- 您現在的位置：買賣IC網 > PDF目錄30734 > LC74794 ON-SCREEN DISPLAY IC, PDIP30 PDF資料下載
參數資料
| 型號： | LC74794 |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP30 |
| 封裝： | SDIP-30 |
| 文件頁數： | 4/30頁 |
| 文件大小： | 320K |
| 代理商： | LC74794 |
第1頁第2頁第3頁當前第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁
No. 5557-12/30
LC74794, 74794M
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 LC74794/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
1RV
0
Reverse video off
1
Reverse video 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
01
BLK1
0
Blanking off
Character size
1
Border size
Complete fill in
相關PDF資料 |
PDF描述 |
|---|---|
| LC74795M | ON-SCREEN DISPLAY IC, PDSO30 |
| LC74795 | ON-SCREEN DISPLAY IC, PDIP30 |
| LC74799 | ON-SCREEN DISPLAY IC, PDIP30 |
| LC74799M | ON-SCREEN DISPLAY IC, PDSO30 |
| LC749402BG | COLOR SIGNAL CONVERTER, PBGA96 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
發布緊急采購，3分鐘左右您將得到回復。