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參數(shù)資料
| 型號： | LC74401E |
| 元件分類： | 畫面疊加 |
| 英文描述： | PICTURE-IN-PICTURE IC, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數(shù)： | 17/19頁 |
| 文件大小： | 352K |
| 代理商： | LC74401E |
Sub-screen Size
The vertical and horizontal directions are controlled independently.
1. Vertical size
1/3 to (3) scan lines are compressed to a single scan line
1/4 to (4) scan lines are compressed to a single scan line
2. Horizontal size
1/3 to A/D clock: D/A clock = 1:3
1/6 to A/D clock: D/A clock = 1:6
The data required for 1/6 reduction is one half that for 1/3 reduction.
Aspect correction function
The horizontal direction size is adjusted by changing the VCO oscillator frequency (system clock).
This can be adjusted from –30% to +30%.
However, care is required when using this function. See the Application Manual for details.
2E mode
If 2E mode is used when 1/3 size is selected, the horizontal direction is expanded by a factor of two.
This is normally used only for special functions such as split mode.
Number of Sub-screens
Between one and eight sub-screens can be specified (when 1 Mb of VRAM is used).
Split mode
Refer to the Application Manual for details on using these modes.
No. 4872-7/19
LC74401E, 74402, 74402E
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC74402 | PICTURE-IN-PICTURE IC, PDIP64 |
| LC74402E | PICTURE-IN-PICTURE IC, PQFP64 |
| LC7440 | PICTURE-IN-PICTURE IC, PDIP64 |
| LC74411NE | PICTURE-IN-PICTURE IC, PQFP64 |
| LC74411N | PICTURE-IN-PICTURE IC, PDIP64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC74402 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controllers |
| LC74402E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controllers |
| LC74403E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| LC7441 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Picture-in-picture Controller for TVs and VCRs |
| LC74411 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PIP Controller |
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