【正文】 人們一定的視覺暫留。按鍵K2：在正常情況下，用于倒計時初值減少功能的啟動、停止。：和LED6相連，用于顯示單片機的工作狀態(tài)。4 系統(tǒng)軟件設(shè)計系統(tǒng)硬件設(shè)計好之后，接下來就要進行軟件設(shè)計。 計時功能流程圖圖41 計時功能流程圖 圖42 倒計時初值增加流程圖圖43 倒計時初值減少流程圖 圖44 倒計時開始流程圖 主要程序代碼全部的程序包括了頭文件、變量的定義、主程序及各子程序。 EA=1。 m=m+10。 P2_7=1。 }if(fast_sub==1) //倒計時初值連續(xù)減少{ P2_6=0。 m。 //計時停止if(count_down==1) //倒計時開始 { if(m0)m。 if(ms==10) { ms=0。{ uint n,a。 //計算十分一秒位數(shù)值 LED4=n%10。 Break。 Break。在這次設(shè)計中給我感受最深的就是我們應(yīng)該加強同學與老師之間的相互合作與配合，老師在其中起著很大作用，他時刻地洞察著你的進展情況，關(guān)鍵時候給你指明了方向，讓你向著他理想的目標前進。此次畢業(yè)設(shè)計才會順利完成。against the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal.Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept it.If you are worried about how the time limits apply to you, take advice from one of the organisations listed underTo find your nearest CAB, including those that give advice by , click onfor the racist behaviour of their fans during總覺得自己自己似乎應(yīng)該去做點什么，或者寫點什么。Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time.　　原來，這個世界上，對某個事件能產(chǎn)生化學反應(yīng)的，除了非做不可的堅決，還有，時間。 Those were broken into various shapes of stationery。t. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters).cause there23 。 Have declared the end of the encounter that haven39。s time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a selfrighteous spiritual.　　一個人的時候，自己的想法總是特別地清晰。The end of our life, and can meet many things really do?　　而窮盡我們的一生，又能遇到多少事情是真正地非做不可？During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。s 21 win.Michel Platini, president of European football39。Employment tribunals.The (lack of) air up there Watch mCayman Islandsbased Webb, the head of Fifa39。Further help.If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your pensation if you win the case. This is known as a you don39。我相信，在以后的工作學習中，我會更加努力，全身心地投入社會，做出我理想的成績！參考文獻[1] ,：2142[2] 戢衛(wèi)平,胡耀輝,[M].北京:冶金工業(yè)出版社,2006:2947[3] 桑勝舉,[M].北京:中國鐵道出版社,2010:132[4] [M].北京:清華大學出版社,2005:103149[5] [M].北京：清華大學出版社,2004:2245[6] [M].北京：國防工業(yè)出版社,2008:32117[7] Kai E, Sawata S, Lkebukuro K et al. Detection of PCR product in solution using surface plasmon resonance. Analytical elctrical. :796800[8] Verghese G C, Lang H, Casey L F. Analysis of instability in electrical machines .IEEE Transon IA, 1986, 22 :853864[9] [M].北京:機械工業(yè)出版社,2005: 179[10] 童詩白,[M].北京：高等教育出版社,2009:379[11] 葉挺秀，張伯堯. :2580[12] 許日濱,[M].北京:人民郵電出版社,2000:15169[13] [M].北京:北京理工大學出版社,2009:70128[14] [M].北京：清華大學出版,2008:69214[15] [M].北京航空航天大學出版社，:103105Stopwatch design based on SCMGao Shangchao(College of Physics and Electronic Information, Dezhou University, Dezhou, 253023)Abstract With puter penetration in the social sphere, SCM applications are constantly deepening, and promote the traditional control detection technology update. Single chip is integrated on a chip microputer, including CPU, random access memory, a readonly memory, input / output interface circuit, timer / counter and other parts. In this