參數(shù)資料
型號: P80C557E4
廠商: NXP Semiconductors N.V.
英文描述: Single-chip 8-bit microcontroller(單片8位微控制器)
中文描述: 單芯片8位微控制器(單片8位微控制器)
文件頁數(shù): 50/72頁
文件大小: 525K
代理商: P80C557E4
Philips Semiconductors
Product specification
P83C557E4/P80C557E4/P89C557E4
Single-chip 8-bit microcontroller
1999 Mar 02
50
Table 43.
80C51 Instruction Set Summary
(Continued)
MNEMONIC
DESCRIPTION
BYTE / CYCLES
OPCODE
(HEX.)
BOOLEAN VARIABLE MANIPULATION
CLR
C
Clear carry
1
1
C3
CLR
bit
Clear direct bit
2
1
C2
SETB
C
Set carry
1
1
D3
SETB
bit
Set direct bit
2
1
D2
CPL
C
Complement carry
1
1
B3
CPL
bit
Complement direct bit
2
1
B2
ANL
C,bit
AND direct bit to carry
2
2
B2
ANL
C,/bit
AND complement of direct bit to carry
2
2
B0
ORL
C,bit
OR direct bit to carry
2
2
72
ORL
C,/bit
OR complement of direct bit to carry
2
2
A0
MOV
C,bit
Move direct bit to carry
2
1
A2
MOV
bit,C
Move carry to direct bit
2
2
92
JC
rel
Jump if carry is set
2
2
40
JNC
rel
Jump if carry not set
2
2
50
JB
rel
Jump if direct bit is set
2
2
20
JNB
rel
Jump if direct bit is not set
2
2
30
JBC
bit,rel
Jump if direct bit is set and clear bit
3
2
10
PROGRAM BRANCHING
ACALL
addr11
Absolute subroutine call
2
2
**1addr
LCALL
addr16
Long subroutine call
3
2
12
RET
Return from subroutine
1
2
22
RETI
Return from interrupt
1
2
32
AJMP
addr11
Absolute jump
2
2
***1addr
LJMP
addr16
Long jump
3
2
02
SJMP
rel
Short jump (relative addr)
2
2
80
JMP
@A+DPTR
Jump indirect relative to the DPTR
1
2
73
JZ
rel
Jump if Accumulator is zero
2
2
60
JNZ
rel
Jump if Accumulator is not zero
2
2
70
CJNE
A,direct,rel
Compare direct byte to ACC and jump if not
equal
3
2
B5
CJNE
A,#data,rel
Compare immediate to ACC and jump if not
equal
3
2
B4
CJNE
RN,#data,rel
Compare immediate to register and jump if not
equal
3
2
B*
CJNE
@Ri,#data,rel
Compare immediate to indirect and jump if not
equal
3
2
B6, B7
DJNZ
Rn,rel
Decrement register and jump if not zero
2
2
D*
DJNZ
direct,rel
Decrement direct byte and jump if not zero
3
2
D5
NOP
NOTE:
1.
All mnemonics copyrighted
Intel Corporation 1980
No operation
1
1
00
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