精品文档---下载后可任意编辑单片机术语中英文对比表PC = progammer counter //程序计数器 ACC = accumulate //累加器PSW = progammer status word //程序状态字 SP = stack point //堆栈指针 DPTR = data point register //数据指针 寄存器 IP = interrupt priority //中断优先级IE = interrupt enable // 中断使能TMOD = timer mode //定时器 方式 (定时器/计数器 控制寄存器)ALE = alter (变更,可能是)PSEN = progammer saving enable //程序存储器使能(选择外部程序存储器的意思)EA = enable all(允许所有中断)完整应该是 enable all interruptPROG = progamme (程序)SFR = special funtion register //特别功能寄存器TCON = timer control //定时器控制PCON = power control //电源控制MSB = most significant bit//最高有效位LSB = last significant bit//最低有效位CY = carry //进位(标志)AC = assistant carry //辅助进位OV = overflow //溢出ORG = originally //起始来源DB = define byte //字节定义EQU = equal //等于DW = define word //字定义E = enable //使能OE = output enable //输出使能RD = read //读WR = write //写 中