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參數(shù)資料
| 型號： | M37271MF-XXXSP |
| 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微機隱蔽字幕解碼器和屏幕顯示控制器 |
| 文件頁數(shù)： | 57/97頁 |
| 文件大?。?/td> | 1436K |
| 代理商： | M37271MF-XXXSP |
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MITSUBISHI MICROCOMPUTERS
M37271MF-XXXSP
M37271EF-XXXSP, M37271EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
57
Both H
SYNC
signal and V
SYNC
signal are negative-polarity input
Field
Even
Odd
Field
determination
flag(Note)
Display dot line
selection bit
Display dot line
0 (T2 > T1)
1 (T3 < T2)
0
1
0
1
When using the field determination flag, be sure to set bit 0 of the PWM mode register 1 (address 020A
16
) to “0.”
T2
T3
Character ROM font configuration diagram
Dot line 0
Dot line 1
Odd
Dot line 0
Dot line 1
(n–1) field
(Odd-numbered)
T1
0.25 to 0.50[ms] at
f(X
IN
) = 8 MHz
CC mode
·
EXOSD mode
1
3
5
7
9
11
13
15
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
10
2
4
6
8
10
12
14
16
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
10
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
OSD mode
H
SYNC
V
SYNC
and
V
SYNC
control
signal
in microcom-
puter
Upper :
V
SYNC
signal
Lower :
V
SYNC
control
signal in
micro-
computer
(n) field
(Even-numbered)
(n+1) field
(Odd-numbered)
When the display dot line selection bit is “0,”
the “ ” font is displayed at even field, the
“ ” font is displayed at odd field. Bit 7 of the
I/O polarity control register can be read as the
field determination flag : “1” is read at odd field,
“0” is read at even field.
Note :
The field determination flag changes at a rising edge of the V
SYNC
control signal (negative-polarity input) in
the microcomputer.
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