单片机实验讲义MCS-51系列指导

MCS-51系列单片机实验指R6中。R2、R3中输入源首址(2000H)，R4、R5中输入目的地址(3000H)R6、中输入字节数(0FFH)，运行程序，采用连续、断点和单步的运行方式调试程序，检查2000-20FFH3000-30FFH中内容完全—致。ORG07B0HMOVR2,#20HMOVR3,#00HMOVR4,#30HMOVR5,#00HMOV MOVMOVMOVXA,@DPTRMOVDPL,R5MOVDPH,R4MOVX@DPTR,AINCR3INCR4DJZNR6,L2ORG07B0HMOVR2,00HMOVR3,#00HMOVR4,#10HMOVR5,#00HMOVR6,#00HMOV MOVMOVDPH,R2MOVXA,@DPTRMOVDPL,R5MOVDPH,R4MOVX@DPTR,ACJNER3,#0FFH,LO42INCR2 INCCJNER5,#0FFH,LO43INCR4 INCCJNER7,#00H,LO44CJNER6,#00H,LO45SJMP$ DECR7SJMPSE22 DECR7DECR6SJMPSE22实验 P1口亮灯实P1P1口为准双向口，每一位都可独立地定义为输出线或输入线，为确保从端口引脚上输1。P1作为输出口，接八只发光二极管，编写程序，使发光二极管循环点亮。2、P1.0-P1.7L1-L8，运行程序后，观察发光二极管闪亮移位情况。ORG;SE18:MOVP1,#0FFHLO34:MOVA,#0FEHLO33:MOVP1,ALCALLSE19RLASJMP;SE19:MOVR6,#0A0HLO36:MOVR7,#0FFHLO35:DJNZR7,LO35DJNZR6,LO36;8031有两个16位的定时器“0”和定时器“1”。都可以工作于定时器方式或计数器方式。工作方式的选择由特殊功能寄存器TMOD中的MlM0控制位决定。工作于定时器方式121／12。1／24。·定时器“0”和“1”有四种操作方式可供选择。请阅读《MCS—5l四、”及方式“lORG06E0H MOVTMOD,#05HMOVTH0,#00HMOVTL0,#00HSETBTR0 MOVMOVR3,TL0LCALLZOY0MOVR0,#79HMOVA,R6LCALLPTDSMOVA,R5LCALLPTDSMOVA,R4LCALLPTDSLCALLSSEESJMPLO29 CLRAMOVR4,AMOVR5,AMOVMOV CLRCMOVA,R3RLCAMOVR3,AMOVA,R2RLCAMOVR2,AMOVA,R6ADDCA,R6DAAMOVR6,AMOVA,R5ADDCA,R5DAAMOVR5,AMOVA,R4ADDCA,R4DAAMOVR4,ADJNZR7,LO30; MOVACALLPTDS1MOVA,R1SWAPA ANLMOV@R0,AINCR0; SETBMOVR5,#05H MOVMOV31H,#7EHMOVR7,#06H MOVMOVA,30HMOVX@R1,AMOVR0,31HMOVA,@R0MOVDPTR,#DDFFMOVR1,#0DCHMOVX@R1,AMOVA,30HRRAMOV30H,ADEC31HMOVA,#0FFHMOVX@R1,ADJNZR7,SSE1DJNZR5,SSE2CLRRS1; DB0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90HDB88H,83H,0C6H,0A1H,86H,8EH,0FFH,0CH,89H,0DEH;实验四 将P3.2(INT0)引脚连接到单个脉冲发生器输出端（实验板标有 插孔。将P1口的各个引脚分别接到8个发光二极管。ORGSJMPCHK00ORG000BHLJMPCLOCK;INT_T0ORG0030H MOVLCALLLEDP LCALLPTDS0MOVTMOD,#01HORLIE,#82HMOVTL0,#0B7HMOVTH0,#3CHMOV23H,#00HSETBTR0 LCALLDIS LCALLPTDS0SJMPLOO5 MOVR0,#79HMOVA,22HACALLPTDSMOVA,21HACALLPTDSMOVA,20HACALLPTDS; MOVACALLPTDS1MOVA,R1SWAPA