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单片机-学号显示

来源:尚车旅游网
学号显示 ORG 0000H MOV SP,#30H MOV R0,#77H MOV @R0,#05H INC R0

MOV @R0,#01H INC R0

MOV @R0,#11H INC R0

MOV @R0,#03H INC R0

MOV @R0,#00H INC R0

MOV @R0,#11H INC R0

MOV @R0,#08H INC R0

MOV @R0,#00H DLR:MOV R0,#7EH MOV R3,#01H LD0: MOV P2,R3 MOV A,@R0

MOV DPTR,#DSEG1 MOVC A,@A+DPTR MOV P0,A ACALL DELAY DEC R0 MOV A,R3 JB ACC.7,DLR RL A MOV R3,A AJMP LD0 DSEG1:DB

0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,88H,83H,0C6H,0A1H,86H,8EH,0FFH,077H

DELAY:MOV R6,#0AH LOOP1:MOV R4,#H LOOP2:NOP NOP NOP DJNZ R4,LOOP2 DJNZ R6,LOOP1 RET

END

开关控制50MS方波 ORG 0000H AJMP MAIN ORG 0003H AJMP LOOP1

MAIN:MOV TCON,#01H SETB EA SETB ET0 MOV SP,#30H LOOP2:JNB P1.0,LOOP SJMP LOOP2

LOOP:MOV TMOD,#01H MOV TH0,#0CFH MOV TL0,#2CH SETB TR0

LOOP3:JNB P1.1,LOOP5 JBC TF0,LOOP4 AJMP LOOP3

LOOP4:MOV TH0,#0CFH MOV TL0,#2CH CPL P1.2 AJMP LOOP3 LOOP5:SETB IE0 LOOP1:CLR P1.2

LOOP6:JNB P1.0,LOOP SJMP LOOP6 END

双按键控制50MS方波 ORG 0000H MOV SP,#30H

LOOP2:JNB P1.0,LOOP SJMP LOOP2

LOOP:MOV TMOD,#01H MOV TH0,#0CFH MOV TL0,#2CH LOOP3:LCALL DELAY SETB TR0

LOOP6:JNB P1.1,LOOP1 JBC TF0,LOOP4 AJMP LOOP6

LOOP4:MOV TH0,#0CFH MOV TL0,#2CH CPL P1.2

AJMP LOOP6 LOOP1:CLR TR0 CLR P1.2

LCALL DELAY LOOP5:JNB P1.0,LOOP3 SJMP LOOP5

DELAY:MOV R6,#0AH LOOP7:MOV R4,#H LOOP8:NOP NOP NOP DJNZ R4,LOOP8 DJNZ R6,LOOP7 RET END

双按键控制2:5方波 ORG 0000H LJMP MAIN ORG 0003H LCALL DELAY LJMP LOOP ORG 0013H LCALL DELAY LJMP LOOP5

MAIN:MOV TMOD,#11H MOV SP,#30H MOV TCON,#00H MOV IE,#85H MOV IP,#05H SJMP $

LOOP:MOV IP,#04H CLR EX0 SETB EX1 LCALL FH

MOV TH1,#0B1H MOV TL1,#0E0H SETB TR1

LOOP2:JBC TF1,LOOP1 AJMP LOOP2 LOOP1:CPL P1.2 MOV TH0,#8AH MOV TL0,#0D0H

SETB TR0

LOOP3:JBC TF0,LOOP4 AJMP LOOP3 LOOP4:CPL P1.2 AJMP LOOP LOOP5:CLR P1.2 MOV IP,#01H SETB EX0 CLR EX1 LCALL FH SJMP $ FH:RETI

DELAY:MOV R6,#0AH LOOP7:MOV R4,#H LOOP8:NOP NOP NOP DJNZ R4,LOOP8 DJNZ R6,LOOP7 RET END

单按键控制2:5方波 ORG 0000H LJMP MAIN ORG 0003H JC LOOP5 LJMP LOOP

MAIN:MOV TMOD,#11H MOV SP,#30H MOV TCON,#00H MOV IE,#81H SJMP $ LOOP:SETB C LCALL FH LCALL DELAY LOOP6:MOV TH1,#0B1H MOV TL1,#0E0H SETB TR1

