參數(shù)資料
型號: HD404618H
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數(shù): 11/89頁
文件大?。?/td> 358K
代理商: HD404618H
HD404618 Series
11
0
1
2
3
Bit 3
Bit 2
Bit 1
Bit 0
IM0
(IM of
INT
)
0
IF0
(IF of
INT
)
0
RSP
(Reset SP bit)
IE
(Interrupt enable flag)
IMTA
(IM of timer A)
IFTA
(IF of timer A)
IM1
(IM of
INT
)
1
IF1
(IF of
INT
)
1
IMTC
(IM of timer C)
IFTC
(IF of timer C)
IMTB
(IM of timer B)
IFTB
(IF of timer B)
Not used
Not used
IMS
(IM of serial)
IFS
(IF of serial)
$000
$001
$002
$003
32
35
DTON
Direct transfer on flag
TGSP
(Tone generator
speed flag)
WDON
(Watchdog on flag)
LSON
(Low speed on flag)
Not Used
$020
$021
$023
IF: Interrupt request flag
IM: Interrupt mask
IE: Interrupt enable flag
SP: Stack pointer
Note: Bits in the interrupt control bits area and register flag area are set by the SEM or SEMD
instruction, reset by the REM or REMD instruction, and tested by the TM or TMD instruction.
Other instructions have no effect.
Figure 3 Configuration of Interrupt Control Bits and Register Flag Areas
IF
RSP
WDON
TGSP
DTON
SEM/SEMD
Not executed
Not executed
Allowed
Allowed
REM/REMD
Allowed
Allowed
Not executed
Allowed
TM/TMD
Allowed
Inhibited
Inhibited
Inhibited
Not executed in active mode
Used in subactive mode
Allowed
Allowed
Note: WDON is always reset in active mode.
DTON is always reset in active mode.
If the TM or TMD instruction is executed for the inhibited bits or non-existing bits,
the value in ST becomes invalid.
Figure 4 Usage Limitations of RAM Bit Manipulation Instructions
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相關代理商/技術參數(shù)
參數(shù)描述
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