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參數(shù)資料
| 型號： | LM1253AAE/NA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 畫面疊加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 32/61頁 |
| 文件大?。?/td> | 1671K |
| 代理商： | LM1253AAE/NA |
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Display Page RAM (Continued)
Notes:
In order to centralize the three characters above the five
characters on the row below, a ‘transparent’ blank char-
acter has been used as the first character on the row.
In order to create the transparent skipped lines between
the two character rows, a row of no characters has been
used, resulting in an RE, SL, RE, SL control code se-
quence.
In this example, the transparent character is defined by
the 2-color attribute table entry ATT0. Bit 4 of Frame
Control Register 1 must be set to indicate that the black
color is to be translated as transparent (see
Control
Register Definitions section). Setting the transparent bit
will make any black in ATT0–ATT7 transparent.
The top row of characters are white on black; in this
example, these are defined by the 2-color attribute table
entry ATT9.
The second row of characters are gray on black; in this
example, these are defined by the 2-color attribute table
entry ATT10.
The black background of the characters are not transpar-
ent because ATT9 and ATT10 are used.
The data shown in
Table 11 is sent to the LM1253A in
four I
2C transmissions.
DS101265-53
FIGURE 43. Example 3 OSD
LM1253A
www.national.com
38
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM1267NA/NOPB | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| LM1269NA/NOPB | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| LM1276AAA/NA | 1 CHANNEL, VIDEO PREAMPLIFIER, PDIP28 |
| LM1279AN/NOPB | 3 CHANNEL, VIDEO AMPLIFIER, PDIP20 |
| LM1279N/NOPB | 1 CHANNEL, VIDEO AMPLIFIER, PDIP20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1253AN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator |
| 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 |
| LM125AN | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:VOLTAGE REGULATORS |
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