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參數(shù)資料
| 型號(hào)： | LC7454A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CMOS Data Slicer(CMOS 數(shù)據(jù)切波器) |
| 中文描述： | CMOS數(shù)據(jù)切片（的CMOS數(shù)據(jù)切波器） |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 696K |
| 代理商： | LC7454A |
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LC7454A/M
9/16
Slice line selection
<Input timing of slice selection data>
Slice line selection data is sent to the LC7454 in serial format . When sending the data to LC7454, the IOC terminal has to
be ‘L’ level (It will change the Data line to the input mode). The data has to be transmitted after sensing the LN26 signal.
Before sending the data, set the CE terminal to the ‘L’ level. Each bit of the data has to be changed at the falling edge of the
SCKIN and the data is captured into the LC7454 at raising edge of the SCKIN signal.
<Selection of slice line>
Maximum of 5 lines between line 10 and 25 can be selected at a time in a field. The LC7454 can slice 1x and 2x data
format signals.
Each D0 to D15 corresponds to line 10 to line 25. Set specific bit to ‘H’ to select the corresponding line.
Example: To select 15, 18, 19, 21 and 23 lines
Send D0 - D15 = [0000010011010100]
Note:
If more than 6 line are selected, data extraction will be made on the first 5 lines. The data on the 6th line and after
are not extracted.
The new data sent to the LC7454 takes effects from the next field.
C-Video
DATA
LN26
CE
IOC
SCKIN
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
L level
Line26
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PDF描述 |
|---|---|
| LC7455A | Closed Caption Signal Extraction IC(從重疊視頻信號(hào)中提取接近字符信號(hào)的芯片) |
| LC7455 | Closed Caption Signal Extraction IC |
| LC7456A | U.S. Closed Caption Signal Extraction IC |
| LC7458B-04 | Closed-Caption Decoder LSI |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC7454M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CMOS Data Slicer |
| LC7455 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7455A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7455M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Closed Caption Signal Extraction IC |
| LC7456A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:U.S. Closed Caption Signal Extraction IC |
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