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參數(shù)資料
| 型號： | M37273M8-204SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| 中文描述： | 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器 |
| 文件頁數(shù)： | 69/130頁 |
| 文件大?。?/td> | 1663K |
| 代理商： | M37273M8-204SP |
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68
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37273MFH
–
XXXSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
The horizontal display start position is common to all blocks, and can
be set in 128 steps (where 1 step is 4T
OSC
, T
OSC
being the OSD
oscillation cycle) as values “00
16
” to “FF
16
” in bits 0 to 6 of the hori-
zontal position register (address 00D1
16
). The horizontal position reg-
ister is shown in Figure 8.11.8.
Fig. 8.11.8 Horizontal Position Register
Notes 1 :
1T
C
(T
C
: OSD clock cycle divided in pre-divide circuit) gap occurs
between the horizontal display start position set by the horizontal
position register and the most left dot of the 1st block. Accordingly,
when 2 blocks have different pre-divide ratios, their horizontal dis-
play start position will not match.
2 :
The horizontal start position is based on the OSD clock source cycle
selected for each block. Accordingly, when 2 blocks have different
OSD clock source cycles, their horizontal display start position will
not match.
3 :
When setting “00
16
” to the horizontal position register, it needs ap-
proximately 62T
OSC
(= T
def
) interval from a rising edge (when nega-
tive polarity is selected) of H
SYNC
signal to the horizontal display start
position.
Fig. 8.11.9 Notes on Horizontal Display Start Position
4
T
O
S
C
’
N
4
T
O
S
C
N
H
S
Y
N
C
1
T
C
1
T
C
1T
C
N
o
t
e
1
N
o
t
e
2
Block 2 (Pre-divide ratio = 2, clock source = data slicer clock)
B
l
o
c
k
3
(
P
r
e
-
d
i
v
i
d
e
r
a
t
i
o
=
3
,
c
l
o
c
k
s
o
u
r
c
e
=
d
a
t
a
s
l
i
c
e
r
c
l
o
c
k
)
B
l
o
c
k
4
(
P
r
e
-
d
i
v
i
d
e
r
a
t
i
o
=
3
,
c
l
o
c
k
s
o
u
r
c
e
=
O
S
C
1
)
T
d
e
f
T
d
e
f
’
N
1T
C
: OSD clock cycle divided in pre-divide circuit
T
OSC
: OSD oscillation cycle
T
def
: 62 T
OSC
: Value of horizontal position register (decimal notation)
b7b6b5b4b3b2b1b0
Horizontal position register (HP) [Address 00D1
16
]
B
0
to
6
Name
Horizontal Position Register
7
Horizontal display start
position control bits
(HP0 to HP6)
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is
“
0.
”
Functions
After reset R W
Horizontal display start positions
128 steps (00
16
to 7F
16
)
(1 step is 4T
OSC
)
0
0
R W
R
—
Note:
The setting value synchronizes with the V
SYNC
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37273M8-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37273MF | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37273MF-251SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37273MFH | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37273MFH-0515P | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
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