Philips 8-bit microcontroller with two-clock 80C51 core UM10109 Manual De Usuario
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
User manual
Rev. 02 — 23 May 2005
129 of 133
Philips Semiconductors
UM10109
P89LPC932A1 User manual
MOVX A,@Ri
Move external data(A8) to A
1
2
E2 to E3
MOVX A,@DPTR
Move external data(A16) to A
1
2
E0
MOVX @Ri,A
Move A to external data(A8)
1
2
F2 to F3
MOVX @DPTR,A
Move A to external data(A16)
1
2
F0
PUSH dir
Push direct byte onto stack
2
2
C0
POP dir
Pop direct byte from stack
2
2
D0
XCH A,Rn
Exchange A and register
1
1
C8 to
CF
CF
XCH A,dir
Exchange A and direct byte
2
1
C5
XCH A,@Ri
Exchange A and indirect memory 1
1
C6 to C7
XCHD A,@Ri
Exchange A and indirect memory
nibble
nibble
1
1
D6 to D7
BOOLEAN
Mnemonic
Description
Bytes
Cycles
Hex
code
code
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
82
ANL C,/bit
AND direct bit inverse to carry
2
2
B0
ORL C,bit
OR direct bit to carry
2
2
72
ORL C,/bit
OR direct bit inverse 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
BRANCHING
ACALL addr 11
Absolute jump to subroutine
2
2
116F1
LCALL addr 16
Long jump to subroutine
3
2
12
RET
Return from subroutine
1
2
22
RETI
Return from interrupt
1
2
32
AJMP addr 11
Absolute jump unconditional
2
2
016E1
LJMP addr 16
Long jump unconditional
3
2
02
SJMP rel
Short jump (relative address)
2
2
80
JC rel
Jump on carry = 1
2
2
40
JNC rel
Jump on carry = 0
2
2
50
JB bit,rel
Jump on direct bit = 1
3
2
20
JNB bit,rel
Jump on direct bit = 0
3
2
30
JBC bit,rel
Jump on direct bit = 1 and clear
3
2
10
JMP @A+DPTR
Jump indirect relative DPTR
1
2
73
Table 110: Instruction set summary
…continued
Mnemonic
Description
Bytes
Cycles
Hex
code
code