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參數(shù)資料
| 型號： | LC74794 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路（LSI）) |
| 中文描述： | 屏幕顯示控制器芯片（用于屏幕顯示控制器規(guī)模集成電路（LSI）的） |
| 文件頁數(shù)： | 12/30頁 |
| 文件大?。?/td> | 217K |
| 代理商： | LC74794 |
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No. 5557-12/30
LC74794, 74794M
COMMAND4 (Display control setup command)
First byte
DA
0 to 7
7
6
5
4
Register
Contents
Notes
State
1
1
0
0
0
1
0
1
0
1
0
1
Function
—
—
—
—
3
TSTMOD
Normal operating mode
Test mode
This bit must be set to 0.
2
RAMERS
Erase display RAM. (Set the RAM data to 7F hexadecimal.)
Do not stop the crystal and LC oscillators.
Stop the crystal and LC oscillators.
1
OSCSTP
0
SYSRST
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 LC74794/M is reset by the RST pin.
DA
0 to 7
7
Register
Contents
Notes
State
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Function
—
Second byte identification bit
Character display area
Video display area
6
BLK2
Specifies the size for complete fill-in
5
BLK1
Changes the blanking size
4
BLK0
3
BK1
Blinking period: About 0.5 s
Blinking period: About 1.0 s
Blinking off
Blinking on
Reverse video off
Reverse video on
Character display off
Character display on
Switches the blinking period
2
BK0
1
RV
0
DSPON
Blinking in reverse video mode switches the
display between normal character display and
reverse video display.
Erasing RAM takes about 500 μs. (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
1
Blanking off
Border size
Character size
Complete fill in
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC74795 | On-Screen Display Controller LSI(用于屏幕顯示控制器規(guī)模集成電路（LSI）) |
| LC74798 | On-Screen Display Controller IC(屏幕顯示控制器芯片) |
| LC74799 | On-Screen Display Controller IC(屏幕顯示控制器芯片) |
| LC7480 | Video A/D Converter with 3-Input Multiplexer |
| LC7480M | Video A/D Converter with 3-Input Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74794M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74795 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74795M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| LC74798 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
| LC74798M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller IC |
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