MCS-51 单片机设计应用程序实例 - Read

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DJNZ R3,LOOP2 RET MCS-51 系列单片机设计实例 TAB: DB 0EFH,83H,0ABH,83H,0ABH,83H,0EEH,0E0H ; 电 ; END DB 0FFH,0C7H,0EFH,83H,0EFH,0EFH,0CFH,0EFH ; 子 DB 0B1H,0B5H,04H,0BFH,0B1H,0B5H,9BH,0A4H ; 设 DB 0BBH,0BBH,1BH,0A0H,0BBH,0BBH,9BH,0BBH ; 计 DB 00H,00H,00H,00H PDF created with FinePrint pdfFactory trial version http://www.fineprint.com 18
说明: MCS-51 系列单片机设计实例例 4 八路输入模拟信号的数值显示电路采用 0809 作 A/D 转换器,AT89C52 作控制器,CD14024 作 2 分频器。开机后能自动轮流显示 8路输入的模拟电压值,输入电压在 0—5V 范围内,显示值在 0—255 范围内。八路模拟信号数值测量显示电路 PDF created with FinePrint pdfFactory trial version http://www.fineprint.com 19
Page 1 and 2: MCS-51 系列单片机设计
Page 3 and 4: ;************; ; 初始化程序 ;
Page 5 and 6: ;************; ; 延时程序 ; ;*
Page 7 and 8: ; ; ; ORG 0003H RETI ORG 000BH LJMP
Page 9 and 10: ; INTT1: PUSH ACC PUSH PSW MOV TL1,
Page 11 and 12: ; WAITH: JNB P3.7,WAITH LJMP START1
Page 13 and 14: 说明: MCS-51 系列单片机
Page 15 and 16: ; MOV A,R3 INC A MOV R3,A INC R1 DJ
Page 17: OUT: RET INC R0 DJNZ R2,MOV1 MOV R2
Page 21 and 22: ; RET ;****************************
Page 27 and 28: ;**********************************
Page 29 and 30: ; NOP NOP NOP NOP DJNZ R2,LOWBACKTM
Page 31 and 32: ; AJMP READHEAD READDATA00: MOV R3,
Page 33 and 34: SETB REMOTEIN MCS-51 系列单
Page 37 and 38: ;**********************************
Page 39 and 40: ADD A,B MCS-51 系列单片机
Page 41 and 42: ; RET KEYFUN12: MOV A,#0EH ; LJMP R
Page 43 and 44: DL10MS: MOV R3,#14H DL10MS1: LCALL
Page 45 and 46: ; ORG 000BH RETI ORG 0013H RETI ORG
Page 47 and 48: DEC A JZ FUN9 DEC A JZ FUN10 DEC A
Page 49 and 50: LOOP: MOV A,P1 SUBB A,#0FFH JZ LOOP
Page 51 and 52: ; ; MCS-51 系列单片机设
Page 53 and 54: ;;;;;;;;;;;;;;;;;;;; ;; PROGRAM STA
Page 55 and 56: MOV A,71H MCS-51 系列单片
Page 57 and 58: NOP NOP NOP NOP CLR VSCL SETB VSDA
Page 59 and 60: ; ;;;;;;;;;;;;;;;;;;;; ;;DISPLAY PR
Page 61 and 62: ; ; ;;;;;;;;;;;;;;;;; ; DL1MS ;; ;;
Page 63 and 64: ; KKK: MOV A,15H RLC A MOV 15H,A MO
Page 65 and 66: 3. 传感脉冲检测电路 MCS-51
Page 67 and 68: ; MOV 23H,#00H CLR 30H SETB ET1 SET
Page 69 and 70:
; CPL P3.6 CPL P3.7 LCALL DS50MS LC
Page 71 and 72:
RETT0: POP PSW POP ACC RETI ;;;;;;;
Page 73 and 74:
说明: MCS-51 系列单片机
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;**********************************
Page 77 and 78:
LCALL REMOTE RET KEYFUN06: MOV A,#0
Page 79 and 80:
MCS-51 系列单片机设计
Page 81 and 82:
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; ORG 0013H ORG 001BH ORG 0023H LJM
Page 87 and 88:
LJMP REMOTE KEY1: LCALL DELAY JB P0
Page 89 and 90:
LJMP READOUT0 FRT: CLR P0.4 LJMP RE
Page 91 and 92:
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NOP NOP NOP NOP NOP NOP NOP DJNZ R0
Page 95 and 96:
;**********************************
Page 97 and 98:
READ21: INC A READ22: JNB P1.0,READ
Page 99 and 100:
说明: MCS-51 系列单片机
Page 101 and 102:
; MCS-51 系列单片机设
Page 103 and 104:
MOV A,P1 ANL A,#0F0H CJNE A,#0F0H,C
Page 105 and 106:
KEYFUN04: MOV 29H,#01H MOV 28H,#00H
Page 107 and 108:
MOV B,#100 LCALL MULLOOP MOV A,29H
Page 109 and 110:
RET DL1MS: MOV R4,#02H DL1MSLOOP: L
Page 111 and 112:
Page 113 and 114:
DEC A MOV P1,A MOV P0,A MOV P3,A SE
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FUN02: MOV R0,#75H MOV B,#02H LCALL
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; SETB EA RETI ;************** ;
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寄存器 ; ; 控制标志位定
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; ; MCS-51 系列单片机设
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; R2 内容高位地址 R1 内容
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COMPASCOUT: RET ; ; MCS-51 系列
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; RET MCS-51 系列单片机
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MCS-51 单片机设计应用程序实例 - Read

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