各种寄存器位地址.docVIP

/* - IO51.H - Special header for the 8051/52/31/32 processors. Version 4.00 [IANR] */ #pragma language=extended /*===============================*/ /* Predefined SFR Byte Addresses */ /*===============================*/ sfr P0 = 0x80; sfr P1 = 0x90; sfr P2 = 0xA0; sfr P3 = 0xB0; sfr PSW = 0xD0; sfr ACC = 0xE0; sfr B = 0xF0; sfr SP = 0x81; sfr DPL = 0x82; sfr DPH = 0x83; sfr PCON = 0x87; sfr TCON = 0x88; sfr TMOD = 0x89; sfr TL0 = 0x8A; sfr TL1 = 0x8B; sfr TH0 = 0x8C; sfr TH1 = 0x8D; sfr IE = 0xA8; sfr IP = 0xB8; sfr SCON = 0x98; sfr SBUF = 0x99; sfr T2CON = 0xC8; sfr RCAP2L = 0xCA; sfr RCAP2H = 0xCB; sfr TL2 = 0xCC; sfr TH2 = 0xCD; /*For W77E58*/ sfr ROMMAP = 0XC2; sfr CKCON = 0X8E; sfr PMR = 0XC4; sfr TA = 0XC7; sfr P4 = 0XA5; /*==============================*/ /* Predefined SFR Bit Addresses */ /*==============================*/ /*========PSW========*/ bit CY = 0xD7; bit AC = 0xD6; bit F0 = 0xD5; bit RS1 = 0xD4; bit RS0 = 0xD3; bit OV = 0xD2; bit P = 0xD0; /*========TCON=======*/ bit TF1 = 0x8F; bit TR1 = 0x8E; bit TF0 = 0x8D; bit TR0 = 0x8C; bit IE1 = 0x8B; bit IT1 = 0x8A; bit IE0 = 0x89; bit IT0 = 0x88; /*========IE=========*/ bit EA = 0xAF; bit ET2 = 0xAD; bit ES = 0xAC; bit ET1 = 0xAB; bit EX1 = 0xAA; bit ET0 = 0xA9; bit EX0 = 0xA8; /*========IP=========*/ bit PT2 = 0xBD; bit PS = 0xBC; bit PT1 = 0xBB; bit PX1 = 0xBA; bit PT0 = 0xB9; bit PX0 = 0xB8; /*========P3=========*/ bit RD = 0xB7; bit WR = 0xB6; bit T1 = 0xB5; bit T0 = 0xB4; bit INT1= 0xB3; bit INT0= 0xB2; bit TXD = 0xB1; bit RXD = 0xB0; /*========SCON========*/ bit SM0 = 0x9F; bit SM1 = 0x9E; bit SM2 = 0x9D; bit REN = 0x9C; bit TB8 = 0x9B; bit RB8 = 0x9A; bit TI = 0x99; bit RI = 0x98; /*========T2CON=======*/ bit TF2 = 0xCF; bit EXF2= 0xCE; bit RCLK= 0xCD; bit TCLK= 0xCC; bit EXEN2 = 0xCB; bit TR2 = 0xCA; bit C_T