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): 19/137頁
文件大?。?/td> 2145K
代理商: 7641
18
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7641 Group
Fig. 14 Port block diagram (3)
H
O
L
D
S
1
H
L
D
A
(
1
3
)
P
o
r
t
P
7
1
D
a
t
a
b
u
s
D
r
i
e
r
e
g
c
i
s
t
i
o
e
n
r
t
P
o
r
t
l
a
t
c
h
H
O
L
D
f
u
n
c
t
i
o
n
e
n
a
b
l
e
b
i
t
H
O
L
D
e
n
f
u
a
n
b
c
l
e
t
i
o
b
n
i
t
(
1
5
)
P
o
r
t
P
7
3
IB
F
1
o
u
t
p
u
t
e
n
a
b
l
e
b
i
t
Data bus buffer function
select bit
H
O
L
D
e
n
f
u
a
Direction
register
n
b
c
l
e
t
i
o
b
n
i
t
P
o
r
t
l
a
t
c
h
IB
F
1
o
u
t
p
u
t
Data bus
(17) Port P8
0
D
r
i
e
r
e
g
c
i
s
t
i
o
e
n
r
t
P
o
r
t
l
a
t
c
h
Data bus
S
T
R
2
D
T
Y
r
o
n
u
s
t
m
p
u
i
t
t
e
s
e
n
l
e
b
c
l
t
b
b
i
i
t
t
(
U
A
R
)
a
a
e
S
R
D
Y
o
u
t
p
u
t
S
P
I
m
o
d
e
s
e
l
e
c
t
b
i
t
SPI mode select bit
C
c
o
o
n
m
t
p
r
o
a
l
t
i
f
b
o
l
r
e
S
m
P
I
d
o
e
(
U
A
R
T
2
)
U
T
X
D
2
o
u
t
p
u
t
Data bus buffer function select bit
(
1
4
)
P
o
r
t
P
7
2
Data bus
D
r
i
e
r
e
g
c
i
s
t
i
o
e
n
r
t
P
o
r
t
l
a
t
c
h
Data bus buffer
function select bit
D
a
t
a
b
u
s
b
u
f
f
e
r
f
u
n
c
t
i
o
n
s
e
l
e
c
t
b
i
t
(
1
O
6
B
)
F
1
P
o
o
r
t
t
P
u
7
4
e
Data bus
D
r
i
e
r
e
g
c
i
s
t
i
o
e
n
r
t
Port latch
u
p
t
n
a
b
l
e
b
i
t
O
B
F
1
o
u
t
p
u
t
(18) Port P8
1
Data bus
Direction
register
Port latch
(Serial I/O) Internal synchronous clock select bits
Serial I/O port select bit
(UART2) Receive enable bit
(
U
A
R
T
2
)
R
e
c
e
i
v
e
e
n
a
b
l
e
b
i
t
(Serial I/O) Internal
synchronous clock
select bits
(UART2) Receive enable bit
(UART2) URXD2 input
Serial I/O clock input
Serial I/O clock output
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