參數(shù)資料
型號(hào)： 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(yè)數(shù)： 72/113頁(yè)
文件大?。?/td> 1252K
代理商： M34501E4FP
Skip condition
Number of
cycles
Number of
words
Instruction
code
D
9
D
0
72
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
SEA n
(Skip Equal, Accumulator with immediate data n)
0
0
0
0
1
0
0
1
0
1
0
2
5
2
2
–
(A) = n
Grouping:
Description:
Comparison operation
Skips the next instruction when the contents
of register A is equal to the value n in the im-
mediate field.
Executes the next instruction when the con-
tents of register A is not equal to the value n
in the immediate field.
Operation:
(A) = n
n = 0 to 15
SEAM
(Skip Equal, Accumulator with Memory)
0
0
0
0
1
0
0
1
1
0
0
2
6
1
1
–
(A) = (M(DP))
Grouping:
Description:
Comparison operation
Skips the next instruction when the contents
of register A is equal to the contents of
M(DP).
Executes the next instruction when the con-
tents of register A is not equal to the
contents of M(DP).
Operation:
(A) = (M(DP))
2
16
0
0
0
1
1
1
n
n
n
n
0
7
n
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SNZ0
(Skip if Non Zero condition of external 0 interrupt request flag)
0
0
0
0
1
1
1
0
0
0
0
3
8
1
1
–
V1
0
= 0: (EXF0) = 1
Grouping:
Description:
Interrupt operation
When V1
0
= 0 : Skips the next instruction
when external 0 interrupt request flag EXF0
is “1.” After skipping, clears (0) to the EXF0
flag. When the EXF0 flag is “0,” executes the
next instruction.
When V1
0
= 1 : This instruction is equivalent
to the NOP instruction.
Operation:
V1
0
= 0: (EXF0) = 1
After skipping, (EXF0)
←
0
V1
0
= 1: SNZ0 = NOP
(V1
0
: bit 0 of the interrupt control register V1)
SNZAD
(Skip if Non Zero condition of A-D conversion completion flag)
1
0
1
0
0
0
0
1
1
1
2
8
7
1
1
–
V2
2
= 0: (ADF) = 1
Grouping:
Description:
A-D conversion operation
When V2
2
= 0 : Skips the next instruction
when A-D conversion completion flag ADF is
“1.” After skipping, clears (0) to the ADF flag.
When the ADF flag is “0,” executes the next
instruction.
When V2
2
= 1 : This instruction is equivalent
to the NOP instruction.
Operation:
V2
2
= 0: (ADF) = 1
After skipping, (ADF)
←
0
V2
2
= 1: SNZAD = NOP
(V2
2
: bit 2 of the interrupt control register V2)
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參數(shù)描述
M34501M2 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
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