參數(shù)資料
型號: HD404314
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微電腦(4位單片微計算機)
文件頁數(shù): 10/66頁
文件大?。?/td> 428K
代理商: HD404314
HD404318 Series
10
Table 1
Initial Values of Flags after MCU Reset
Item
Initial Value
Interrupt flags/mask
Interrupt enable flag (IE)
0
Interrupt request flag (IF)
0
Interrupt mask (IM)
1
Bit registers
Watchdog timer on flag (WDON)
0
A/D start flag (ADSF)
0
Input capture status flag (ICSF)
0
Input capture error flag (ICEF)
0
I
AD
off flag (IAOF)
RAM enable flag (RAME)
0
0
Bit 3
Bit 2
Bit 1
Bit 0
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)
IMS
(IM of serial)
IFS
(IF of serial)
IMAD
(IM of A/D)
IFAD
(IF of A/D)
$0000
$0001
$0002
$0003
Interrupt control bits area
IM0
(IM of
INT
0
)
IF0
(IF of
INT
0
)
RSP
(Reset SP bit)
IE
(Interrupt
enable flag)
ICSF
(Input capture
status flag)
$020
$021
$022
$023
Register flag area
ADSF
(A/D start flag)
WDON
(Watchdog
on flag)
ICEF
(Input capture
error flag)
Not used
RAME
(RAM enable
flag)
IF:
request flag
IM:
Interrupt
mask
IE:
Interrupt
enable flag
SP:
Stack pointer
Interrupt
Bit 3
Bit 2
Bit 1
Bit 0
RAM Address
IAOF
(I
AD
off flag)
Not used
Not used
Figure 3 Interrupt Control Bits and Register Flag Areas Configuration
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