【正文】 程序下載到 AT89S51 單片機(jī)中。至此，我們?cè)?Keil uVision2 上做了一個(gè)完整工程的全過程。二 硬件 ISIS 7 Professional 的調(diào)試（一）進(jìn)入 Proteus ISIS 雙擊桌面上的 ISIS 6 Professional 圖標(biāo)或者單擊屏幕左下方的 “開始”→“程序”→“Proteus 6 Professional” →“ISIS 6 Professional”。（二）步驟1）電路圖的繪制 1 將所需元器件加入到對(duì)象選擇器窗口。Picking Components into the Schematic 2 放置元器件至圖形編輯窗口 Placing Components onto the Schematic3 仿真 雙擊單片機(jī)芯片，彈出對(duì)話框，在 Program File 文件單擊預(yù)覽按鈕， 文件所在路徑，選中文件，打開，單擊 OK，.hex 文件即被加載到單片機(jī)中，然后單擊 Play 按鈕即可仿真。35 / 44二、實(shí)驗(yàn)程序（1）第一個(gè)實(shí)驗(yàn)的設(shè)計(jì)程序：ORG 0000H 。初始化 AJMP START ORG 000BH LJMP TIME0 ORG 0030HSTART:MOV R1,00H MOV R2,00H MOV R3,00H MOV R4,00H MOV R5,00H MOV TMOD,01H MOV TH0,3CH MOV TL0,0B0H MOV IE,82H SETB TR0 MOV DPTR,TAB。================MAIN: MOV P1,R2 。單片機(jī)輸出 MOV A,R3 MOVC A,@A+DPTR MOV P2,A INC R3 MOV A,R3 MOVC A,@A+DPTR MOV P0,A INC R336 / 44 MOV P3,R4 LCALL DELAY1MS INC R2 CJNE R2,16,MAIN MOV R2,0 INC R4 CJNE R4,4,MAIN MOV R3,0 MOV R4,0 LJMP MAIN。===============TIME0:INC R5 。移動(dòng)顯示 CJNE R5,3,NEXT MOV R5,0 INC DPTR INC DPTR INC R1CJNE R1,144,NEXT MOV R1,0 MOV DPTR,TABNEXT: MOV TH0,3CH MOV TL0,0B0H RETI。================DELAY1MS:MOV R7,2 。延時(shí)DEL: MOV R6,250 DJNZ R6,$ DJNZ R7,DEL RET37 / 44。================TAB:DB 00H,00H,00H,04H,0FFH,0FEH,04H,40H,04H,40H,04H,44H,7FH,0FEH,44H,44HDB 44H,44H,44H,44H,44H,44H,48H,34H,50H,04H,40H,04H,7FH,0FCH,40H,04HDB 02H,00H,01H,00H,7FH,0FEH,40H,02H,82H,04H,02H,00H,02H,04H,0FFH,0FEHDB 04H,20H,08H,20H,18H,20H,06H,40H,01H,80H,02H,40H,0CH,30H,30H,10HDB 00H,08H,3FH,0FCH,21H,08H,21H,08H,21H,08H,3FH,0F8H,21H,08H,21H,08HDB 21H,08H,3FH,0F8H,20H,08H,02H,00H,51H,88H,50H,96H,90H,12H,0FH,0F0HDB 00H,04H,47H,0FEH,34H,20H,14H,20H,84H,44H,65H,0FEH,25H,04H,0DH,0FCHDB 15H,04H,25H,0FCH,0E4H,20H,24H,0A8H,29H,0A6H,2AH,22H,30H,0A0H,20H,40HDB 22H,08H,11H,08H,11H,10H,00H,20H,7FH,0FEH,40H,02H,80H,04H,1FH,0E0HDB 00H,40H,01H,84H,0FFH,0FEH,01H,00H,01H,00H,01H,00H,05H,00H,02H,00HDB 00H,80H,78H,40H,4FH,0FEH,54H,02H,58H,14H,63H,0F8H,50H,00H,48H,08HDB 4FH,0FCH,48H,0A0H,68H,0A0H,50H,0A0H,41H,22H,41H,22H,42H,1EH,4CH,00H。