LOOP2:JBC TF1,LOOP1 AJMP LOOP2 LOOP1:CPL P1.2 MOV TH0,#8AH MOV TL0,#0D0H

SETB TR0

LOOP3:JBC TF0,LOOP4 AJMP LOOP3 LOOP4:CPL P1.2 AJMP LOOP6 LOOP5:CLR P1.2 CLR C LCALL FH LCALL DELAY SJMP $ FH:RETI

DELAY:MOV R6,#0AH LOOP7:MOV R4,#H LOOP8:NOP NOP NOP DJNZ R4,LOOP8 DJNZ R6,LOOP7 RET END

8255的PC口上4按键4数码管 ORG 0000H MOV SP,#30H

MOV DPTR,#8003H MOV A,#81H

MOVX @DPTR,A KEY:ACALL KS JNZ LK1 ACALL DELAY AJMP KEY

LK1:ACALL DELAY ACALL DELAY ACALL KS JNZ LK2 ACALL DELAY AJMP KEY

LK2:MOV DPTR,#8002H MOVX A,@DPTR JNB ACC.0,LOOP0 JNB ACC.1,LOOP1 JNB ACC.2,LOOP2 JNB ACC.3,LOOP3 AJMP KEY

LOOP0:MOV DPTR,#8002H MOV A,#10H

MOVX @DPTR,A AJMP KEY

LOOP1:MOV DPTR,#8002H MOV A,#20H

MOVX @DPTR,A AJMP KEY

LOOP2:MOV DPTR,#8002H MOV A,#40H

MOVX @DPTR,A AJMP KEY

LOOP3:MOV DPTR,#8002H MOV A,#80H

MOVX @DPTR,A AJMP KEY

KS:MOV DPTR,#8002H MOVX A,@DPTR CPL A

ANL A,#0FH RET

DELAY:MOV R6,#0AH LOOP7:MOV R4,#H LOOP8:NOP NOP NOP DJNZ R4,LOOP8 DJNZ R6,LOOP7 RET END

8255的PA口上输出500us方波 ORG 0000H MOV SP,#30H

MOV DPTR,#8003H MOV A,#81H

MOVX @DPTR,A MOV TMOD,#10H CLR ET1

LOOP2:MOV TH1,#0FFH MOV TL1,#90H SETB TR1

LOOP:JBC TF1,LOOP1 AJMP LOOP

LOOP1:MOV DPTR,#8000H

MOV A,#01H

MOVX @DPTR,A AJMP LOOP3 LOOP3:MOV TH1,#0FFH MOV TL1,#90H SETB TR1

LOOP4:JBC TF1,LOOP5 AJMP LOOP4

LOOP5:MOV DPTR,#8000H MOV A,#00H

MOVX @DPTR,A AJMP LOOP2 END

8255置位与复位应用 ORG 0000H MOV SP,#30H

MOV DPTR,#8003H MOV A,#80H

MOVX @DPTR,A

LOOP1:MOV DPTR,#8003H MOV A,#01H

MOVX @DPTR,A ACALL DELAY MOV A,#03H

MOVX @DPTR,A ACALL DELAY MOV A,#05H

MOVX @DPTR,A ACALL DELAY MOV A,#07H

MOVX @DPTR,A ACALL DELAY MOV A,#09H

MOVX @DPTR,A ACALL DELAY MOV A,#0BH MOVX @DPTR,A ACALL DELAY MOV A,#0DH MOVX @DPTR,A ACALL DELAY MOV A,#0FH MOVX @DPTR,A ACALL DELAY

MOV A,#0EH MOVX @DPTR,A ACALL DELAY MOV A,#0CH MOVX @DPTR,A ACALL DELAY MOV A,#0AH MOVX @DPTR,A ACALL DELAY MOV A,#08H

MOVX @DPTR,A ACALL DELAY MOV A,#06H

MOVX @DPTR,A ACALL DELAY MOV A,#04H

MOVX @DPTR,A ACALL DELAY MOV A,#02H

MOVX @DPTR,A ACALL DELAY MOV A,#00H

MOVX @DPTR,A ACALL DELAY

LJMP LOOP1

DELAY:MOV R6,#H LOOP6:MOV R5,#0AH LOOP7:MOV R4,#H LOOP8:NOP NOP NOP DJNZ R4,LOOP8 DJNZ R5,LOOP7 DJNZ R6,LOOP6 RET END

U119XTAL1P0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD393837363534333221222324252627281011121314151617347813141718111U3D0D1D2D3D4D5D6D7OELE74LS373Q0Q1Q2Q3Q4Q5Q6Q725691215161934333231302928275369835274LS046U2D0D1D2D3D4D5D6D7RDWRA0A1RESETCSPA0PA1PA2PA3PA4PA5PA6PA7PB0PB1PB2PB3PB4PB5PB6PB7PC0PC1PC2PC3PC4PC5PC6PC78255ALED-GREEN43214039383718192021222324251415161713121110ABCD18XTAL29RST293031PSENALEEAU4:A1R4R1R2R347047047047012345678P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.780C51D1D3LED-GREEND2LED-GREEND4LED-GREENR8470R7470R70R70 U119XTAL1P0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161718XTAL29RST293031PSENALEEA12345678P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.780C51U119XTAL1P0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161718XTAL2R04709R1470RST293031PSENALEEADCBA12345678P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.780C51U119XTAL1P0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD393837363534333221222324252627281011121314151617R1470R247018XTAL29RST293031PSENALEEADCBA12345678P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.780C51

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