51的特殊功能寄存器详细列表

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1、51的特殊功能寄存器详细列表

2、第1SPECIALFUNCTIONREGISTER??Register(MSB)(LSB)ByteSymbolb7b6b5b4b3b2b1b0AddressP0P0.7P0.6P0.5P0.4P0.3P0.2P0.1P0.080H(128)SP81H(129)DPL82H(130)DPH83H(131)PCONSMOD---GF1GF0PDIDL87H(135)*PCONSMOD--ODGATEC/TM1M0GATEC/TM1M089H(137)TL08AH(138)TL18BH(139)TH08CH(140)TH18DH(141)P

3、1P1.7P1.6P1.5P1.4P1.3P1.2T2EXT290H(144)*P1SDASCLRT2T2CT3ICT2ICT1ICT0I90H(144)SCONSM0SM1SM2RENTB8RB8TIRI98H(152)SBUF99H(153)P2P2.7P2.6P2.5P2.4P2.3P2.2P2.1P2.00A0H(208)IEEA-ET2ESET1EX1ET0EX00A8H(168)*IEN0EAEADES1ES0ET1EX1ET0EX00A8H(168)+CML00A9H(169)+CML10AAH(170)+CML20ABH(171)+CTL00ACH(

4、172)+CTL10ADH(173)+CTL20AEH(174)+CTL30AFH(175)P3RDT1CMT0CMSR5CMSR4CMSR3CMSR2CMSR1CMSR00C0H(192)+P5ADC7ADC6ADC5ADC4ADC3ADC2ADC1ADC00C4H(196)+ADCONADC.1ADC.0ADEXADCIADCSAADR2AADR1AADR00C5H(197)+ADCH0C6H(198)T2CONTF2EXF2RCLKTCLK矱XEN2TR2C/T2矯P/RL20C8H(200)*TM2IRT2OVCMI2CMI1CMI0CTI3CTI2CTI1

5、CTI00C8H(200)+CMH00C9H(201)RCAP2L0CAH(202)*CMH10CAH(202)RCAP2H0CBH(203)*CMH20CBH(203)TL20CCH(204)*CTH00CCH(204)TH20CDH(205)*CTH10CDH(205)+CTH20CEH(206)+CTH30CFH(207)PS2ECM1ECM0ECT3ECT2ECT1ECT00E8H(232)+TM2CONT2IS1T2IS0T2ERT2B0T2P1T2P0T2MS1T2MS00EAH(234)+CTCONCTN3CTP3CTN2CTP2CTN1CTP1CTN

6、0CTP00EBH(235)+TML20ECH(236)+TMH20EDH(237)+STETG47TG46SP45SP44SP43SP42SP41SP400EEH(238)+RTETP47TP46RP45RP44RP43RP42RP41RP400EFH(239)BB.7B.6B.5B.4B.3B.2B.1B.00F0H(240)+IP1PT2PCM2PCM1PCM0PCT3PCT2PCT1PCT00F8H(248)+P00FCH(252)+P10FDH(253)+PP0FEH(254)+T30FFH(255)Notes:1.*denotesthedifferenc

7、ebetween80C552and80512.+denotestheadditionof80C552