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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)： | 12/15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.
~
COMMAND6 (Synchronization signal detection setup command)
First byte
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
0
Second byte identification bit
6
—
0
5
HLFINT
0
Normal mode
1
Half internal synchronization mode
4
BCL
0
Background color present
1
No background color (only the background level is set)
Only valid with internal synchronization.
3
CB
0
Outputs a color burst signal.
Only valid when BCL is high.
1
Stops color burst signal output.
0
2
PH2
1
0
1
PH1
1
0
0
PH0
1
No. 4990-12/15
LC74783, 74783M
Phase 2
Phase 1
Phase 0
Background color (phase)
NTSC
π
/2
*
In phase
*
3
π
/2
*
π
*
3
π
/4
π
/4
7
π
/4
5
π
/4
PAL
±
π
/2
In phase
π
/2
±
π
±3
π
/4
±
π
/4
π
/4
π
/4
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
–
–
–
Register content
DA0 to DA7
Register name
State
Function
Note
7
—
1
6
—
1
Command 6 identification code
Synchronization signal control settings
5
—
1
4
—
0
3
MOD1
0
Sync separator circuit signal
Switches the SEP
OUT
(pin 19) output
1
High level output during internal synchronization
0
Pin 5: Blank signal
Pin 8: Character signal
2
MOD0
Switches the BLANK (pin 5) and CHARA
(pin 8) outputs
1
Pin 5: Composite synchronization signal
Pin 8: External synchronization signal discrimination output signal
1
DISLIN
0
12 lines
Switches the number of display lines.
1
10 lines
0
MUT
0
Normal output
Switches CV
OUT
1
CV
IN
is cut and CV
OUT
is fixed at the pedestal level.
Sample background color phase
diagram for PAL mode color burst
*
: When 2fsc NTSC is used
相關PDF資料 |
PDF描述 |
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| 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）) |
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| 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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