LM1253A National Semiconductor, LM1253A Datasheet - Page 2

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

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Table of Contents
Block and Connection Diagrams
Absolute Maximum Ratings
Operating Ratings
Electrical Characteristics
Test Circuit
Test Settings
Pin Descriptions
Input/Output Schematics
National VideoPlex Video System
ESD and Arc-Over Protection
Pre-Amp Functional Description
Horizontal Phase Locked Loop
Fault Operation
Power Save Mode
Schematics
PCB Layout
OSD Generator Operation
Micro-Controller Interface
LM1253A Address Map
Pre-Amp Interface Registers
Two-Color Attribute Table
Four-Color Attribute Table
Display Page RAM
Controller Register Definitions
Character Font
13
15
16
17
19
19
19
20
22
23
27
29
30
31
31
32
40
51
3
5
5
5
7
8
8
2
List of Tables
Table 1 Control Test Settings
Table 2 Registers Controlling the Output
Table 3 Character ROM Address Map
Table 4 Display Page RAM Address Map
Table 5 OSD Interface Registers
Table 6 Pre-Amp Interface Registers
Table 7 Two-Color Attribute Registers
Table 8 Four-Color Attribute Registers
Table 9 Example 1 I
Table 10 Example 2 I
Table 11 Example 3 I
Table 12 PLL Setting (Register 843Eh)
Table 13 Attribute Tables to I
Video and Clamp Signal
2
C Transmission
2
2
C Transmissions
C Transmissions
2
C Address
18
29
29
30
31
31
31
35
36
39
46
48
7