基于單片機(jī)的多功能秒表系統(tǒng)課程設(shè)計(jì)-資料下載頁
2025-06-02 22:37本頁面
【正文】 。停止程序 CLR TR1 ACALL DISP SJMP HERE RESET: CLR TR0 。復(fù)位程序 CLR TR1 MOV 20H, 00H MOV 30H, 00H MOV 31H, 00H ACALL DISP SJMP HERE JILU : MOV A,20H 。暫停記錄程序 MOV @R1, A INC R1 DJNZ R2, HERE MOV R1, 71H SJMP STOP XIAFAN: MOV A,@R1 。下翻程序 單片機(jī) 課程設(shè)計(jì)報(bào)告 23 MOV 20H, A MOV B, 0AH DIV AB MOV 31H, A MOV 30H, B LCALL DISP INC R1 DJNZ R2, HERE MOV R1, 74H SJMP STOP SHANGFAN:MOV A,@R1 。上翻程序 MOV 20H, A MOV B, 0AH DIV AB MOV 31H, A MOV 30H, B LCALL DISP DEC R1 DJNZ R3, HERE MOV R1, 71H SJMP STOP KUAIJIA:SETB TR1 。快加程序 CLR TR0 HEE: JNB TF1, HEE CLR TF1 ACALL JIA1 ACALL DISP JNB , STOP SJMP HEE HERE: LJMP ML1 ZHONGDUAN: SETB TR0 。啟動(dòng)定時(shí)器 0 CLR TR1 RETI TIME1: PUSH ACC 。定時(shí) 1秒 PUSH PSW MOV TH0, 0D8H MOV TL0, 0F0H DJNZ 40H, RET0 LCALL JIA1 LCALL DISP MOV 40H, 100 RET0: POP PSW POP ACC RETI TIME10: PUSH ACC 。定時(shí) 10毫秒 PUSH PSW MOV TH0, 0D8H MOV TL0, 0F0H RET1: POP PSW 單片機(jī) 課程設(shè)計(jì)報(bào)告 24 POP ACC RETI JIA1: MOV A,20H 。加 1 CLR C INC A CJNE A, 100, GO1 MOV 20H, 00H RET GO1: MOV 20H, A MOV B, 0AH DIV AB MOV 31H, A MOV 30H, B RET DISP: MOV R0,30H 。顯示 MOV R3, 0FEH MOV A, R3 PLAY: MOV P2, A MOV A,@R0 MOV DPTR, DSEG1 MOVC A,@A+DPTR MOV P0, A LCALL DL1 MOV P2, 0FFH MOV A, R3 RL A JNB , LD1 INC R0 MOV R3, A LJMP PLAY LD1: RET DL1: MOV R7, 05H DL: MOV R6, 0FFH DL6: DJNZ R6, $ DJNZ R7, DL RET DELAY10:MOV R4,14H 。延時(shí) 10毫秒 DL00: MOV R5, 0FFH DL11: DJNZ R5, DL11 DJNZ R4, DL00 RET DSEG1: DB 3FH, 06H, 5BH, 4FH, 66H DB 6DH, 7DH, 07H, 7FH, 6FH END 單片機(jī) 課程設(shè)計(jì)報(bào)告 25附 2：系統(tǒng)原理圖 ： C1 33pC2 33pX1 CRYSTAL234567891RP1RESPACK8XTAL218XTAL119ALE30EA31PSEN29RST9P0.0/AD039P0.1/AD138P0.2/AD237P0.3/AD336P0.4/AD435P0.5/AD534P0.6/AD633P0.7/AD732P1.01P1.12P1.23P1.34P1.45P1.56P1.67P1.78P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.7/RD17P3.6/WR16P3.5/T115P2.7/A1528P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A1427U1 AT89C51C3 33pR1 1kR2 1kR3 1kR4 1kR5 1kR6
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