51单片机专用寄存器中英文对照

51单片机专用寄存器中英文对照SFRSpecialFunctionRegisters专用寄存器、特殊功能寄存器AccAccmulator累加器PSWProgramStatusWord程序状态字CYCarry进位；ACAcidCarry辅助进位；F0Flag标志（旗帜）0RS1Register1寄存器（控制位）1；OVOver溢出；PParity奇偶标志SPStackPointer堆栈指针DPTRDataPointer数据指针P0~P3Port0~3端口0~3SBUFSerialDataBuffer串行数据缓冲器TH0TimerHigh定时器（计数初值）高8位TL0TimerLow定时器（计数初值）低8位TMODTimerMode定时器模式GATE门；M1M0Mode1、2模式（方式）控制；TCONTimerControl定时器控制TFTimerFlag定时器（溢出）标志；TRTimerRun定时器运行；IEInterruptEnable中断允许；ITInterruptTrigger中断触发SCONSerialControl串行口控制SMSerialMode串行模式；RENReceiveEnable（串行）接收允许；TB8TransferBit8发送的第8位；RB8ReceiveBit8接收的第8位TITransferInterrupt传送中断；RIReceiveInterrupt接收中断PCONPowerControl电源控制IEInterruptEnable中断允许EAEnableAll总允许；ESEnableSerial允许串行（中断）；ET1EnableTimer1允许定时器1（中断）；EX1EnableeXternal允许外部（中断）1IPInterruptPriority中断优先级PCProgramCounter程序计数器51单片机引脚中英文对照AD0~AD7AddressandData地址/数据线ALEAddressLatchEnable地址锁存允许PSENProgram（Memroy）StoreEnable程序（存储器）选通允许RSTReset复位TXDTransmittedeXternalData外部数据输出线RXDReceiveeXternalData外部数据输入线INT0Interrupt0外中断0INT1Interrupt1外中断1T0Timer0定时器/计数器（输入端）0T1Timer1定时器/计数器（输入端）1WRWright写（控制）RDRead读（控制）EAExternalAccess（Enable）外部存储器（允许）汇编语言助记符中英文对照direct直接relRelation相对MOVMove传送（移动）MOVXMoveeXternal外部传送MOVCMoveCode代码传送PUSH推入（入栈）POP弹出（出栈）XCHeXCHange交换XCHDeXCHangeDigit低半字节交换SWAP交换ADDAddition加ADDCAdditionwithCarry带进位位加SUBBSubwithBorrow带借位位减MULMultiply乘DIVDivide除INCIncrememt增量DECDecrement减量DAADeicmalAdjusment十进制调整ANLAndLogic与逻辑ORLORLogic或逻辑XRL异或逻辑RLRolateLeft循环左移RLCRolateLeftwithCarry带进位位循环左移RRRolateRight循环右移RRCRolateRightwithCarry带进位位循环右移CPLComplement取反（求补）CLRClear清除（零）LJMPLongJump长跳转AJMPAbsoluteJump绝对跳转SJMPShortJump短跳转JZJumpifAccequalZero如果ACC等于0，跳转JNZJumpifAccNotequalZero如果ACC不等于0，跳转CJNECompareandJumpifNotEqual比较，不等则转DJNZDecrementandJumpifNotZero减1不等于零则转LCALLLongCall长调用ACALLAbsoluteCall绝对调用RETReturn返回RETIReturnfromInterrupt中断返回NOPNoOperation空操作SETBSetBit置位JCJumpifCarry如果CY=1，跳转JNCJumpifNoCarry如果CY不等于1（即等于0），跳转JBJumpifBit如果位等于1，跳转JNBJumpifNoBit如果位不等于1（即等于0），跳转JBCJumpifBitandClear如果位等于1，跳转并清0其他BBinary二进制DDecimal十进制HHex十六进制BCDBinaryCodedDecimal二进制编码十进制ASCIIAmericanCodeforInformationInterchange信息内部交换美国码ROMReadOnlyMemrory只读存储器PROMProgrammableReadOnlyMemory可编程序只读存储器EPROMErasableProgrammableReadOnlyMemory可擦写可编程序只读存储器EEPROMElectricallyErasableProgrammableReadOnlyMemory电可擦写可编程序只读存储器RAMRandomAccessMemory随机存储器SRAMStaticRandomAccessMemory静态随机存储器DRAMDynamicRAM动态随机存储器FlashMemory闪烁存储器OEOutEnable输出允许WEWrightEnable写允许CEChipEnable芯片允许CSChipSelect芯片选择KEY键DISPLAY显示D/ADigittoAnalog数/模转换A/DAnalogtoDigit模/数转换CLKClock时钟ASYNCAsynchronousDataCommunication异步通信Baudrate波特率UARTUniversalAsynchronousReceiver/Transmitter异步接收/发送器