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參數(shù)資料
| 型號： | 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)： | 35/57頁 |
| 文件大小： | 1621K |
| 代理商： | LM1253AN |
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Display Page RAM
(Continued)
TABLE 9. Example 1 I
2
C Transmission
Command
Sent
(hex)
Description
RAM Address
of the Character
or Command
I
2
C start condition (See the Micro-Controller Interface Section)
Chip address (See the Micro-Controller Interface Section)
Address LSB
Address MSB
Use Attribute table 00 for the following characters
Skip 0 lines
Character “A”
Character “B”
Character “C”
Row end
Skip 0 lines
Character “D”
Character “E”
Character “F”
Row end
Skip 0 lines
Character “G”
Character “H”
Character “I”
Window end
I
2
C stop condition (See the Micro-Controller Interface Section)
BA
00
80
00
00
02
03
04
01
00
05
06
07
01
00
08
09
0A
00
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
800A
800B
800C
800D
800E
EXAMPLE
#
2:
A 3X3 character matrix of characters on a black background is to be displayed on the screen, using 2-color character codes.
2 skipped lines are required below the first line of characters, 3 skipped lines are required below the second line of characters,
and 4 skipped lines are required below the third line of characters. The first line of characters will use color attribute 0, the second
line will use color attribute 1, the third line will use color attribute 0 for the first character, color attribute 1 for the second character,
and color attribute 2 for the third character. This is shown in Figure 42
L
www.national.com
35
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