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| 型號： | LC7441NE |
| 元件分類： | 畫面疊加 |
| 英文描述： | PICTURE-IN-PICTURE IC, PQFP64 |
| 封裝： | QIP-64 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 410K |
| 代理商： | LC7441NE |
LC7441N, 7441NE
No.3941–11/20
On-chip D/A Converter
The normal D/A converter clock frequencies and the
clock frequencies when the RAR(Revise Aspect Ratio)
Table 1. D/A converter clock frequency
Table 2. Changing clock frequency with RAR
register is HIGH are shown in tables 1 and 2, respec-
tively.
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Note
× = don’t care
CLAMPDA is HIGH during main-screen horizontal sync
pulses, as shown in the following figure.
The D/A converter data when the sub-screen is not
displayed are shown, msb first, in the following table.
Note that when TV/VCR is HIGH, the Y signal is output
as –Y, and when LOW, as Y.
Dual-function Inputs
Input logic levels select sub-screen display parameters
when SER/PIN is LOW, and serial data and input logic
levels, when SER/PIN is HIGH, as shown in the follow-
ing table.
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