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单片机sfr缩写的英文全称
PC = programmer counter //程序计数器
ACC = accumulator //累加器
PSW = program status word //程序状态字 (Processor Status Word)
PSW中的标志位:
CY:Carry
AC:Auxiliary Carry 或 assistant carry
F0:Flag 0
RS:Register Select
OV:Overflow
P:Parity
SP = stack point //堆栈指针
DPTR = data pointer 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)
EA = enable all(允许所有中断)完整应该是 enable all interrupt
SFR = special function register //特殊功能寄存器
TCON = timer control //定时器控制
PCON = power control //电源控制
中断部分:
INT0 = interrupt 0 //中断0
INT1 = interrupt 1//中断1
T0 = timer 0 //定时器0
T1 = timer 1 //定时器1
TF1 = timer1 flag //定时器1 标志 (其实是定时器1中断标志位)full
IE1 = interrupt enquire //(外部中断请求,可能是)
IT1 = interrupt trigger //(外部中断触发方式,可能是)
ES = enable serial //串行使能
ET = enable timer //定时器使能
EX = enable external //外部使能(中断)
PX = priority external //外部中断优先级
PT = priority timer //定时器优先级
PS = priority serial //串口优先级
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