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User`s manual

ManualsBrandsRenesas ManualsNetwork CardPCA7401
150151152153154155156157158159
157
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
Address 021316
b
7b
6 b
5b
4b3 b
2b1b
0
S
e
r
i
a
l
I
/
O
m
o
d
e
r
e
g
i
s
t
e
r
(
S
M
)
[
A
d
d
r
e
s
s
0
2
1
3
1
6]
BN
a
m
eF
u
n
c
t
i
o
n
s
After reset
RW
S
e
r
i
a
l
I
/
O
M
o
d
e
R
e
g
i
s
t
e
r
0
,
1I
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c
t
i
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n
b
i
t
s
(
S
M
0
,
S
M
1
)
b1 b0
0 0: f(X
IN)/8 or f(XCIN)/8
0 1: f(X
IN)/16 or f(XCIN)/16
1 0: f(X
IN)/32 or f(XCIN)/32
1 1: f(X
IN)/64 or f(XCIN)/64
2
S
y
n
c
h
r
o
n
o
u
s
c
l
o
c
k
s
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l
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c
t
i
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n
b
i
t
(
S
M
2
)
3
P
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r
t
f
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n
c
t
i
o
n
s
e
l
e
c
t
i
o
n
b
i
t
(
S
M
3
)
6
5
Transfer direction
selection bit (SM5)
0
:
P
11,
P
13
1
:
S
C
L
1
,
S
D
A
1
0: External clock
1: Internal clock
0
:
T
r
a
n
s
f
e
r
f
r
o
m
t
h
e
l
a
s
t
s
i
g
n
i
f
i
c
a
n
t
b
i
t
(
L
S
B
)
1
:
T
r
a
n
s
f
e
r
f
r
o
m
t
h
e
t
o
p
s
i
g
n
i
f
i
c
a
n
t
b
i
t
(
M
S
B
)
0
0
0
0
0
0
RW
RW
RW
R
W
RW
RW
4
P
o
r
t
f
u
n
c
t
i
o
n
s
e
l
e
c
t
i
o
n
b
i
t
(
S
M
4
)
0
:
P
12,
P
14
1
:
S
C
L
2
,
S
D
A
2
7
N
o
t
h
i
n
g
i
s
a
s
s
i
g
n
e
d
.
T
h
i
s
b
i
t
i
s
a
w
r
i
t
e
d
i
s
a
b
l
e
b
i
t
.
W
h
e
n
t
h
i
s
b
i
t
i
s
r
e
a
d
o
u
t
,
t
h
e
v
a
l
u
e
i
s
“
0
.
”
0R—
S
I
N
p
i
n
s
w
i
t
c
h
b
i
t
(
S
M
6
)
0: P1
7 is SIN pin
1: P7
2 is SIN pin