51單片機(jī)寄存器中英文全稱對照

1、51單片機(jī)英文全稱<51外部引腳>縮寫英文解釋中義解釋RSTRest復(fù)位信號引腳RXD(10-P3.0)ReceiveData用口接收端TXD(11-P3.1)TransmitDat串口發(fā)送端INT0(12-P3.2)Interrupt。外部中斷0信號輸入引腳INT1(13-P3.3)Interrupt1外部中斷1信號輸入引腳T0(14-P3.4)Timer。定時/計數(shù)器0輸入引腳T1(15-P3.5)Timer1定時/計數(shù)器1輸入引腳WR(16-P3.6)Write寫信號引腳RD(17-P3.7)Read讀信號引腳PSEN(29)ProgrammerSavingEnable部程序

2、存儲器讀選通信號ALE(30)AddressLatchEnable地址鎖存允許信號EA(31)Enable外部ROM4擇信號<51內(nèi)部寄存器>SFRspecialfunctionregister特殊功能寄存器ACCaccumulate累加器APSWprogrammerstatusword程序狀態(tài)字CY(PSW.7)carry進(jìn)位標(biāo)志位AC(PSW.6)assistantcarry輔助進(jìn)位標(biāo)志位OV(PSW.2)overflow溢出標(biāo)志位PCprogrammercounter程序計數(shù)器DPTRdatapointregister數(shù)據(jù)指針寄存器SPstackpoint堆棧指針TCONti

3、mercontrol定時器控制寄存器TF1(TCON.7)timer1flagT1中斷標(biāo)志位TR1(TCON.6)timer1runT1運行控制位TF0(TCON.5)timer0flagT0中斷標(biāo)志位TR0(TCON.4)timer0runT0運行控制位IE1(TCON.3)interruptexterior外部中斷1中斷標(biāo)志位IT1(TCON.2)interrupttouch外部中斷1觸發(fā)方式選擇位IE0(TCON.1)interrupt。exterior外部中斷0中斷標(biāo)志位IT0(TCON.0)interrupt。touch（0-電平觸發(fā)1-1降沿觸發(fā)）IE(A8H)interrupte

4、nable中斷允許寄存器EA(IE7)enable all interruptES(IE.4)enable serialET1(IE.3)enable timer1T1EX1(IE.2)enable exterior1ET0(IE.1)enable timer。EX0(IE.0)enable exteriorOIP(B8H)interrupt priorityPS（I國）priority serialPT1(IP3)priority timeriPX1（應(yīng)）priority exteriorlPT0(IP1)priority timerOPX0(IPO)priority exteriorOPCON(87H)power controlTMOD(89H)timer modeMSBmost significant bitLSBlast significant bitOEoutput enable中斷總允許位用口中斷允許位中斷允許位外部中斷1中斷允許位T0中斷允許位外部中斷0中斷允許位中斷優(yōu)先級寄存器用口優(yōu)先級標(biāo)志位定時器1