MCS-51系列单片机英文全称和简称对照表.pdf

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1、RAMMOVMoveRAMMOVXMoveExternalRAMROMMOVCMoveCodePUSHPushontoStackPOPPopfromStackXCHExchangeXCHDExchangelow-orderDigitA/4SWAPSwapADDAddADDCAddwithCarrySUBBSubstractwithBorrowMULMultiplyDIVDivideDADecimalAdjust1INCIncrement1DECDecrement0CLRClearCPLComplement1ARLRotateLeftACRLCRotateLeftthrought

2、heCarryflag1ARRRotateRightACRRCRotateRightthroughtheCarryflagANLLogicalANDORLLogicalORXRLLogicalExclusiveORAJMPAbsoluteJumpLJMPLongJumpSJMPShortJumpJMPJumpIndirect0JZJumpZero0JNZJumpNotZeroCJNECompareandJumpifNotEqual比较不相等转CJNECompareandJumpifNot10DJNZDecrementandJumpif移EqualNotZero减1不为0转移DJ

3、NZDecrementandJumpifLCALLLongCallNotZeroACALLAbsoluteCall子程序调用与长跳转LCALLLongCallRETReturnfromsubroutine返回指令短跳转ACALLAbsoluteCallRETIReturnfromInterruption子程序返回RETReturnfromsubroutineNOPNoOperation中断返回RETIReturnfromInterruptionMOVMove空操作指令NOPNoOperation0CLRClear布尔变量操作传送MOVMove1SETBSetBit类指令清0CL

4、RClearCPLComplement置1SETBSetBitANLLogicalAND取反CPLComplementORLLogicalOR与ANLLogicalANDC1JCJumpifCarry或ORLLogicalORC0JNCJumpifNotCarryC为1转移JCJumpifCarry1JBJumpifBitissetC为0转移JNCJumpifNotCarry0JNBJumpifNotBit位地址为1转移JBJumpifBitisset00JBCIfBitissetandClearBit位地址为0转移JNBJumpifNotBit位地址为0转移，并清0JBCIf

5、BitissetandClearBit伪指令伪指令功能助记符英文全称指定该伪指令下面一条指令ORGOrigin（或数据块）的起始地址结束标志ENDEnd定义常数表（字节）DBDefineByte定义常数表（字，即2字节）DWDefineWord指定预留存储区长度DSDefineStorage定义位地址BITBit定义符号（先定义后使用）EQUEqual定义符号（定义、使用无顺DATADatas序）取高字节HIGHHigh取低字节LOWLowSFR名称寄存器符号英文全称累加器ACC，Aaccumulate程序状态字PSWprogramstatusword进位标志位CY，Ccarr

6、y辅助进位标志位ACauxiliarycarry溢出标志位OVoverflow堆栈指针SPstackpoint数据指针寄存器DPTRdatapointregister中断优先级控制寄存器IPinterruptpriority中断使能IEinterruptenable定时器/计数器模式寄存器TMODtimermode定时器/计数器控制寄存器TCONtimercontrol电源控制寄存器PCONpowercontrol微处理器中文名称简写英文名称算术逻辑部件ALUArithmeticLogicUnit累加器ACC，Aaccumulate标志寄存器FRFlagRegister进位标志

7、CY，CCarryFlag辅助进位标志AFAuxiliaryCarryFlag溢出标志OFOverflowFlag零标志ZFZeroFlag符号标志SFSignFlag奇偶标志PFParityFlag程序计数器PCProgramCounter指令寄存器IRInstructionRegister指令译码器IDInstructionDecoder引脚中文名称简写英文名称接地端GNDGround接外部晶体XTALExternalCrystal复位信号RSTRestoration变更ALEalter