畢業(yè)設(shè)計(jì)-基于單片機(jī)的籃球比賽計(jì)時(shí)計(jì)分器設(shè)計(jì)(文件)
【正文】 3 .4 /T 014P 3 .7 / R D17P 3 . 6 / W R16P 3 .5 /T 115P 2 .7 /A 1 528P 2 .0 / A 821P 2 .1 / A 922P 2 .2 /A 1 023P 2 .3 /A 1 124P 2 .4 /A 1 225P 2 .5 /A 1 326P 2 .6 /A 1 427U1A T 8 9 C5 1 圖 1 AT89C51 引腳圖 （ 2） 7 段共陰 LED 顯示器 本設(shè)計(jì)中采用的是 LED 顯示器 7SEGMPX 系列。 圖 2 七段共陰極數(shù)碼管引腳圖（ 4 位） 單片機(jī)原理及系統(tǒng)課程設(shè)計(jì)報(bào)告 4 圖 2 中左面 8 個(gè)引腳分別是 A,B,C,D,E,F,G,DP(小數(shù)點(diǎn) )，右面是四個(gè)數(shù)碼管的位選端。按 下相應(yīng)按鍵可以達(dá)到本系統(tǒng)各個(gè)計(jì)分功能。 系統(tǒng)總體設(shè)計(jì) 系統(tǒng)硬件設(shè)計(jì)根據(jù)系統(tǒng)框圖，從系統(tǒng)框圖中可以知道，該系統(tǒng)中包含了預(yù)期設(shè)計(jì)的幾個(gè)部分。電路的連接不可放過每個(gè)細(xì)節(jié)，少有疏忽就會(huì)出錯(cuò)?？傊?，本次課程設(shè)計(jì)讓我收獲頗多，也希望自己能在以后的學(xué)習(xí)當(dāng)中能堅(jiān)持這種不懈努力，迎難而上的精神。定時(shí)計(jì)數(shù)器 0 中斷 LJMP TIME。A 隊(duì)分?jǐn)?shù) MOV 23H,00H 。分緩沖區(qū) MOV 33H,01H MOV 34H,00H 。定時(shí)初始化 MOV TL0,0B0H MOV R2,14H MOV IE,83H。比賽分?jǐn)?shù)顯示 。A 隊(duì)加三分 JNB ,AD1 。B 隊(duì)加三分 JNB ,BD1 。A 隊(duì)比分轉(zhuǎn)換成 10 進(jìn)制并放緩沖區(qū) DIV AB MOV 34H,B MOV 35H,A LJMP START BA1: JNB ,BA1 INC 23H MOV A,23H LJMP STOREB BA2: JNB ,BA2 MOV A,23H ADD A,02 MOV 23H,A LJMP STOREB BA3: JNB ,BA3 MOV A,23H ADD A,03 MOV 23H,A LJMP STOREB BD1: JNB ,BD1 DEC 23H MOV A,23H STOREB: MOV B,0AH 。中斷初值設(shè)定 MOV TL0,0B0H DJNZ R2,RET0 MOV R2,18H MOV A,20H CLR C DEC A MOV 20H,A MOV A,21H CJNE A,00H,PFF 。59 秒設(shè)置 MOV 30H,09H MOV 31H,05H MOV A,21H DEC A MOV 21H,A OUT: MOV A,20H MOV B,0AH 。查字形碼 MOV DPTR,TABEL MOVC A,A+DPTR MOV P0,A 。交換場(chǎng)地程序： CHANGE: PUSH PSW PUSH ACC JB QU 。t charge you more than 35% of your pensation if you win the case. If you are thinking about signing up for a damagesbased agreement, you should make sure you39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s actions. CSKA said they were surprised and disappointed by Toure39?？傆X得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫點(diǎn)什么。t really grow up, it seems is not so important。 Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來，這個(gè)世界上，對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的，除了非做不可的堅(jiān)決，還有，時(shí)間。也曾經(jīng)好像已經(jīng)下定了決心去做某件事，但單片機(jī)原理及系統(tǒng)課程設(shè)計(jì)報(bào)告 16 更多的時(shí)候是最后又打起了退堂鼓。 Those were broken into various shapes of stationery。突然想到那件藍(lán)格子襯衫；那些被折成各種各樣形 狀的信紙；那段從街角深巷伊始的友誼；還有那場(chǎng)還沒有開始就宣告了終結(jié)的邂逅計(jì)劃 …… 那些年那些天的非做不可，終于和青春一樣，都將在我們的人生中謝幕。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 there 。ll be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is 單片機(jī)原理及系統(tǒng)課程設(shè)計(jì)報(bào)告 17 diving into the shallow end. Skydiver preps for the big jump When he jumps, he is expected to reach the speed of sound 690 mph (1,110 kph) in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him pletely. If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes it39。 Have declared the end of the encounter that haven39。那些曾經(jīng)所謂的非做不可，只是青蔥年華里自己給自己注射的一支強(qiáng)心劑，或者說，是自以為是的精神寄托罷了。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
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