參數資料
型號: M34501M4
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機的CMOS
文件頁數: 60/113頁
文件大?。?/td> 1252K
代理商: M34501M4
Skip condition
Number of
cycles
Number of
words
Instruction
code
D
9
D
0
60
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
MACHINE INSTRUCTIONS (INDEX BY ALPHABET)
A n
(Add n and accumulator)
0
0
0
1
1
0
n
n
n
n
0
6
n
1
1
Overflow = 0
Grouping:
Description:
Adds the value n in the immediate field to
register A, and stores a result in register A.
The contents of carry flag CY remains un-
changed.
Skips the next instruction when there is no
overflow as the result of operation.
Executes the next instruction when there is
overflow as the result of operation.
Arithmetic operation
Operation:
(A)
(A) + n
n = 0 to 15
ADST
(A-D conversion STart)
1
0
1
0
0
1
1
1
1
1
2
9
F
1
1
Grouping:
Description:
A-D conversion operation
Clears (0) to A-D conversion completion flag
ADF, and the A-D conversion at the A-D con-
version mode (Q1
3
= 0) or the comparator
operation at the comparator mode (Q1
3
= 1)
is started.
Operation:
(ADF)
0
Q1
3
= 0: A-D conversion starting
Q1
3
= 1: Comparator operation starting
(Q1
3
: bit 3 of A-D control register Q1)
AM
(Add accumulator and Memory)
0
0
0
0
0
0
1
0
1
0
0
0
A
1
1
Grouping:
Description:
Arithmetic operation
Adds the contents of M(DP) to register A.
Stores the result in register A. The contents
of carry flag CY remains unchanged.
Operation:
(A)
(A) + (M(DP))
AMC
(Add accumulator, Memory and Carry)
0
0
0
0
0
0
1
0
1
1
0
0
B
1
1
0/1
Grouping:
Description:
Arithmetic operation
Adds the contents of M(DP) and carry flag
CY to register A. Stores the result in register
A and carry flag CY.
Operation:
(A)
(A) + (M(DP)) + (CY)
(CY)
Carry
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