LM1253A National Semiconductor, LM1253A Datasheet - Page 37

• Manufacturer Part Number: LM1253A
• Description: Monolithic Triple 180 MHz I2C CRT Pre-amp With Integrated Analog On Screen Display (OSD) Generator
• Manufacturer: National Semiconductor

Display Page RAM
EXAMPLE #3:
Two different length rows of characters with a black background are to be displayed on the screen, using 2-color character codes.
3 transparent skipped lines are required between the character rows. This is shown in Figure 43 .
Command
(hex)
Sent
BA
BA
BA
0A
0C
0D
0A
01
03
05
06
07
01
80
00
04
08
80
01
09
80
02
00
Use Attribute table 01 for the following characters
Skip 3 lines
Character “D”
Character “E”
Character “F”
Row end
I
I
Chip address (See the Micro-Controller Interface Section)
Address LSB
Address MSB
Use Attribute table 00 for the following characters
Skip 4 lines
Character “G”
I
I
Chip Address
Address LSB
Address MSB
Use Attribute table 01 for the following characters
Character “H”
I
I
Chip address (See the Micro-Controller Interface Section)
Address LSB
Address MSB
Use Attribute table 02 for the following characters
Character “I”
Window end
I
2
2
2
2
2
2
2
C stop condition (See the Micro-Controller Interface Section)
C start condition (See the Micro-Controller Interface Section)
C stop condition (See the Micro-Controller Interface Section)
C start condition (See the Micro-Controller Interface Section)
C stop condition (See the Micro-Controller Interface Section)
C start condition (See the Micro-Controller Interface Section)
C stop condition (See the Micro-Controller Interface Section)
(Continued)
TABLE 10. Example 2 I
Description
2
C Transmissions (Continued)
37
RAM Address of
the Character
or Command
800A
800B
800C
800D
800E
8005
8006
8007
8008
8009
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