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參數(shù)資料
| 型號： | LC74785 |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, SDIP-24 |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 266K |
| 代理商： | LC74785 |
No. 5520-14/24
LC74785, LC74785M
COMMAND4 (Display control setup command)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
—
1
6
—
1
5
—
0
4
—
0
3
TSTMOD
0
Normal operating mode
This bit must be set to 0.
1
Test mode
2
RAMERS
0
1
Erase display RAM. (Set the RAM data to 7F hexadecimal.)
1
OSCSTP
0
Do not stop the crystal and LC oscillators.
1
Stop the crystal and LC oscillators.
0
SYSRST
0
1
Reset all registers and turn display off.
Command 4 identification code
Display control setup
Second byte
Note: All registers are set to 0 when the LC74785/M is reset by the RST pin.
DA
Register
Contents
Notes
0 to 7
State
Function
7
—
0
Second byte identification bit
6
BLK2
0
Character display area
Specifies the size for complete fill in
1
Video display area
5
BLK1
0
1
Changes the blanking size
4
BLK0
0
1
3
BK1
0
Blinking period: About 0.5 s
Switches the blinking period
1
Blinking period: About 1.0 s
2
BK0
0
Blinking off
1
Blinking on
1
RV
0
Reverse (character reversing) off
1
Reverse (character reversing) on
0
DSPON
0
Character display off
1
Character display on
Blinking in reverse video mode switches the display between
normal character display and reverse video display.
Erasing RAM takes about 500 s. (This operation
must be executed in the DSPOFF state.)
Valid in external synchronization mode when
character display is off.
The registers are reset when the CS1 pin is low,
and the reset state is cleared when CS1 is set high,
BLK0
0
1
BLK1
0
Blanking off
Character size
1
Border size Full character size
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| LC74785M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74786M | ON-SCREEN DISPLAY IC, PDSO24 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LC74785M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74786 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74786-9606-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack |
| LC74786JM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74786M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
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