【導(dǎo)讀】多功能電子數(shù)字鐘。一課程設(shè)計題目--------------------------------3. 三程序總體設(shè)計思路概述-------------------5. 四各模塊程序設(shè)計及流程圖----------------6. 五程序及程序說明見附錄-------------------**. 本次單片機課程設(shè)計在Proteus軟件仿真平臺下實現(xiàn)，完成。用8051單片機設(shè)計擴展6位數(shù)碼管的靜態(tài)或動態(tài)顯示電路，再連接幾個按鍵和一個蜂鳴器報警電路，設(shè)計出一個多功能。顯示（分屏切換顯示時分秒和年月日，修改時能定位閃。本次課程設(shè)計要求每個學(xué)生使用Proteus仿真軟件獨立設(shè)。計制作出電路圖、完成程序設(shè)計和系統(tǒng)仿真調(diào)試，驗收時。結(jié)果，評定成績分為：。完成“校時修改位閃”----良好。管,所以在P0口與8位數(shù)碼管之間加74LS373來驅(qū)動。key3用來顯示鬧鐘時間并做預(yù)置的開關(guān)，接于。,當(dāng)沒有出現(xiàn)T0,T1中斷時主程序在。判鍵并且計時器0在計時.每隔4ms定時器0溢出中斷,每中斷250次秒加一,每60秒分加一,時日月年依規(guī)。示日期或鬧鐘設(shè)置的時間,同時每個中斷子程序都是在判。器1中斷級別最高,同樣每4ms動態(tài)輪流顯示數(shù)碼管,此時。間,人工彈出按鍵,中斷結(jié)束返回主程序,在返回前關(guān)閉定

　　

【正文】 CLR F_BEEP JMP NWAIT_KEY NSW4_OK: MOV A,NMIN CJNE A,00,NSW4_OVER MOV NMIN,59 SETB F_BEEP LCALL DEL CLR F_BEEP JMP NWAIT_KEY NSW4_OVER:DEC NMIN 。鬧鐘分減 1 SETB F_BEEP LCALL DEL CLR F_BEEP JMP NWAIT_KEY 39 NSW5_OK: MOV A,NSEC CJNE A,59,NSW5_OVER MOV NSEC,00H SETB F_BEEP LCALL DEL CLR F_BEEP JMP NWAIT_KEY NSW5_OVER:INC NSEC 。號加 1 SETB F_BEEP LCALL DEL CLR F_BEEP JMP NWAIT_KEY NSW6_OK: MOV A,NSEC CJNE A,00,NSW6_OVER MOV NSEC,59 SETB F_BEEP LCALL DEL CLR F_BEEP JMP NWAIT_KEY NSW6_OVER:DEC NSEC 。號減 1 SETB F_BEEP LCALL DEL 40 CLR F_BEEP JMP NWAIT_KEY 。 T1_INT: PUSH ACC PUSH PSW MOV TH1,0F0H 。T1=4MS MOV TL1,060H INC LED_LP MOV A,LED_LP CJNE A,250,RCONT_SCAN 。250*4MS=1S MOV LED_LP,00H INC SEC MOV A,SEC CJNE A,60,RCONT_SCAN MOV SEC,00H INC MIN MOV A,MIN CJNE A,60,RCONT_SCAN MOV MIN,00H INC HOR 41 MOV A,HOR CJNE A,24,RCONT_SCAN MOV HOR,00H LCALL DEL RCONT_SCAN:JNB SW0,LPP1 JNB SW7,LPP2 LPP1:MOV A,YER LCALL BIN_BCD MOV LED2,B MOV LED1,A MOV A,MOT LCALL BIN_BCD MOV LED4,B MOV LED3,A MOV A,DAT LCALL BIN_BCD MOV LED6,B MOV LED5,A MOV A,LED_LP MOV B,08 DIV AB 42 MOV A,B RL A MOV DPTR,RTAB_SCAN JMP @A+DPTR RTAB_SCAN:AJMP RSCAN_L1 AJMP RSCAN_L2 AJMP RSCAN_L3 AJMP RSCAN_L4 AJMP RSCAN_L5 AJMP RSCAN_L6 AJMP RSCAN_L7 AJMP RSCAN_L8 RSCAN_L1: MOV DIG_PORT,0 MOV A,LED1 JMP REND_SCAN RSCAN_L2: MOV DIG_PORT,1 MOV A,LED2 JMP REND_SCAN RSCAN_L3: MOV DIG_PORT,2 MOV A,12 43 JMP REND_SCAN RSCAN_L4: MOV DIG_PORT,3 MOV A,LED3 JMP REND_SCAN RSCAN_L5: MOV DIG_PORT,4 MOV A,LED4 JMP REND_SCAN RSCAN_L6: MOV DIG_PORT,5 MOV A,12 JMP REND_SCAN RSCAN_L7: MOV DIG_PORT,6 MOV A,LED5 JMP REND_SCAN RSCAN_L8: MOV DIG_PORT,7 MOV A,LED6 REND_SCAN:MOV DPTR,TAB_LED MOVC A,@A+DPTR MOV LED_PORT,A POP PSW POP ACC 44 RETI 。 LPP2: MOV A,NHOR LCALL BIN_BCD MOV LED2,B MOV LED1,A MOV A,NMIN LCALL BIN_BCD MOV LED4,B MOV LED3,A MOV A,NSEC LCALL BIN_BCD MOV LED6,B MOV LED5,A MOV A,LED_LP MOV B,08 DIV AB MOV A,B RL A MOV DPTR,NTAB_SCAN JMP @A+DPTR NTAB_SCAN:AJMP NSCAN_L1 45 AJMP NSCAN_L2 AJMP NSCAN_L3 AJMP NSCAN_L4 AJMP NSCAN_L5 AJMP NSCAN_L6 AJMP NSCAN_L7 AJMP NSCAN_L8 NSCAN_L1: MOV DIG_PORT,0 MOV A,LED1 JMP NEND_SCAN NSCAN_L2: MOV DIG_PORT,1 MOV A,LED2 JMP NEND_SCAN NSCAN_L3: MOV DIG_PORT,2 MOV A,11 JMP NEND_SCAN NSCAN_L4: MOV DIG_PORT,3 MOV A,LED3 JMP NEND_SCAN NSCAN_L5: MOV DIG_PORT,4 46 MOV A,LED4 JMP NEND_SCAN NSCAN_L6: MOV DIG_PORT,5 MOV A,11 JMP NEND_SCAN NSCAN_L7: MOV DIG_PORT,6 MOV A,LED5 JMP NEND_SCAN NSCAN_L8: MOV DIG_PORT,7 MOV A,LED6 NEND_SCAN:MOV DPTR,TAB_LED MOVC A,@A+DPTR MOV LED_PORT,A POP PSW POP ACC RETI END