LM1253AN National Semiconductor, LM1253AN Datasheet - Page 35
LM1253AN
Manufacturer Part Number
LM1253AN
Description
Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator
Manufacturer
National Semiconductor
Datasheet
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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 .
Command
(hex)
Sent
BA
0A
00
80
00
00
02
03
04
01
00
05
06
07
01
00
08
09
00
I
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
2
C start condition (See the Micro-Controller Interface Section)
C stop condition (See the Micro-Controller Interface Section)
(Continued)
TABLE 9. Example 1 I
Description
35
2
C Transmission
of the Character
RAM Address
or Command
800A
800B
800C
800D
800E
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
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