单片机定时器计数器应用实验

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1、U1>XTAL1PO.O/ADOXTAL2P0.1/AD1P0.2/AD2P0.3/AD3RSTP04/AD4P0.5/AD5P0.6/AD6P0.7/AD7PSEhTP20/A8P2.1/A9P2.2/A10P2.3/A11ALEP2.4/A12EA~P2.5/A13P10/T2P11/T2EXP2.6/A14P2.7/A15P30/RXDP3.1/TXDP12P32/INT0P1.3P3.3N1P14P3.4/T0P15P3.5/MP1.6P3.6/WRP1.7P3.7WAT89C52

2、>一—亘ITr〒丄一—11D.■■prr■厂，一厂■.70D501I一3开始'T确定定时器工作方式确定定时器工作方式ORG0000HMAIN：MOVTMOD,#02HMOVTHO,#9CHMOVTLO,#9CHSETBTROLOOPO：JBCTFO,LOOP1AJMPLOOPOLOOP1：CPLP1.0AJMPLOOPOENDORG0000HSTART:UMPMAINORG000BHUMPLOOP1ORG0100HMAIN:MOVTMOD,#02HMOVTHO,#88HMOVTLO,#88HSETB

3、EASETBETOLOOP:SETBTROHERE:SJMPHERELOOP1:CPLP1.0RETIORG0000HMOVTMOD,#20HMOVIE,#00HMOVTH1,#38HMOVTL1,#38HLOOP4:MOVTHO,#0F6HMOVTLO,#13HSETBTROCLRTRICPLP1.0LOOPO:JBCTFO,LOOPAJMPLOOPOLOOP1:SETBTRICLRTROCPLP1.0L00P5:JBCTFl,L00P4AJMPL00P5ENDORGMOV0000HIE,#OOH

4、MOVTMOD,#02HMOVTHO,#38HMOVTLO,#38HLOOP1:MOVTH1,#OFOHMOVTL1,#OCHSETBTROSETBTRILOOP3:JBCTFO,LOOPOAJMPLOOP3LOOPO:CLRTROCPLP1.0LOOP4:JBCTF1,LOOP5AJMPLOOP4LOOP5:CLRTRICPLP1.0UMPLOOP1ENDORGMOVMOVMOVMOVMOVSETB0000HSP,IE,TMOD,TH1,TL1ZTRI#2FH#00H#2OH#9CH#9CHLOO

5、P:JNBTF1,LOOPLOOP1:INCACLRTF1CJNEA,#02,L00P2CPLP1.0LOOP2:CJNEA,#05,LOOPCPLP1.0CLRAUMPLOOPEND