ANLMOV@R0,AINCR0; PUSHPSWPUSHACCSETB0D3HINC23HMOVA,23HMOV23H,#00HMOVA,22HINCADAAMOVMOV22H,#00HMOVA,21HDAAMOVMOV21H,#00HMOVA,20HDAAMOVMOV20H,#00H ; SETBMOVR5,#05H MOVMOV31H,#7EHMOVR7,#06H MOVMOVA,30HMOVX@R1,AMOVR0,31HMOVA,@R0MOVDPTR,#DDFFMOVR1,#0DCHMOVX@R1,AMOVA,30HMOV30H,ADEC31HMOVA,#0FFHMOVX@R1,ADJNZR7,SSE1DJNZR5,SSE2CLRRS1; DB0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90HDB88H,83H,0C6H,0A1H,86H,8EH,0FFH,0CH,89H,0DEH; MOVR4,AMOVR0,#50HMOVA,@R0MOVR1,AMOVA,R4MOV@R1,ACLRAPOPDPHINCDPTRdecr1clra MOV@R0,AINCDPTRPUSHDPLPUSHDPH DECR1SJMPX31; MOV ACALLXLEJNBACC.5,XX0DJNZR6,X0MOVR6,#20HMOVR0,#50HMOVA,@R0MOVR0,AMOVA,@R0MOVR7,AMOVA,#10H ACALLXLEJNBACC.5,XX1DJNZR6,X1MOVA,R7MOV@R0,ASJMPX2 MOVR6,AMOVA,R7MOV@R0,AMOVA,R6 ; ACALLDISACALLKEYMOVR4,AMOVR1,#48HMOVA,@R1MOVR2,AINCR1MOVA,@R1MOVR3,AMOVA,R4XRLA,R3MOVR3,04HMOVR4,02HJZX10MOVR2,#88HMOV DECR4MOVA,R4XRLA,#82HJZX11MOVA,R4XRLA,#0EHJZX11MOVA,R4JZX12MOVR4,#20HDECR2SJMPX13 MOVR4,#0FH MOVR2,04HMOVR4,03H MOVR1,#48HMOVA,R2MOV@R1,AINCR1MOVA,R3MOV@R1,AMOVA,R4JBACC.5,X113JBACC.4,X113MOVDPTR,#LS3 ;LS3:DB07H,04H,08H,05H,09H,06H,0AHDB0BH,01H,00H,02H,0FH,03H,0EHDB0CH,0DH; PUSHDPHPUSHDPLSETBRS1MOVR0,#7EHMOVR2,#20HMOVMOV MOVR1,#0DCHMOVX@R1,AMOVA,R2incMOVX DJNZR3,LS1CLRCRRCAMOVR2,ADECR0JNZLS2movxdecr0cplamovx@r0,aCLRRS1POPDPLPOPDPH; DB0C0H,0F9H,0A4H,0B0H,99H,92HDB82H,0F8H,80H,90H,88H,83H,0C6HDB; SETBRS1MOVR2,#0FEHMOVR3,#08HMOVR0,#00H MOVMOVA,R2MOVX@R1,ARLAMOVincCPLAANLA,#0FHJNZLP0INCR0DJNZ movr2,aclramovr1,#0ddhmovx@r1,amova,r2CLRRS1; JBACC.0,XP0MOVA,#00HSJMPLPP JBMOVA,#08HSJMPLPP JBMOVA,#10HSJMPLPP JB ADDsjmp; MOVMOVA,#10HMOV MOVINCCJNER0,#7EH,LEDSINCAMOV@R0,A; JBACC.4,LDFCLCALLX3DB79H,7EHSJMP A,#16H,LCK0 A,7AHSWAP A, 22H,A A,#60H,LE09 A,SWAP A, 21H,A A,#60H,LE15 A,SWAP A, 20H,A A,#24H,LE21 ; PUSH02H PUSH02H PUSH02H LCALLSSEEPOP02HPOP02HPOP02H;8032P1.0-P1.6控制注塑机的七道工序，现模拟控制七只发光二极管的点亮，低电平有入模拟开关，低电平，P1.7为声音输出。定工序执行是否正常，然后把K2置为低电平，看是否有声音，恢复中断1，停，VIN插孔用来输入，通过给该插孔传送交替01序列来发出声音。 