豎DB 20H,00H,23H,0FFH,22H,02H,22H,0AH,22H,12H,3FH,0E2H,22H,02H,22H,02HDB 22H,02H,3FH,0E2H,22H,12H,22H,12H,22H,02H,67H,0FFH,22H,00H,00H,00HDB 09H,00H,31H,00H,21H,01H,21H,21H,21H,62H,21H,92H,0AFH,14H,61H,08HDB 21H,08H,21H,14H,21H,0E2H,21H,03H,21H,00H,2BH,00H,31H,00H,00H,00H38 / 44DB 00H,02H,00H,0CH,7FH,0E0H,44H,4EH,44H,41H,44H,41H,44H,51H,7FH,0C9HDB 44H,4DH,44H,41H,44H,41H,44H,47H,0FFH,0E8H,40H,04H,00H,06H,00H,00HDB 08H,20H,44H,20H,26H,7FH,30H,82H,01H,0CH,7FH,0F0H,40H,04H,47H,0C8HDB 45H,5AH,4DH,41H,75H,7EH,45H,40H,45H,50H,0CFH,0C8H,44H,0CH,00H,00HDB 02H,20H,0CH,20H,88H,20H,69H,20H,09H,20H,09H,22H,89H,21H,69H,7EHDB 09H,60H,09H,0A0H,19H,20H,28H,20H,0C8H,20H,0AH,60H,0CH,20H,00H,00HDB 00H,00H,7FH,0FFH,44H,20H,5AH,10H,69H,0E1H,30H,81H,24H,82H,24H,8CHDB 0A4H,0F0H,64H,80H,24H,0FCH,2CH,82H,25H,82H,28H,82H,30H,0EH,00H,00HEND。39 / 44第二個(gè)實(shí)驗(yàn)的設(shè)計(jì)程序：ORG 00HSTART: NOPMOV R3,3LOP2: MOV R4,8MOV R2,0LOP1: MOV P1,0FFHMOV DPTR,TABAMOV A,R2MOVC A,@A+DPTRMOV P3,AINC R2LCALL DELAYDJNZ R4,LOP1DJNZ R3,LOP2MOV R3,3LOP4: MOV R4,8MOV R2,7LOP3: MOV P1,0FFHMOV DPTR,TABAMOV A,R2MOVC A,@A+DPTRMOV P3,ADEC R2LCALL DELAYDJNZ R4,LOP3DJNZ R3,LOP4MOV R3,340 / 44LOP6: MOV R4,8MOV R2,0LOP5: MOV P3,00HMOV DPTR,TABBMOV A,R2MOVC A,@A+DPTRMOV P1,AINC R2LCALL DELAYDJNZ R4,LOP5DJNZ R3,LOP6MOV R3,3LOP8: MOV R4,8MOV R2,7LOP7: MOV P3,00HMOV DPTR,TABBMOV A,R2MOVC A,@A+DPTRMOV P1,ADEC R2LCALL DELAYDJNZ R4,LOP7DJNZ R3,LOP8LJMP STARTDELAY: MOV R5,10D2: MOV R6,20D1: MOV R7,248DJNZ R7,$41 / 44DJNZ R6,D1DJNZ R5,D2RETTABA: DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,07FHTABB: DB 01H,02H,04H,08H,10H,20H,40H,80HEND42 / 44總結(jié)本設(shè)計(jì)當(dāng)中我使用了簡(jiǎn)短的匯編程序，第一個(gè)的實(shí)現(xiàn)，同時(shí)就在 LED 顯示屏上實(shí)現(xiàn)了漢字的左移滾動(dòng)顯示效果。而它在設(shè)計(jì)當(dāng)中，采用了的芯片有AT89C574LS3774LS1374HC154 和 4 個(gè) 1616LED 點(diǎn)陣顯示器。第二個(gè)的實(shí)現(xiàn)，在 LED 顯示屏上實(shí)現(xiàn)了圖樣從左到右，從上到下的顯示效果，第一個(gè)的顯示特點(diǎn)：（1）.使其內(nèi)容能從右向左浮動(dòng)顯示。 （2）.硬件部分的結(jié)構(gòu)簡(jiǎn)單，同時(shí)它也應(yīng)用廣泛。 （3）.LED 數(shù)碼管是動(dòng)態(tài)掃描顯示的結(jié)果，它的工作效率高，價(jià)格低廉等等。第二個(gè)顯示特點(diǎn)同第一個(gè)特點(diǎn)類似。本次點(diǎn)陣 LED 的設(shè)計(jì)，它的理論知識(shí)學(xué)習(xí)和實(shí)際設(shè)計(jì)同時(shí)相結(jié)合，從而使我得到鍛煉，我也綜合的運(yùn)用了所學(xué)的專業(yè)基礎(chǔ)知識(shí)解決了實(shí)際的工程問題能力，同時(shí)也提高了我查閱文獻(xiàn)資料、設(shè)計(jì)手冊(cè)、設(shè)計(jì)規(guī)范和電腦制圖等等，其他專業(yè)能力的水平，得到了充分的鍛煉，而且通過對(duì)這個(gè)實(shí)驗(yàn)的整體掌控，對(duì)其局部的取舍，也對(duì)細(xì)節(jié)的處理，使我得到了很大的提升，同時(shí)也積累了豐富的經(jīng)驗(yàn)。這次的實(shí)驗(yàn)不僅為后繼的學(xué)習(xí)和工作奠定的基礎(chǔ)。而且讓我更加充分的認(rèn)識(shí)自己，知道做一些事情的過程，對(duì)我以后的生活都打下了很好的基礎(chǔ)。43 / 44參考文獻(xiàn)[1]：西安電子科技大學(xué)出版社，2022[2]李群芳，、：清華大學(xué)出版社，2022[3]：清華大學(xué)出版社，2022[4]戴梅萼，(第 3 版).北京：清華大學(xué)出版社，2022[5]江曉安，(第二版). 西安：西安電子科技大學(xué)出版社，2022 44 / 44