ADVANCE INFORMATION
VCT 38xxA
Contents, continued
Page
Section
Title
25
25
26
27
27
27
2.11.
Video Back-end
2.11.1.
2.11.2.
2.11.3.
2.11.4.
2.11.5.
CRT Measurement and Control
SCART Output Signal
Average Beam Current Limiter
Analog RGB Insertion
Fast-Blank Monitor
29
29
29
29
30
30
31
2.12.
Synchronization and Deflection
Deflection Processing
Angle and Bow Correction
Horizontal Phase Adjustment
Vertical and East/West Deflection
EHT Compensation
2.12.1.
2.12.2.
2.12.3.
2.12.4.
2.12.5.
2.12.6.
Protection Circuitry
31
31
2.13.
2.14.
Reset Function
Standby and Power-On
32
32
44
2.15.
2.15.1.
2.15.1.1.
I2C Bus Slave Interface
Control and Status Registers
Scaler Adjustment
46
2.15.1.2.
Calculation of Vertical and East-West Deflection Coefficients
47
3.
Text and OSD Processing
47
47
47
49
3.1.
3.2.
3.3.
3.4.
Introduction
SRAM Interface
Text Controller
Teletext Acquisition
49
49
50
50
52
52
3.5.
Teletext Page Management
Memory Manager
Memory Organization
Page Table
Ghost Row Organization
Subpage Manager
3.5.1.
3.5.2.
3.5.3.
3.5.4.
3.5.5.
53
55
3.6.
3.7.
WST Display Controller
Display Memory
57
58
59
60
61
62
63
3.8.
Character Generator
Character Code Mapping
Character Font ROM
Latin Font Mapping
Cyrillic Font Mapping
Arabic Font Mapping
Character Font Structure
3.8.1.
3.8.2.
3.8.3.
3.8.4.
3.8.5.
3.8.6.
64
66
67
68
76
3.9.
National Character Mapping
Four-Color Mode
OSD Layer
3.10.
3.11.
3.12.
3.13.
Command Language
I/O Register
82
82
82
3.14.
3.14.1.
3.14.1.1.
I2C-Bus Slave Interface
Subaddressing
CPU Subaddressing
83
83
83
84
3.14.1.2.
3.14.1.3.
3.14.1.4.
3.14.1.5.
DRAM Subaddressing
Command Subaddressing
Data Subaddressing
Hardware Identification
Micronas
3