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參數(shù)資料
| 型號(hào)： | LC74731 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | On-Screen Display Controller |
| 中文描述： | 屏幕顯示控制器 |
| 文件頁數(shù)： | 21/38頁 |
| 文件大?。?/td> | 157K |
| 代理商： | LC74731 |
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No. 6526-21/38
LC74731W,74732W
COMMAND51 (Sync signal detection 2 setup command)
First byte
DA0 to 7
Register
Content
Notes
State
Function
7
—
1
Command 5 identification code
6
—
1
Display control settings
5
—
0
4
—
1
3
—
0
Extended command 1 identification code
2
—
1
1
MUT1
0
MUT1
MUT0
Output
Video signal output muting function selection
1
0
0
CSYNC
Valid when the MUTE pin is low.
0
MUT0
0
0
1
PE
1
1
0
A0-17 “Z”
Second byte
Note that all registers are set to 0 when these ICs are reset by the RST pin.
DA0 to 7
Register
Content
Notes
State
Function
7
—
0
Second byte identification bit
6
—
0
0
Sync signal no signal to signal present discrimination - Normal
values
5
RNE0
1
Sync signal no signal to signal present discrimination - Values
shown in parentheses
4
SJNS3
0
SJNS3
SJNS2
SJNS1
Times
1
0
0
0
None
3
SJNS2
0
0
0
1
4
1
0
1
0
8
0
0
1
1
16
1
0
0
32
2
SJNS1
1
1
0
1
64
1
1
0
128
1
1
1
256
1
SJCS1
0
SJCS1
SJCS0
PAL
NTSC
1
0
0
677 ns (1/3)
558 ns (1/2)
0
SJCS0
0
0
1
903 ns (1/4)
838 ns (1/3)
1
1
0
450 ns (1/2)
1117 ns (1/4)
Noise ignoring circuit setting for sync signal
recognition for the no signal to signal present
transition
If more than the number of horizontal signals
shown at the left are input during a 1H period, the
circuit recognizes a no signal state.
Synchronization discrimination
Selects the clock used to delimit the HSYNI signal.
Changes the judgment criterion values for sync
signal recognition for the no signal to signal
present transition. (COM50)
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| LC74731W | On-Screen Display Controller |
| LC74735NW | On-Screen Display Controller |
| LC74736PT | CMOS IC On-Screen Display Controller |
| LC74751 | On-Screen Display LSI |
| LC7475 | On-screen Display Controller for PAL-format Video |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74731W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74731W_11 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
| LC74731W-9818-E | 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74731WS-9818-E | 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| LC74732W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-Screen Display Controller |
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