideology, politicalresponsibility and historical mission of the party since the 18, XI made a series of important remarks, General Secretary, the party put forward many new ideas, new arguments and new requirements, is the essence of promoting grass-roots party building work f

39、ollowed. We have to further study and understanding, consciously take responsibility. One is to grasp party building “three questions“ of new requirements. Learning education practice, General Secretary of the partys mass line summary presented party building “three questions“. That is: “If party co

40、mmittees and party committees of various departments (party) have concentrate on grasping party building? is it Party Committee Secretary of the Party Committee of departments (party) Secretary became Secretary of strictly administering the party? is it at all levels of party committees of various d

41、epartments (party) members perform in charge of strictly administering the party in the field?“ General Secretary presented party building “three questions“, pointed to the key, and enlightening, three-sided mirror placed before you, and let you take a photo, take a look at, think about it, knows th

42、e results; three papers before us, and clearly judge us whether they fulfilled their respective responsibilities in the party building. The party “three questions“, urged that police officers . An organ is a Communist Party member of the disciplinary forces, party members accounted for the vast majo

43、rity of civilian police, Council, the leading cadres and backbone of the units were basically members, authority and responsibility are relatively concentrated, in terms of party-building, be sure to clear responsibility, responsibility, accountability, or grasping party building is an empty word. T

44、hird, to clear “three catch“ new initiatives. Learn General Secretary stressed that catch a responsibility system for party building must be caught, catch accountability had to catch the person responsible, and catch those responsible had to catch the first responsible person. Why is debriefing of p

45、arty branch Secretary of the units, made by the General Secretary is to implement “three catch“ requirement. Take the primary responsibility of the party who took the key. Second, full implementation of ideological party construction tasks, tasks into practice theories, XI Jinping summarizes Congres

46、s General Secretary at the national practice of mass education of ideological party construction in the new period is defined on tasks and requirements, in order to strengthen the partys construction of the target orientation and path. First, we must strengthen the theoretical study. Current urgent

47、task is to fully understand the great significance of studying and implementing the spirit 18 session, police organization party members by focusing on learning, self-study, special counselling and other forms of serious in-depth study and adhere to the first step, deep layer, grasp the spirit of th

48、e plenary session, do anything he learned to think, learn, learn to use them. Secondly, we should strengthen party spirit tempering. Adhere to the Constitution. Through group learning, the Party Secretary said party lectures and other forms of learning, and understanding the party spirit of party Co

49、nstitution, lead units of the Council, the branch and the consciousness of all party members and police set up the party. Learn advanced. Vigorously carry forward the spirit of Jiao Yulu, Yang Shuicai spirit, seriously study the advanced deeds of Comrade Yan Zhenchang, deep fine according目录1 LED 概述 .61.1 LED 电子显示屏概述 .61.2 LED 电子显示屏的分类 62 显示原理及控制方式分析 .72.1 LED 点阵模块结构 72.2 LED 动态显示原理 .72.3 LED 常见的控制方式 83 硬件电路设计 103.1 系统硬件概述 .103.2 1616LED 点阵显示制作 .113.2.1 1616LED 点阵的内部结构及工作原理 113.2.2 用 88LED 点阵构成 1616LED 点阵 123.3 主控单片机的接口说明 .143.4 LED 显示驱动电路 144 字模生成 .164.1 字模简介 .164.1.1

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