參數(shù)資料
型號: M38C2XMX
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 15/63頁
文件大?。?/td> 1000K
代理商: M38C2XMX
15
38C2 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig. 12 Port block diagram (1)
(
1
)
P
o
r
t
s
P
0
0
P
0
3
(3) Port P3
0
Data bus
Serial I/O output
P
o
r
t
l
a
t
c
h
P
u
l
l
-
u
p
c
o
n
t
r
o
l
Serial I/O ready output
Data bus
P
o
r
t
l
a
t
c
h
D
i
r
e
c
t
i
o
n
r
e
g
i
s
t
e
r
P
u
l
l
-
u
p
c
o
n
t
r
o
l
P
u
l
l
-
u
p
c
o
n
t
r
o
l
Direction register
Data bus
S
e
r
i
a
l
I
/
O
i
n
p
u
t
P
o
r
t
l
a
t
c
h
Data bus
S
e
r
i
a
l
I
/
O
c
l
o
c
k
o
u
t
p
u
t
S
e
r
i
a
l
I
/
O
c
l
o
c
k
i
n
p
u
t
Serial I/O mode selection bit
Serial I/O enable bit
Direction register
Port latch
P
u
l
l
-
u
p
c
o
n
t
r
o
l
S
e
g
m
e
n
t
o
u
t
p
u
t
d
i
s
a
b
l
e
b
i
t
D
a
t
a
b
u
s
P
o
r
t
l
a
t
c
h
V
L
2
/
V
L
3
V
L
1
/
V
S
S
K
e
y
i
n
p
u
t
c
o
n
t
r
o
l
K
i
n
e
y
e
-
r
o
r
n
p
w
t
a
i
n
k
p
e
u
u
t
p
t
u
S
e
g
m
e
n
t
d
a
t
a
S
e
g
m
e
n
t
o
u
t
p
u
t
d
i
s
a
b
l
e
b
i
t
D
i
r
e
c
t
i
o
n
r
e
g
i
s
t
e
r
D
a
t
a
b
u
s
P
o
r
t
l
a
t
c
h
L
C
D
p
o
w
e
r
i
n
p
u
t
(
V
L
1
,
V
L
2
)
o
n
l
y
f
o
r
P
2
6
,
P
2
7
V
L
2
/
V
L
3
V
L
1
/
V
S
S
S
e
g
m
e
n
t
d
a
t
a
S
e
g
m
e
n
t
o
u
t
p
u
t
d
i
s
a
b
l
e
b
i
t
Segment output disable bit
(
2
)
P
o
r
t
s
P
0
4
P
0
7
,
P
1
,
P
2
D
i
r
e
c
t
i
o
n
r
e
g
i
s
t
e
r
Serial I/O mode selection bit
Serial I/O enable bit
S
RDY
output enable bit
(5) Port P3
2
P
3
2
/
T
u
a
a
g
x
t
b
b
i
s
D
2
p
u
l
e
l
e
t
e
P
d
b
b
r
-
i
t
i
t
c
s
h
a
a
b
n
l
e
n
e
b
l
t
o
n
n
e
t
i
S
T
D
e
r
r
a
i
r
i
a
n
e
l
s
c
I
m
t
i
/
O
i
o
e
e
r
i
t
n
(6) Port P3
3
S
e
R
r
e
i
a
c
l
e
I
i
/
v
O
e
e
e
n
n
a
a
b
b
l
l
e
e
b
b
i
i
t
t
(
4
)
P
o
r
t
P
3
1
Serial I/O synchronous
clock selection bit
Serial I/O enable bit
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