參數(shù)資料
型號(hào): M34559G6
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): 91/148頁
文件大?。?/td> 1732K
代理商: M34559G6
Rev.1.04
REJ03B0188-0104
Aug 23, 2007
Page 91 of 146
4559 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
EI
(Enable Interrupt)
Instruc-
tion
code
0
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
0
0
0
0
0
0
1
0
0
0
5 16
1
1
-
-
Opera-
tion:
(INTE)
1
Grouping:
Description: Sets (1) to interrupt enable flag INTE, and enables the
interrupt.
Note:
Interrupt is enabled by executing the EI instruction after
executing 1 machine cycle.
Interrupt control operation
EPOF
(Enable POF instruction)
Instruc-
tion
code
0
0
0
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
1
1
0
1
0
5
B 16
1
1
-
-
Opera-
tion:
POF instruction or POF2 instruction valid
Grouping:
Description: Makes the immediate after POF instruction or POF2
instruction valid by executing the EPOF instruction.
Other operation
IAP0
(Input Accumulator from port P0)
Instruc-
tion
code
1
0
0
1
D
9
D
0
0 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
0
0
0
2
6
0 16
1
1
-
-
Opera-
tion:
(A)
(P0)
Grouping:
Description: Transfers the input of port P0 to register A.
Input/Output operation
IAP1
(Input Accumulator from port P1)
Instruc-
tion
code
1
0
0
1
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
0
0
0
2
6
1 16
1
1
-
-
Opera-
tion:
(A)
(P1)
Grouping:
Description: Transfers the input of port P1 to register A.
Input/Output operation
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