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參數(shù)資料
| 型號： | LC74783 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller LSI for VCR Products(用于錄象機的屏幕顯示控制器的大規(guī)模集成電路（LSI）) |
| 中文描述： | 屏幕顯示控制器芯片的錄像機產(chǎn)品（用于錄象機的屏幕顯示控制器的大規(guī)模集成電路（LSI）的） |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 181K |
| 代理商： | LC74783 |
Second byte
Note: The register states are all set to zero when the LC74783/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. 4990-14/15
LC74783, 74783M
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
CV
CR
: Off
CV
CR
: On
CV
CR
on/off setting
5
CINCTL
1
0
V falling edge detection
Switches V acquisition polarity when
internal V separation is used in external
mode.
4
VNPSEL
1
V rising edge detection
3
VSPSEL
0
VSEP: about 8.9 μs (for NTSC)
Switches the internal V separation time.
1
VSEP: about 17.8 μs (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
(Only valid for BLK0 = 0 and BLK1 = 1)
1
Border level has two stages (VBK0, VBK1)
相關PDF資料 |
PDF描述 |
|---|---|
| LC74784 | On-Screen Display Controller LSI for VCR Products(用于錄象機的屏幕顯示控制器的大規(guī)模集成電路（LSI）) |
| LC74785 | On-Screen Display Controller LSI(屏幕顯示控制器規(guī)模集成電路（LSI）) |
| LC74786JM | On-Screen Display Controller |
| LC74786 | On-Screen Display Controller(屏幕顯示控制器) |
| LC74787JM | SMD-RES,20K,.1%, 1/10W,25PPM,.08X.05 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LC74783M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74783M-9014-E | 制造商:ON Semiconductor 功能描述:ON-SCREEN DISPLAY CONTROL - Ammo Pack |
| LC74784 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74784M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-screen Display Controller LSI for VCR Products |
| LC74785 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller LSI |
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