M34282E2GP MITSUBISHI [Mitsubishi Electric Semiconductor], M34282E2GP Datasheet - Page 31

• Manufacturer Part Number: M34282E2GP
• Description: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Operation:
Operation:
Operation:
Operation:
INY (INcrement register Y)
LA n (Load n in Accumulator)
LGOP (LoGic OPeration between accumulator and register E)
LXY x, y (Load register X and Y with x and y)
Instrunction
code
Instrunction
code
Instrunction
code
Instrunction
code
(A)
n = 0 to 15
Logic operation XOR, OR, AND
(Y)
(X)
(Y)
D
D
D
D
0
0
0
0
8
8
8
8
0
1
0
1
n
(Y) + 1
x, x = 0 to 3
y, y = 0 to 15
0
0
1
1
0
1
0
x
1
1
1
0
x
0
0
n
0
y
3
3
0
n
0
y
2
2
1
n
0
y
1
1
D
D
D
D
1
n
1
y
0
0
0
0
0
0
2
2
2
2
0
0
0
0
+x
1
B
4
C
3
n
1
y
16
16
16
16
Grouping:
Description: Adds 1 to the contents of register Y. As a re-
Grouping:
Description: Loads the value n in the immediate field to
Grouping:
Description: Executes the logic operation selected by
Grouping:
Description: Loads the value x in the immediate field to
Number of
Number of
Number of
Number of
words
words
words
words
1
1
1
1
Number of
Number of
Number of
Number of
RAM addresses
sult of addition, when the contents of
register Y is 0, the next instruction is
skipped.
Arithmetic operation
register A.
When the LA instructions are continuously
coded and executed, only the first LA in-
s t r u c t i o n i s e x e c u t e d a n d o t h e r L A
instructions coded continuously are
skipped.
Arithmetic operation
logic operation selection register LO be-
tween the contents of register A and
register E, and stores the result in register
A.
RAM addresses
register X, and the value y in the immediate
field to register Y. When the LXY instruc-
tions are continuously coded and executed,
only the first LXY instruction is executed
and other LXY instructions coded continu-
ously are skipped.
MITSUBISHI MICROCOMPUTERS
cycles
cycles
cycles
cycles
1
1
1
1
Flag CY
Flag CY
Flag CY
Flag CY
–
–
–
–
4282 Group
Skip condition
Skip condition
Skip condition
Skip condition
Continuous
Continuous
description
description
(Y) = 0
–
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