南昌大學(xué)單片機(jī)實(shí)驗(yàn)(參考版)
2025-06-19 23:24本頁(yè)面
【正文】 第六步：實(shí)驗(yàn)板上電。第三步：點(diǎn)擊“OPEN”按鈕，選擇目標(biāo)文件。延時(shí)返回END附件STC單片機(jī)串口下載方法第一步：。延時(shí)返回delay:mov 55h,20 。時(shí)十位 MOV IE,10000010B MOV TMOD,01H MOV TH0,4CH MOV TL0,00H SETB TR0DISPLAY: CLR SETB MOV DPTR,TAB MOV A,40H MOVC A,A+DPTR MOV P0,A CLR SETB MOV P0,0FFH CLR CLR CALL delayxms JB ,NEXT JNB 30H,NEXTN CALL delay JB ,NEXT CLR 30H MOV A,40H ADD A,1 MOV 40H,A CJNE A,10,NEXTN MOV 40H,00H MOV A,41H ADD A,01H MOV 41H,A CJNE A,06H,NEXTN MOV 41H,00H LJMP NEXTN NEXT : SETB 30H NEXTN: CLR SETB MOV DPTR,TAB MOV A,41H MOVC A,A+DPTR MOV P0,A CLR SETB MOV P0,0FFH CLR CLR CALL delayxms JB ,NEXT1 JNB 31H,NEXTN1 CALL delay JB ,NEXT1 CLR 31H MOV A,42H ADD A,1 MOV 42H,A CJNE A,10,NEXTN1 MOV 42H,00H MOV A,43H ADD A,01H MOV 43H,A CJNE A,06H,NEXTN1 MOV 43H,00H LJMP NEXTN1 NEXT1 : SETB 31H NEXTN1: CLR SETB MOV DPTR,TAB MOV A,42H MOVC A,A+DPTR ORL A,80H MOV P0,A CLR SETB MOV P0,0FFH CLR CLR CALL delayxms CLR SETB MOV DPTR,TAB MOV A,43H MOVC A,A+DPTR MOV P0,A CLR SETB MOV P0,0FFH CLR CLR CALL delayxms CLR SETB MOV DPTR,TAB MOV A,44H MOVC A,A+DPTR ORL A,80H MOV P0,A CLR SETB MOV P0,0FFH CLR CLR CALL delayxms JB ,NEXT2 JNB 32H,NEXTN2 CALL delay JB ,NEXT2 CLR 32H MOV A,45H CJNE A,2,HH MOV A,44H ADD A,1 MOV 44H,A CJNE A,4,HL MOV 44H,0 MOV 45H,0 HL: LJMP NEXTN2 HH: MOV A,44H ADD A,1 MOV 44H,A CJNE A,10,NEXTN2 MOV 44H,00H MOV A,45H ADD A,01H MOV 45H,A CJNE A,06H,NEXTN2 MOV 45H,00H LJMP NEXTN2 NEXT2 : SETB 32H NEXTN2: CLR SETB MOV DPTR,TAB MOV A,45H MOVC A,A+DPTR MOV P0,A CLR SETB MOV P0,0FFH CLR CLR CALL delayxms LJMP DISPLAYORG 300HTIM0: MOV TH0,4CH MOV TL0,00H DJNZ R0,OUT MOV R0,20 MOV A,40H ADD A,1 CJNE A,10,SECL MOV 40H,00H MOV A,41H ADD A,1 CJNE A,6,SECH MOV 41H,00H MOV A,42H ADD A,1 CJNE A,10,MINL MOV 42H,00H MOV A,43H ADD A,1 CJNE A,6,MINH MOV 43H,00H MOV A,44H ADD A,1 PUSH A MOV A,45H CJNE A,2,HOUL1 POP A CJNE A,4,HOUL MOV 44H,00H MOV 45H,00H LJMP OUTHOUL1: POP A CJNE A,10,HOUL MOV 44H,00H MOV A,45H ADD A,1 MOV 45H,A LJMP OUTHOUL: MOV 44H,A LJMP OUTSECL: MOV 40H,A LJMP OUTSECH: MOV 41H,A LJMP OUTMINL: MOV 42H,A LJMP OUTMINH: MOV 43H,A LJMP OUTOUT: RETITAB: DB 3fh,06h,5bh,4fh,66h,6dh,7dH,07h,7fh,6fhdelayxms:mov 52h,4 。分十位 MOV 44H,3。秒十位 MOV 42H,9。
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