課程設(shè)計(jì)-單片機(jī)原理公交車語(yǔ)音報(bào)站系統(tǒng)設(shè)計(jì)-wenkub.com
2025-01-10 18:53 本頁(yè)面
【正文】 s not needed. Instead, he plans to deploy his 270squarefoot (25squaremeter) main chute at an altitude of around 5,000 feet (1,524 meters).In order to deploy this chute successfully, he will have to slow to 172 mph (277 kph). He will have a reserve parachute that will open automatically if he loses consciousness at mach speeds.Even if everything goes as planned, it won39。t start planning... Those years, those days of do, finally, like youth, will end in our life. 此刻，天空是陰暗的，空氣里有著剛下過(guò)雨之后的清新因子。At the moment, the sky is dark, the air is fresh factor after just rained. Suddenly thought of blue plaid shirt。想要的，不想要的，界限明確，好像沒(méi)有什么可以撼動(dòng)自己。t remember his appearance. 童年時(shí)，覺(jué)得壓歲錢和新衣服是過(guò)年必備，但是隨著年齡的推進(jìn)，會(huì)越來(lái)越發(fā)現(xiàn)，那些東西根本就可有可無(wú)；初中時(shí)，以為要有一場(chǎng)暗戀才意味著真正的成長(zhǎng)，但三年過(guò)去后，自己心平氣和的寫(xiě)同學(xué)錄的時(shí)候，突然就發(fā)現(xiàn)是不是真正的成長(zhǎng)了，好像并沒(méi)有那么重要了；然后到了高中，覺(jué)得非要吐露出自己的心聲才能為高中生涯里的懵懂情愫劃上一個(gè)句點(diǎn)，但畢業(yè)晚會(huì)的時(shí)候最終還是被梗塞在了咽喉，后來(lái)再次站在他曾經(jīng)揮汗如雨的球場(chǎng)，看著他投過(guò)籃球的球框時(shí)，突然間發(fā)現(xiàn)自己已經(jīng)想不起他的容顏。 Junior high school, thought to have a crush on just means that the real growth, but over the past three years later, his writing of alumni in peace, suddenly found that isn39?；蛟S是愧疚于自己似乎把轉(zhuǎn)瞬即逝的很多個(gè)不同的日子過(guò)成了同一天的樣子；或許是追溯過(guò)去，對(duì)自己那些近乎偏執(zhí)的怪異信念的醒悟，這些天以來(lái)，思緒一直很凌亂，在腦海中不斷糾纏。s governing body, has also ordered an immediate investigation into the referee39。opened disciplinary proceedings against CSKAs antiracism taskforce, is in London for the Football Association39。re clear about the terms of the agreement. It might be best to get advice from an experienced adviser, for example, at a Citizens Advice Bureau. damagesbased agreement. In England and Wales, your solicitor can39。appealedt agree with the disciplinary action your employer has taken against you雖然過(guò)去從未獨(dú)立應(yīng)用過(guò)它們，但在學(xué)習(xí)的過(guò)程中帶著問(wèn)題去學(xué)我發(fā)現(xiàn)效率很高，這是我做這次課程設(shè)計(jì)的又一收獲。我們?cè)谡n堂上掌握的僅僅是專業(yè)課的理論知識(shí)，如何去鍛煉我們的實(shí)踐能力？如何把我們所學(xué)的專業(yè)基礎(chǔ)課理論知識(shí)運(yùn)用到實(shí)踐中去呢？我想這次的課程設(shè)計(jì)對(duì)我們就是一種很好的鍛煉。消抖動(dòng) ACALL Delay20ms ACALL ScanKey2 JNC ScanKey4 CJNE A,B,ScanKey3ScanKey5: MOV A,P1 CJNE A,0FFH,ScanKey5 SETB C RETScanKey2: CLR A JNB ,ScanKey21 INC A JNB ,ScanKey21 INC A JNB ,ScanKey21 INC A JNB ,ScanKey21 INC A JNB ,ScanKey21 INC A JNB ,ScanKey21 INC A JNB ,ScanKey21 INC A JNB ,ScanKey21 CLR C RETScanKey21: SETB C RETDelay20ms: MOV R6,10Delay1: MOV R7,100 DJNZ R7,$ DJNZ R6,Delay1 RET。14號(hào)鍵，分別各錄音5秒，ISD1420可錄音20秒 SJMP KEY2 SJMP KEY3 SJMP KEY4 SJMP KEY5 。調(diào)用錄用子程序KEY_PLAY1: LCALL Delay_025S 。錄音時(shí)間，根據(jù)R7的值決定 LCALL ISD_STOP 。錄音時(shí)間長(zhǎng)度,5s LCALL ISD_REC 。********************************。循環(huán)進(jìn)行實(shí)驗(yàn)內(nèi)容介紹與ISD1420功能測(cè)試。掃描按鍵 JNC MainMain1: LCALL KeyRun 。32 Bytes StackCSEG AT 0000H 。1號(hào)鍵錄放音起始地址,每次錄音5sISD1420_AD2 EQU 10H 。關(guān)閉所有操作指令 SETB PLAYE MOV DPTR,ISDCOMM CLR A MOVX DPTR,A 。設(shè)置放音起始地址 MOVX DPTR,A CLR PLAYE 。REC變低，即開(kāi)始錄音 RET。設(shè)置操作模式命令在A中 CLR PLAYL 。允許手動(dòng)錄放音,當(dāng)A6,A7為高時(shí)，無(wú)法手動(dòng)放音 RET。錄放音地址/操作模式輸入地址,0F000H是接到CS1上的地址ISD1420_CODE SEGMENT CODERSEG ISD1420_CODE。ISD1420連接設(shè)置REC BIT 。地址端只用輸入，不輸出 操作過(guò)程的內(nèi)部地址信息。由于內(nèi)部的防混淆及平滑濾波器已設(shè)定，幫上述持 薦的時(shí)鐘頻率不應(yīng)改變。芯片內(nèi)部的采樣時(shí)鐘在出廠前已調(diào)校， 保證了標(biāo)稱的最小錄音時(shí)間。喇叭輸出（SP+、SP）這對(duì)輸出端能驅(qū)動(dòng)16Ω以上的喇叭。
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