太原理工大学课程设计
附3：硬件原理图
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太原理工大学课程设计
REST0U119XTAL1C222PF18XTAL29RSTP0.0/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/RD39383736353433322122232425262728U2:AD0D1D2D3D4D5D6D7U0174LS142S0D0D1D2D3D4D5D6D7U63433323130292827D0D1D2D3D4D5D6D7RDWRA0A1RESETCSPA0PA1PA2PA3PA4PA5PA6PA7PB0PB1PB2PB3PB4PB5PB6PB7PC0PC1PC2PC3PC4PC5PC6PC743214039383718192021222324251415161713121110PC0PC1PC2PC3PC4PC5PC6PC7POW1PA3PA4PA5PA6PA7U3D0D1D2D3D4D5D6D7347813141718D0D1D2D3D4D5D6D7OELE74LS373Q0Q1Q2Q3Q4Q5Q6Q7C322PFR4E010k293031PSENALEEA2Q05Q1695*01236W0159Q0168Q11935REST0S06PA0PA1PA2PA3POW1PA4PA5X0PA6PA7&0U598RSRG8POW1X0398RSRG8C1/->C1/->312&1DA64A55A46A0A012&1DB04B15B26B310B411B512B6131GROUD011U0E0A310A211A11213A074LS164Y0R210kC11nF12345678P1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7AT89C5110&011X0121314POW11516W017*0A8R3GROUD022R522GROUD0A08255APA2PA0A8A1A2A3A4A5A6B6B5B4B3B2B1B0B6B5PC0B4PA1R9PC1R8LS1PC2R7PC3SPEAKERR6R1Y010OQ2PNPPC4R5RP1R9R8R7R6R5R4R3R2987654321RESPACK-8GROUD0PC5R4PC6R3PC7R2
附4：源程序代码
ORG 0000H LJMP MAIN ORG 0003H LJMP INT0 ORG 001BH LJMP INT1 ORG 0100H
MAIN: SETB EA SETB EX0 SETB ET1 MOV SCON, #00H MOV DPTR,#0FFFFFH MOV A,#89H
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太原理工大学课程设计
MOVX @DPTR,A KEY: ACALL KS1 JNZ LK1 NI: ACALL DELAY AJMP KEY LK1: ACALL DELAY ACALL DELAY ACALL KS1 JNZ LK2 AJMP NI LK2: MOV R2,#0FEH MOV R4,#00H LK4:MOV DPTR,#0FFFCH MOV A,R2 MOVX @DPTR,A INC DPL INC DPL MOVX A,@DPTR JB ACC.0 ,L1 MOV A,#00H LJMP LKP L1:JB ACC.1, L2 MOV A,#08H LJMP LKP L2:JB ACC.2, L3 MOV A,#16 LJMP LKP L3:JB ACC.3 ,L4 MOV A,#24 LJMP LKP L4:JB ACC.4 ,L5
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太原理工大学课程设计
MOV A,#32 LJMP LKP L5:JB ACC.5 ,L6 MOV A,#40 LJMP LKP L6:JB ACC.6 ,L7 MOV A,#48 LJMP LKP L7:JB ACC.7, NEXT MOV A,#56 LKP:ADD A,R4 PUSH ACC LK3:ACALL DELAY ACALL KS1 JNZ LK3 POP ACC LJMP L8 NEXT:INC R4 MOV A,R2 JNB ACC.7,KND RL A MOV R2,A AJMP LK4 KND:AJMP KEY
KS1: MOV DPTR,#0FFFCH MOV A,#00H MOVX @DPTR,A INC DPL INC DPL MOVX A,@DPTR CPL A
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太原理工大学课程设计
RET
L8: MOV 40H,A MOV B,#0AH DIV AB MOV 50H,A MOV 51H,B SETB RS0 MOV R2,#02 MOV R0,#51H DL0:MOV A,@R0 MOV DPTR,#TAB MOVC A,@A+DPTR MOV SBUF,A DL1:JNB TI,DL1 CLR TI
DEC R0 DJNZ R2,DL0 CLR RS0
MOV TMOD,#10H MOV TH1,#0D8H MOV TL1,#0F0H SETB EA SETB ET1 SETB TR1 MOV 52H,#100 MOV 53H,#3 LJMP MAIN
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