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參數資料
| 型號： | LC74784M |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁數： | 6/17頁 |
| 文件大小： | 187K |
| 代理商： | LC74784M |
Second byte
Note: The register states are all set to zero when the LC74784/M is reset with the RST pin.
Display Screen Structure
The display consists of 24 characters
× 12 rows.
The maximum number of displayed character is 288.
The maximum number of characters is reduced to less than 288 when the character size is enlarged.
Display memory addresses are specified as row (0 to 11 decimal) and column (0 to 23 decimal) addresses.
Display Screen Structure (display memory addresses)
No. 4991-14/15
LC74784, 74784M
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
CINSEL
0
Blank (the OR of the character and the border) signal area
1
Video signal display area
Switches the CV
CR on signal
0
CVCR: Off
CVCR on/off setting
5
CINCTL
1
CVCR: On
0
V falling edge detection
Switches V acquisition polarity when
4
VNPSEL
internal V separation is used in external
1
V rising edge detection
mode.
3
VSPSEL
0
VSEP: about 8.9 s (for NTSC)
Switches the internal V separation time.
1
VSEP: about 17.8 s (for NTSC)
2
MSKERS
0
Mask valid
HSYNC and VSYNC mask release
1
Mask invalid
1
MSKSEL
0
3H (for NTSC)
Switches the VSYNC mask.
1
20H (for NTSC)
0
EGL
0
Border level 0 only (VBK0)
Switches the border level
1
Border level has two stages (VBK0, VBK1)
(Only valid for BLK0 = 0 and BLK1 = 1)
相關PDF資料 |
PDF描述 |
|---|---|
| LC74784 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74785 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74785M | ON-SCREEN DISPLAY IC, PDSO24 |
| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
| LC74786 | ON-SCREEN DISPLAY IC, PDIP24 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LC74785 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
| 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 |
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