參數(shù)資料
型號: M34501E4FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機(jī)的CMOS
文件頁數(shù): 66/113頁
文件大?。?/td> 1252K
代理商: M34501E4FP
Skip condition
Number of
cycles
Number of
words
Instruction
code
D
9
D
0
66
4501 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D
9
D
0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D
9
D
0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D
9
D
0
Flag CY
2
16
INY
(INcrement register Y)
0
0
0
0
0
1
0
0
1
1
0
1
3
1
1
(Y) = 0
Grouping:
Description:
RAM addresses
Adds 1 to the contents of register Y. As a re-
sult of addition, when the contents of register
Y is 0, the next instruction is skipped. When
the contents of register Y is not 0, the next
instruction is executed.
Operation:
(Y)
(Y) + 1
LA n
(Load n in Accumulator)
0
0
0
1
1
1
n
n
n
n
0
7
n
1
1
Continuous
description
Grouping:
Description:
Arithmetic operation
Loads the value n in the immediate field to
register A.
When the LA instructions are continuously
coded and executed, only the first LA in-
struction is executed and other LA
instructions coded continuously are skipped.
Operation:
(A)
n
n = 0 to 15
LXY x, y
(Load register X and Y with x and y)
1
1
x
3
x
2
x
1
x
0
y
3
y
2
y
1
y
0
3
x
y
1
1
Continuous
description
Grouping:
Description:
RAM addresses
Loads the value x in the immediate field to
register X, and the value y in the immediate
field to register Y. When the LXY instructions
are continuously coded and executed, only
the first LXY instruction is executed and
other LXY instructions coded continuously
are skipped.
Operation:
(X)
x x = 0 to 15
(Y)
y y = 0 to 15
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
LZ z
(Load register Z with z)
0
0
0
1
0
0
1
0
z
1
z
0
0
4
1
1
Grouping:
Description:
RAM addresses
Loads the value z in the immediate field to
register Z.
Operation:
(Z)
z z = 0 to 3
8
+z
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