MC68HC711xxxx Motorola, MC68HC711xxxx Datasheet - Page 83

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MC68HC711xxxx

Manufacturer Part Number
MC68HC711xxxx
Description
Microcontrollers
Manufacturer
Motorola
Datasheet
M68HC11E Family — Rev. 5
MOTOROLA
CMPA (opr)
CMPB (opr)
EORA (opr)
EORB (opr)
Mnemonic
COM (opr)
CPD (opr)
CPX (opr)
CPY (opr)
DEC (opr)
COMA
COMB
DECA
DECB
FDIV
DAA
DES
DEX
DEY
IDIV
Exclusive OR A
Exclusive OR B
Divide 16 by 16
Decimal Adjust
Memory 16-Bit
Memory 16-Bit
Memory 16-Bit
Index Register
Index Register
Compare A to
Compare B to
Compare D to
Compare X to
Compare Y to
Integer Divide
Memory Byte
Memory Byte
Stack Pointer
Complement
Complement
Complement
with Memory
with Memory
Accumulator
Accumulator
Decrement
Decrement
Decrement
Decrement
Decrement
Decrement
Operation
Fractional
16 by 16
Memory
Memory
Ones
Ones
Ones
A
B
A
A
B
X
Y
Adjust Sum to BCD
D / IX ⇒ IX; r ⇒ D
D / IX ⇒ IX; r ⇒ D
D – M : M + 1
IX – M : M + 1
IY – M : M + 1
$FF – M ⇒ M
SP – 1 ⇒ SP
$FF – A ⇒ A
$FF – B ⇒ B
Description
IX – 1 ⇒ IX
IY – 1 ⇒ IY
A ⊕ M ⇒ A
B ⊕ M ⇒ B
M – 1 ⇒ M
A – 1 ⇒ A
B – 1 ⇒ B
A – M
B – M
Table 4-2. Instruction Set (Sheet 3 of 7)
A
A
A
A
A
B
B
B
B
B
A
B
A
B
A
A
A
A
A
B
B
B
B
B
Addressing
Central Processor Unit (CPU)
Mode
IMM
DIR
EXT
IND,X
IND,Y
IMM
DIR
EXT
IND,X
IND,Y
EXT
IND,X
IND,Y
INH
INH
IMM
DIR
EXT
IND,X
IND,Y
IMM
DIR
EXT
IND,X
IND,Y
IMM
DIR
EXT
IND,X
IND,Y
INH
EXT
IND,X
IND,Y
INH
INH
INH
INH
INH
IMM
DIR
EXT
IND,X
IND,Y
IMM
DIR
EXT
IND,X
IND,Y
INH
INH
18
18
18
1A
1A
1A
1A
CD
CD
18
18
18
1A
18
18
18
18
18
Opcode
81
91
A1
A1
C1
D1
E1
E1
73
63
63
43
53
83
93
B3
A3
A3
8C
9C
AC
AC
8C
9C
BC
AC
AC
19
7A
6A
6A
4A
5A
34
09
09
88
98
A8
A8
C8
D8
E8
E8
03
02
B1
F1
BC
B8
F8
Instruction
ii
dd
hh
ff
ff
ii
dd
hh
ff
ff
hh
ff
ff
jj
dd
hh
ff
ff
jj
dd
hh
ff
ff
jj
dd
hh
ff
ff
hh
ff
ff
ii
dd
hh
ff
ff
ii
dd
hh
ff
ff
Operand
ll
ll
ll
kk
ll
kk
ll
kk
ll
ll
ll
ll
Cycles
41
41
2
3
4
4
5
2
3
4
4
5
6
6
7
2
2
5
6
7
7
7
4
5
6
6
7
5
6
7
7
7
2
6
6
7
2
2
3
3
4
2
3
4
4
5
2
3
4
4
5
S
Central Processor Unit (CPU)
X
H
Condition Codes
I
N
Instruction Set
Z
Data Sheet
V
0
0
0
0
0
0
C
1
1
1
83

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