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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)： | 43/61頁 |
| 文件大?。?/td> | 1671K |
| 代理商： | LM1253AAE/NA |
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Control Register Definitions (Continued)
Bits 21–18
Description
1010b
Depressed Box.
1011b
Blinking and Depressed Box.
1100b
Heavy Raised Box.
1101b
Blinking and Heavy Raised Box.
1110b
Heavy Depressed Box.
1111b
Blinking and Heavy Depressed Box.
Bits 40–32:
Color 3. These nine bits indicate the value of the color to be displayed as Color 3. This is displayed when the
corresponding pixel data bit is 10b.
Bits 49–41:
Color 4. These nine bits indicate the value of the color to be displayed as Color 4. This is displayed when the
corresponding pixel data bit is 11b.
Bits 63–50:
RESERVED.
ATTRIBUTE TABLES TO I
2C ADDRESS
TABLE 13. Attribute Tables To I
2C Address
Two-Color
Attribute Table
Four-Color
Attribute Table
Attribute Value
I
2C Address
I
2C Address
0000b
8440h–8443h
8500h–8507h
0001b
8444h–8447h
8508h–850Fh
0010b
8448h–844Bh
8510h–8517h
0011b
844Ch–844Fh
8518h–851Fh
0100b
8450h–8453h
8520h–8527h
0101b
8454h–8457h
8528h–852Fh
0110b
8458h–845Bh
8530h–8537h
0111b
845Ch–845Fh
8538h–853Fh
1000b
8460h–8463h
8540h–8547h
1001b
8464h–8467h
8548h–854Fh
1010b
8468h–846Bh
8550h–8557h
1011b
846Ch–846Fh
8558h–855Fh
1100b
8470h–8473h
8560h–8567h
1101b
8474h–8477h
8568h–856Fh
1110b
8478h–847Bh
8570h–8577h
1111b
847Ch–847Fh
8578h–857Fh
Button Box Formation
The value of the most significant Enhanced Feature Bit (EFB3) determines when to draw the left, right, bottom and top sides of
a Box. EFB1 denotes whether a box is raised or depressed, and EFB2 denotes whether the box is normal or ‘heavy’. For normal
boxes, the lowlight color is determined by the color code stored in the register EF2. For the heavy box feature, the lowlight is
determined by color code stored in register EF3.
Boxes are created by a ‘pixel override’ system that overwrites character cell pixel information with either the highlight color (EF1)
or low light shadow (EF2 or EF3) of the box. Only the top pixel line of the character and the right edge of the character can be
overwritten by the pixel override system.
To form a complete box, the left hand edge of a box is created by overwriting the pixels in the right most column of the preceding
character to the one being enclosed by the box.
The bottom edge of a box is created by either
1. overwriting the pixels in the top line of the character below the character being enclosed by the box.
Or:
LM1253A
www.national.com
48
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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