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參數(shù)資料
| 型號(hào)： | LC7442E |
| 元件分類： | 畫面疊加 |
| 英文描述： | PICTURE-IN-PICTURE IC, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁(yè)數(shù)： | 11/23頁(yè) |
| 文件大?。?/td> | 317K |
| 代理商： | LC7442E |
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Even/Odd Field Determination Circuit
Since this determination is based on the phase difference between the falling edges of OV and OH, these must
be input with the following timing.
Note: KV and KH are similar to the above.
a = 0.02 to 0.40 H
b = 0.60 to 0.98 H
However, if the PLL aspect correction function is used, these values will differ.
See the separate “APPLICATION NOTE” document for details.
The horizontal synchronization signal equalizing pulse must be removed.
Synchronization Signals
The LC7442 OH and KH pin inputs are set assuming that OH (and KH) are delayed 1 s from the video signal
horizontal synchronization signal.
Since noise on the synchronization signal input pins (KV, KH, OV and OH) results in image distortion, care must be
used in wiring these signals.
Since the sub-screen will be distorted if the synchronization signals are unstable, we recommend turning off display in
such cases.
Sub-Screen Output Timing
Notes: a: The frame data position shown here is for the timing when registers WKAJ0 and 1 are 00.
b: Whether frame data is present or not is switched by the size of the KOUT pulse.
LC7442, 7442E
No. 4412-19/22
Video signal
OH or KH
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相關(guān)代理商/技術(shù)參數(shù) |
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| LC7444 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Dual VCO |
| LC744E | 制造商:Brady Corporation 功能描述:PRINZING SMALL YELLOW LOCKOUT BOARD |
| LC7450 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LC7450H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LC7450M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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