參數(shù)資料
型號： M37274MA-053SP
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)： 67/147頁
文件大小： 2042K
代理商： M37274MA-053SP
67
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
Fig. 65. Block Control Registers
Fig. 64. OSD Control Register
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)
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
Block control register i (BCi) (i=1 to 16) [Addresses 00D0
16
to 00DF
16
]
(See note 1)
Block Control register i
0, 1 Display mode
selection bits
(BCi0, BCi1)
Indeterminate
3, 4 Dot size selection
bits (BCi3, BCi4)
5, 6 Pre-divide ratio
layer selection bit
(BCi5, BCi6)
7
OUT2 output control bit
(BCi7) (See note 2)
b1
0
0
1
1
b0
0: Display OFF
1: OSD mode
0: CC mode
1: EXOSD mode
BC17: Window top boundary
BC27: Window bottom boundary
B
Name
Functions
After reset
R W
R W
Indeterminate
R W
Indeterminate
R W
Indeterminate
R W
2
Border control bit
(BCi2)
0: Border OFF
1: Border ON
Indeterminate
R W
Notes 1:
Note that MASK version the block control registers at addresses 00D0
16
to 00DB
16
when programming.
2:
Bit 4 of the color code 1 controls OUT1 output when bit 7 is "0".
Bit 4 of the color code 1 controls OUT2 output when bit 7 is "1".
3:
CS6 : Bit 6 of the clock control register (address 0216
16
)
4:
Tc : Pre-devided clock period for OSD
5:
H : Hsync
b6 b5
b4 b3 CS6 Pre-divide Dot size Display
ratio
0
0
1
1
0
0
1
1
0
0
1
1
—
—
0
0
1
1
1
layer
0
1
0
1
1
1
2
3
1
2
1Tc
1/2H
1Tc
1H
2Tc
2H
3Tc
3H
1Tc
1/2H
1Tc
1H
2Tc
2H
3Tc
3H
1Tc
1/2H
1Tc
1H
2Tc
2H
3Tc
3H
1Tc
1/2H
1Tc
1H
1Tc
1/2H
1Tc
1H
1.5Tc
1/2H
1.5Tc
1H
0
0
1
1
1
Layer1
Layer2
—
—
—
0
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
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