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参数资料
| 型号： | LM1253AAE/NA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 画面叠加 |
| 英文描述： | ON-SCREEN DISPLAY IC, PDIP28 |
| 封装： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件页数： | 32/61页 |
| 文件大小： | 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
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PDF描述 |
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| 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM1253AN | 制造商:NSC 制造商全称: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 制造商全称:Rohm 功能描述:16 x 16 matrix displays |
| LM-1256_1 | 制造商:ROHM 制造商全称:Rohm 功能描述:16】16 matrix displays |
| LM-1256LB1 | 制造商:ROHM 制造商全称:Rohm 功能描述:16】16 matrix displays |
| LM125AN | 制造商:NSC 制造商全称:National Semiconductor 功能描述:VOLTAGE REGULATORS |
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