《51单片机寄存器英语缩写全称.doc》由会员分享，可在线阅读，更多相关《51单片机寄存器英语缩写全称.doc（3页珍藏版）》请在金锄头文库上搜索。
1、51单片机寄存器/指令/标志位/英语 缩写c51学习 2010-10-19 20:41:30 阅读64 评论0 字号：大中小订阅 今天找了一些51单片机的缩写，在百度上一搜，并不是很全。特地到国外网站翻了一下。知道了指令和标志位的全称，可以方便记忆。Symbol Description Byte Address P0 Port 0 80h SP Stack pointer 81h DPL Data pointer (low byte) 82h DPH Data pointer (high byte) 83h TCON Counter/Timer control 88h TMOD Counter
2、/Timer operation mode 89h TL0 Counter/Timer 0 (low byte) 8Ah TL1 Counter/Timer 1 (low byte) 8Bh TH0 Counter/Timer 0 (high byte) 8Ch TH1 Counter/Timer 1 (high byte) 8Dh P1 Port 1 90h SCON Serial port control 98h SBUF Serial port buffer 99h P2 Port 2 0A0h IE Interrupt Enable 0A8h P3 Port 3 0B0h PSW Pr
3、ogram Status Word 0D0h ACC Accumulator 0E0h B Multiplication Register 0F0h BIT SymbolsSymbol Description Bit Position Bit Address CY Carry Flag PSW.7 0D7h AC Auxiliary Carry Flag PSW.6 0D6h F0 Flag 0 PSW.5 0D5h RS1 Register Bank Select, Bit 1 PSW.4 0D4h RS0 Register Bank Select, Bit 0 PSW.3 0D3h OV
4、Overflow Bit PSW.2 0D2h P Parity Bit PSW.0 0D0h TF1 Timer-1 Overflow Bit TCON.7 8Fh TR1 Timer-1 RUN Control Bit TCON.6 8Eh TF0 Timer-0 Overflow Bit TCON.5 8Dh TR0 Timer-0 RUN Control Bit TCON.4 8Ch IE1 Interrupt 1 Edge Flag TCON.3 8Bh IT1 Interrupt 1 Control Bit TCON.2 8Ah IE0 Interrupt 0 Edge Flag
5、TCON.1 89h IT0 Interrupt 0 Control Bit TCON.0 88h SM0 Serial Mode Control Bit 0 SCON.7 9Fh SM1 Serial Mode Control Bit 1 SCON.6 9Eh SM2 Serial Mode Control Bit 2 SCON.5 9Dh REN Receiver Enable Bit SCON.4 9Ch TB8 Transmit Bit 8 (9-Bit Mode) SCON.3 9Bh RB8 Receive Bit 8 (9-Bit Mode) SCON.2 9Ah TI Tran
6、smitter Interrupt Flag SCON.1 99h RI Receiver Interrupt Flag SCON.0 98h EA Enable all Interrupts IE.7 0AFh ES Enable serial Port Interrupt IE.4 0ACh ET1 Enable Timer 1 Interrupt IE.3 0ABh EX1 Enable External Interrupt 1 IE.2 0AAh ET0 Enable Timer 0 Interrupt IE.1 0A9h EX0 Enable External Interrupt 0
7、 IE.0 0A8h RD Read Data for External Memory P3.7 0B7h WR Write Data for External Memory P3.6 0B6h T1 Timer/Counter 1 Input/Output P3.5 0B5h T0 Timer/Counter 0 Input/Output P3.4 0B4h INT1 Interrupt 1 Input Pin P3.3 0B3h INT0 Interrupt 0 Input Pin P3.2 0B2h TXD Serial Port Transmit Pin P3.1 0B1h RXD Serial Port Receive Pin P3.0 0B0h PS Serial Port Interrupt Priority IP.4 0BCh PT1 Timer 1 Interrupt Priority IP.3 0BBh PX1 External Interrupt 1 Priority IP.2 0BAh PT0 Timer 0 Interrupt Priority IP.1 0B9h PX0 External Interrupt 0 Priority IP.0 0B8h
