參數資料
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： 123/147頁
文件大?。?/td> 2042K
代理商： M37274MA-082SP
123
MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
OSD Control Register
Address 00CE
16
Horizontal Position Register
Address 00CF
16
b7b6b5b4b3b2b1b0
OSD control register (OC) [Address 00CE
16
]
B
0
Name
Functions
After reset
R W
0
OSD Control Register
OSD control bit
(OC0) (See note 1)
Scan mode selection
bit (OC1)
Border type selection
bit (OC2)
Flash mode selection
bit (OC3)
0 : All-blocks display off
1 : All-blocks display on
0 : Normal scnan mode
1 : Bi-scan mode
0 : All bordered
1 : Shadow bordered (See note 2)
0 : Color signal of character background
part does not flash
1 : Color signal of character background
part flashes
1
0
2
0
0
4
Automatic solid space
control bit (OC4)
0
R W
R W
R W
R W
R W
3
6, 7
Layer mixing control
bits (OC6, OC7)
(See note 3)
0 0: Logic sum (OR) of layer 1’s
color and layer 2’s color
0 1: Layer 1’s color has priority
1 0: Layer 2’s color has priority
1 1: Do not set.
b7 b6
0 : OFF
1 : ON
0
R W
5
Window control bit
(OC5)
0
R W
0 : OFF
1 : ON
Notes 1 :
Even this bit is switched during display, the display screen
remains unchanged until a rising (falling) of the next V
SYNC
.
2 :
Shadow border is output at right and bottom side of the font.
3 :
Set “00” during displaying extra fonts.
b7b6b5b4b3b2b1b0
Horizontal position register (HP) [Address 00CF
16
]
B
0
to
7
Name
Functions
After reset
R W
0
Horizontal Position Register
Control bits of horizontal
display start positions
(HP0 to HP7)
Horizontal display start positions
4T
OSC
(
setting value of high-order 4 bits
16
1
+
setting value of low-order 4 bits
16
0
)
R W
Notes 1.
The setting value synchronizes with the V
SYNC
.
2.
T
OSC
= OSD oscillation period.
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