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參數(shù)資料
| 型號(hào)： | LM1253AN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 畫面疊加 |
| 英文描述： | Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator |
| 中文描述： | ON-SCREEN DISPLAY IC, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 50/57頁 |
| 文件大?。?/td> | 1621K |
| 代理商： | LM1253AN |
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Control Register Definitions
(Continued)
In the LM1253A, an approximation method is used to determine which lines are repeated, and how many times each line is re-
peated.
The constant character height mechanism will not decrease the OSD character matrix to less than 18 lines. Each character will
be at least 18 lines high.
Display Window 1 To Display Window 2 Spacing
There is no required vertical spacing between Display Window 1 and Display Window 2, but they should not overlap.
There must be a two character horizontal space between Display Window 1 and Display Window 2 for proper operation of both
windows or undefined results may occur.
Evaluation Character Fonts
The character font of the LM1253A is shown in Figures 45, 46, 47, 48, 49, 50
Note that the first two character codes of the two color font (00h and 01h) are reserved for the Window End (WE) and Row End
(RE) codes respectively.
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www.national.com
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| LM1253A | Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator |
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| LM-1256 | 制造商:ROHM 制造商全稱:Rohm 功能描述:16 x 16 matrix displays |
| LM-1256_1 | 制造商:ROHM 制造商全稱:Rohm 功能描述:16】16 matrix displays |
| LM-1256LB1 | 制造商:ROHM 制造商全稱:Rohm 功能描述:16】16 matrix displays |
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