可以仿真.
写IAP
MOV IFMT,#002h ;Byte Progarme Mode
MOV IFADRH,?? ;所要写的地址
MOV IFADRL,??
MOV IFD,?? ;所要写的数据
MOV ISPCR,#080h ;SPCR.7 =1,Enable ISP
MOV SCMD,#046h
MOV SCMD,#0B9h
NOP
NOP
读IAP
MOV IFMT,#001h ;Byte Progarme Mode
MOV IFADRH,?? ;所要读的地址
MOV IFADRL,??
MOV ISPCR,#080h ;SPCR.7 =1,Enable ISP
MOV SCMD,#046h
MOV SCMD,#0B9h
NOP
NOP
MOV A,IFD ;所要读的数据
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