參數(shù)資料
型號(hào): 7641
英文描述: 7641 Group Datasheet Datasheet 2145K/MAR.26.02
中文描述: 7641組數(shù)據(jù)表數(shù)據(jù)表2145K/MAR.26.02
文件頁數(shù): 76/137頁
文件大?。?/td> 2145K
代理商: 7641
75
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 70 Structure of CPU mode register A
C
C
P
P
U
M
A
m
o
d
e
r
e
g
i
s
t
e
r
A
(
a
d
d
r
e
s
s
0
0
0
0
1
6
)
Processor mode bits
b1b0
0 0: Single-chip mode
0 1: Memory expansion mode
1 0: Microprocessor mode (
Note 1
)
1 1: Not available
Stack page select bit
0: Page 0
1: Page 1
Fix to
1
.
Sub-clock (X
CIN
-X
COUT
) control bit
0: Stopped
1: Oscillating
Main clock (X
IN
-X
OUT
) control bit
0: Oscillating
1: Stopped
Internal system clock select bit (
Note 2
)
0: External clock (X
IN
-X
OUT
or X
CIN
-X
COUT
)
1: f
SYN
External clock select bit
0: X
IN
-X
OUT
1: X
CIN
-X
COUT
b
0
b
7
1
N
o
t
e
s 1
:
:
T
W
b
T
h
i
s
e
t
w
e
i
n
e
i
s
(
e
t
n
C
n
e
o
t
a
M
(
X
I
n
a
v
A
N
)
l
c
a
i
l
6
o
a
,
o
c
b
r
k
l
e
)
f
(
φ
X
I
i
i
=
n
N
)
s
(
t
0
/
t
h
h
e
,
2
e
0
b
f
l
a
,
y
n
s
t
C
t
e
h
h
e
C
r
n
m
R
a
e
n
7
l
m
t
e
.
s
y
o
r
n
r
y
a
l
v
e
y
r
s
s
i
e
o
n
m
.
2
h
e
h
P
f
r
7
)
i
s
t
c
l
o
c
k
c
a
n
b
e
s
e
l
e
c
t
e
d
n
l
i
s
t
e
m
c
l
o
c
k
d
i
v
i
d
e
d
b
y
2
.
C
C
P
P
U
M
B
m
o
d
e
r
e
g
i
s
t
e
r
B
(
a
d
d
r
e
s
s
0
0
0
1
1
6
)
S
l
o
w
m
e
m
o
r
y
w
a
i
t
s
e
l
e
c
t
b
i
t
s
b
0
0
1
1
l
o
1
b
0
1
0
1
w
0
:
:
:
:
m
N
O
T
T
o
n
w
h
e
e
o
r
e
m
w
-
-
a
t
i
t
i
e
o
i
t
m
m
-
t
r
y
e
e
m
w
w
w
e
a
a
a
w
i
t
i
i
t
t
a
m
i
i
t
o
S
d
e
s
e
l
e
c
t
b
i
t
s
b
0
0
1
1
x
0
1
O
0
1
e
i
x
3
b
0
1
0
1
p
:
:
L
:
:
s
t
2
:
:
:
:
n
D
D
D
H
H
e
r
o
S
N
R
S
d
o
o
D
o
e
M
M
f
u
L
L
e
v
1
f
t
t
Y
f
t
d
A
A
n
D
D
e
.
w
a
w
c
d
a
v
w
a
d
o
o
t
i
f
u
f
u
b
r
e
i
l
i
e
t
a
u
t
u
t
o
n
n
n
i
t
a
t
p
p
c
c
(
w
b
a
l
e
i
t
a
a
r
a
w
m
u
u
e
t
i
o
t
i
o
0
a
e
t
t
n
n
n
i
t
m
d
i
e
n
a
b
a
p
l
u
r
b
b
s
a
n
a
r
e
s
y
l
l
b
e
e
i
b
b
a
R
a
d
d
t
l
e
l
e
d
D
c
Y
e
s
i
n
s
p
b
u
i
t
a
n
y
t
i
m
e
w
a
i
t
E
a
E
E
o
a
a
l
e
i
c
t
s
H
O
O
d
e
t
d
d
/
w
R
F
r
i
t
e
)
b0
b
7
1 0
Fig. 71 Structure of CPU mode register B
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