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參數(shù)資料
| 型號： | M37274MA-082SP |
| 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)： | 89/147頁 |
| 文件大?。?/td> | 2042K |
| 代理商： | M37274MA-082SP |
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89
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274EFSP
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
MITSUBISHI MICROCOMPUTERS
Extra font
There are 16 kinds of the extra fonts configured with 16
26 dots in
OSD ROM. This 16 kinds fonts can be displayed by ORed with the
character font by a character unit (refer to Figure 62). In only the
EXOSD mode, the extra font is controlled the following : bits 7 to 5 of
the color code 1 and bit 3 of the color code 2.
The extra font color for each screen is specified by the extra color
register. When the character font overlaps with the extra font, the
color of the area becomes the ORed color of both fonts.
Fig. 86. Extra Font Color Register
Fig. 87. Display Example of Only Extra Font
16 dots
2
16 dots
2
16 dots
2
+
(OR)
Extra font specified by EX0 to EX3
Blank character font
b7b6 b5b4b3 b2b1b0
0
Extra font color register (EC) [Address 0219
16
]
B
0
After reset
R W
Extra Font Color Register
3, 4
1
0
Name
Functions
Extra font color G
control bit (EC1)
0
Fix these bits to “0.”
0 : No output
1 : Output
R W
R —
R W
Extra font color R
control bit (EC0)
0 : No output
1 : Output
2
Extra font color B
control bit (EC2)
0
0 : No output
1 : Output
R W
0
R W
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
5
to
7
0
Notes 1 :
When using the extra font, set bits 7 and 6 of the OSD
control register to “0” (refer to Figure 64).
2 :
Extra fonts are always displayed by ORed with the char-
acter font. Accordingly, when displaying only a extra font,
set a blank for a character font and OR with it.
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