參數(shù)資料
型號(hào): M34571G4
廠商: Renesas Technology Corp.
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): 78/126頁
文件大?。?/td> 1627K
代理商: M34571G4
Rev.1.02
REJ03B0179-0102
May 25, 2007
Page 78 of 124
4571 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
OP1A
(Output port P1 from Accumulator)
Instruc-
tion
code
1
0
0
0
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
0
0
0
2
2
1 16
1
1
-
-
Opera-
tion:
(P1)
(A)
Grouping:
Description: Outputs the contents of register A to port P1.
Input/Output operation
OP2A
(Output port P2 from Accumulator)
Instruc-
tion
code
1
0
0
0
D
9
D
0
0 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
0
0
1
2
2
2 16
1
1
-
-
Opera-
tion:
(P2
1
, P2
0
)
(A
1
, A
0
)
Grouping:
Description: Outputs the contents of the low-order 2 bits (A
1
, A
0
) of reg-
ister A to port P2.
Input/Output operation
OP3A
(Output port P3 from Accumulator)
Instruc-
tion
code
1
0
0
0
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
0
0
1
2
2
3 16
1
1
-
-
Opera-
tion:
(P3
1
, P3
0
)
(A
1
, A
0
)
Grouping:
Description: Outputs the contents of the low-order 2 bits (A
1
, A
0
) of reg-
ister A to port P3.
Input/Output operation
OR
(logical OR between accumulator and memory)
Instruc-
tion
code
0
0
0
0
0
1
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
0
0
1
9 16
1
1
-
-
Opera-
tion:
(A)
(A) OR (M(DP))
Grouping:
Description: Takes the OR operation between the contents of register A
and the contents of M(DP), and stores the result in register
A.
Arithmetic operation
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