ORG0000HLJMPPO10ORG0013HLJMPPO16;ORG MOVORLP3,#00H JNBP3.4,PO11ORLIE,#84HORLIP,#01HMOVSP,#53H MOVACALLPO1BMOVP1,#7DHACALLPO1BMOVP1,#7BHACALLPO1BMOVP1,#77HACALLPO1BMOVP1,#6FHACALLPO1BMOVP1,#5FHACALLPO1BMOVP1,#0FHACALLPO1BSJMPPO12; MOVB,R2 MOVP1,#7FHMOV20H,#0A0H SETBP1.7ACALLPO1ACLRP1.7ACALLPO1ADJNZ20H,PO18CLRP1.7ACALLPO1AJNBP3.3,PO17MOVR2,B MOV MOV; PUSH02H PUSH02H PUSH02H DJNZR2,DEL4DJNZR2,DEL3POP02HDJNZR2,DEL2POP02H;

实验六8255掌握8255的结构及编程方法，学习模拟交通控制的实现方法。8255做输出口，控制十二个发光二极管燃灭，模拟交通灯管理。1、编制控制交通信号灯的程序，初始状态为四个路口的红灯全亮之后，东西路口的绿灯MOVXMOVX8255==========================ORG0BB0H MOVMOVDPTR,#0FFDBHMOVA,#88HMOVX@DPTR,AMOVDPTR,#0FFD8HMOVA,#0B6HMOVX@DPTR,AINCDPTRMOVA,#0DHMOVX@DPTR,AMOVR2,#25HLCALLDELY MOVDPTR,#0FFD8HMOVA,#75HMOVX@DPTR,AINCDPTRMOVA,#0DHMOVX@DPTR,AMOVR2,#55HLCALLDELYMOVR7,#05H MOVDPTR,#0FFD8HMOVA,#0F3HMOVX@DPTR,AINCDPTRMOVR2,#20HMOVDPTR,#0FFD8HMOVA,#0F7HMOVX@DPTR,AINCDPTRMOVA,#0DHMOVX@DPTR,AMOVR2,#20HLCALLDELYDJNZR7,JOD1MOVDPTR,#0FFD8HMOVA,#0AEHMOVX@DPTR,AINCDPTRMOVA,#0BHMOVX@DPTR,AMOVR2,#55HLCALLDELYMOVR7,#05H MOVDPTR,#0FFD8HMOVA,#9EHMOVX@DPTR,AINCDPTRMOVA,#07HMOVX@DPTR,AMOVR2,#20HLCALLDELYMOVDPTR,#0FFD8HMOVA,#0BEHMOVX@DPTR,AINCDPTRMOVR2,#20HLCALLDELYDJNZR7,JOD2LJMPJOD3; PUSH02H PUSH02H PUSH02H DJNZR2,DEL4DJNZR2,DEL3POP02HDJNZR2,DEL2POP02H;

实验七简单I/O学习单片机系统中扩展简单I/O利用74LS244作为输，开关状态，并将此状态，通过74LS273再驱动发光二极74LS13874LS27374LS244分别作为FFE0HFFFE4H，2K1---K8观察指示灯是否对应点亮。74LS273能否做输，74LS244能否做输出口I/O口扩展==========================ORG0B80H MOVMOVXA,@DPTR MOVDPTR,#0FFE4HMOVX@DPTR,A SJMPGOD0

A/D了解A/D0809转换性能及编程方法通过实验了解单片机如何进行。N44位拆分7EH7DHY2 DISP:PUSHPUSHMOVR0,#0DCH MOVR1,#0DDH MOVR3,#00HMOVR4,#00HMOVDPTR,#LS0MOVA,7EHMOVCA,@A+DPTRMOVX MOVMOVX ;选择DJNZ MOVMOVCMOVX@R0,A MOVA,#01HMOVX DJNZR3,$ POPDPLPOPDPHLS0:DB0C0H,0F9H,0A4H,0B0H,99H,92HDB82H,0F8H,80H,90H,88H,83H,0C6HDB08098051数据交换程序和线路应当如何改动？A/D转换程序========================ORG05A0HSE11:MOVMOV7EH,#00HMO