单片机缩写的英文全称
英文缩写：
MCS-51：Micro Computer System-51
PSW（Processor Status Word）中的标志位：
CY：Carry
AC：Auxiliary Carry
F0：Flag 0
RS：Register Select
OV：Overflow
P：Parity
指令：
MOV (Move)
MOVC (Move Code)
MOVX (Move External)
XCH (Exchange)
XCHD（Exchange low-order Digit）
PUSH
POP
AJMP (Absolutely Jump)
LJMP (Long Jump)
SJMP (Short Jump)
JMP (Jump)
JZ (Jump Zero)
JNZ (Jump Not Zero)
JC (Jump if Carry)
JNC (Jump if Not Carry)
JB (Jump if Bit is set)
JNB (Jump if Not Bit)
JBC (Jump if Bit is set and Clear Bit)
CJNE (Compare and Jump if Not Equal)
DJNZ (Decrease and Jump if Not Zero)
ACALL (Absolutely Call)
LCALL (Long Call)
RET (Return)
NOP (No Operation)
ADD
ADDC (Add with Carry)
SUBB (Subtract with Borrow)
MUL (Multiply)
DIV (Divide)
INC (Increase)
DEC (Decrease)
ANL (Logical AND)
ORL (Logical OR)
XRL (Logical Exclusive OR)
CPL (Complement)
CLR (Clear)
SETB (Set Bit)
RL (Rotate Left)
RR (Rotate Right)
RLC (Rotate Left with the Carry flag) RRC (Rotate Right with the Carry flag) XCHD
SWAP
DA (Decimal Adjust)
ORG (Origin)
DB (Define Byte)
DW (Define Word)
EQU (Equal)
DATA
XDATA (External Data)
BIT
END。