參數(shù)資料
型號： M37274EFSP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, MICROCONTROLLER, PDIP52
封裝： 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-52
文件頁數(shù)： 28/147頁
文件大?。?/td> 2042K
代理商： M37274EFSP
123
MITSUBISHI MICROCOMPUTERS
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.
OSD Control Register
Address 00CE16
Horizontal Position Register
Address 00CF16
b7 b6 b5 b4 b3 b2 b1 b0
OSD control register (OC) [Address 00CE16]
B
Name
Functions
After reset R W
OSD Control Register
0
OSD control bit
(OC0) (See note 1)
0 : All-blocks display off
1 : All-blocks display on
0
1
Scan mode selection
bit (OC1)
0 : Normal scnan mode
1 : Bi-scan mode
0
2
0 : All bordered
1 : Shadow bordered (See note 2)
0
4
Automatic solid space
control bit (OC4)
0
Border type selection
bit (OC2)
RW
3
0 : Color signal of character background
part does not flash
1 : Color signal of character background
part flashes
Flash mode selection
bit (OC3)
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
0R W
5
Window control bit
(OC5)
0R 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.
b7 b6 b5 b4 b3 b2 b1 b0
Horizontal position register (HP) [Address 00CF16 ]
B
Name
Functions
After reset RW
Horizontal Position Register
Control bits of horizontal
display start positions
(HP0 to HP7)
Horizontal display start positions
4TOSC !
(setting value of high-order 4 bits ! 161 +
setting value of low-order 4 bits ! 160)
0R W
0
to
7
Notes 1. The setting value synchronizes with the V SYNC.
2. TOSC = OSD oscillation period.
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