
124
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6/M8–XXXSP/FP, M37272MA–XXXSP
M37272E8SP/FP, M37272EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.3
b7 b6 b5b4 b3 b2 b1 b0
OSD control register (OC) [Address 00D0
16]
B Name
Functions After reset R
W
OSD Control Register
0 OSD control bit
(OC0) (See note)
0 : All-blocks display off
1 : All-blocks display on
0
1
Automatic solid space
control bit (OC1)
0 : OFF
1 : ON
0
2
0 : OFF
1 : ON
0
0
4 OSD mode clock
selection bit (OC4)
0
Window control bit
(OC2)
RW
RW
RW
RW
RW
3
0 : Data slicer clock
1 : Clock from OSC1 pin
CC mode clock
selection bit (OC3)
5, 6 OSC1 clock
selection bit
(OC5, OC6)
0 0: 32 kHz oscillating
0 1: Do not set.
1 0: LC oscillating,
Ceramic oscillating
1 1: Do not set.
b6 b5
0 : Data slicer clock
1 : Clock from OSC1 pin
7 Fix this bit to “0.”
0RW
0RW
0
Note: Even this bit is switched during display, the display screen
remains unchanged until a rising (falling) of the next V
SYNC.
b
7b
6b
5b
4b
3b
2b
1b
0
D
p
o
r
t
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
P
F
[
A
d
d
r
e
s
s
0
0
B
1
6
]
BN
a
m
F
u
n
c
t
i
o
n
R
W
D
P
o
r
t
o
n
t
r
o
l
R
e
g
i
s
t
e
r
0
2
0
30
:
s
i
g
n
a
l
o
u
t
p
u
t
1
:
P
o
r
t
P
5
3
o
u
t
p
u
t
0
0
F
i
x
t
h
e
s
e
b
i
t
s
t
o
0
.
”
R—
RW
RW
RW
0
,
1
P
o
r
t
P
5
3
o
u
t
p
u
t
s
i
g
n
a
l
s
e
l
e
c
t
i
o
n
b
i
t
(
P
F
3
)
4
0
:
B
s
i
g
n
a
l
o
u
t
p
u
t
1
:
P
o
r
t
P
5
4
o
u
t
p
u
t
0RW
P
o
r
t
P
5
4
o
u
t
p
u
t
s
i
g
n
a
l
s
e
l
e
c
t
i
o
n
b
i
t
(
P
F
4
)
0RW
0
:
R
s
i
g
n
a
l
o
u
t
p
u
t
1
:
P
o
r
t
P
5
2
o
u
t
p
u
t
P
o
r
t
P
5
2
o
u
t
p
u
t
s
i
g
n
a
l
s
e
l
e
c
t
i
o
n
b
i
t
(
P
F
2
)
5
0
:
U
T
1
s
i
g
n
a
l
o
u
t
p
u
t
1
:
P
o
r
t
P
5
3
o
u
t
p
u
t
P
o
r
t
P
5
5
o
u
t
p
u
t
s
i
g
n
a
l
s
e
l
e
c
t
i
o
n
b
i
t
(
P
F
5
)
70
:
P
o
r
t
P
1
0
o
u
t
p
u
t
1
:
O
U
T
2
s
i
g
n
a
l
o
u
t
p
u
t
P
o
r
t
P
1
0
o
u
t
p
u
t
s
i
g
n
a
l
s
e
l
e
c
t
i
o
n
b
i
t
(
P
F
7
)
00
0
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
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
.
”
R—
6
Address 00CB16
Address 00D016
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