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參數資料
| 型號： | LC74788 |
| 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： | 8/23頁 |
| 文件大小： | 210K |
| 代理商： | LC74788 |
No. 5731-16/23
LC74788, 74788M, 74788JM
COMMAND7 (Display control setup command)
First byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
—
1
6
—
0
Command 7 identification code.
5
—
0
Display control setup.
4
—
1
3
—
0
Extended command 0 identification code
2
—
0
1
SEL1
0
Vertical synchronizing signal (external V separation) input
Switches the SEPIN (pin 20) input.
1
Frame signal input
Only valid when CTL3 is high.
0
CTL3
0
Use internal V separation
Switches V separation.
1
Do not use internal V separation
Second byte
DA
Register
Contents
Notes
0 to 7
State
Function
7
—
0
Second byte identification bit
6
CINSEL
0
Blanking area (The logical OR of the character and frame signals)
CVCR on signal switching
1
Video signal display area
5
CINCTL
0
CVCR: off
CVCR on/off setting
1
CVCR: on
4
VNPSEL
0
V falling edge detection
Switches the V acquisition polarity in external mode
1
V rising edge detection
when internal V separation is used.
3
VSPSEL
0
VSEP: about 8.9 s (for NTSC)
Switches the internal V separation period.
1
VSEP: about 17.8 s (for NTSC)
2
MSKERS
0
Mask valid
Clears the HSYNC and VSYNC masks.
1
Mask invalid
1
MSKSEL
0
3H (for NTSC)
Switches the VSYNC mask.
1
20H (for NTSC)
0
EGL
0
Frame level 0 only (VBK0)
Switches the frame level.
Note: All registers are set to 0 when the LC74786/M/JM is reset by the RST pin.
相關PDF資料 |
PDF描述 |
|---|---|
| LC74788M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74788M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74788JM | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74788JM | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74789JM | ON-SCREEN DISPLAY IC, PDSO24 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LC74788JM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74788M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74788N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC74789 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74789-9810-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack 制造商:ON Semiconductor 功能描述:FNFLD / ON-SCREEN DISPLAY CONTROL |
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