VCT3803A datasheet(3/172 Pages) MICRONAS

Part #	VCT3803A

Description	Video/Controller/Teletext IC Family

Download	172 Pages

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Manufacturer	MICRONAS [Micronas]

Direct Link	http://www.micronas.com

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3 / 172 page

Contents, continued

Page

Section

Title

ADVANCE INFORMATION

VCT 38xxA

Micronas

3

25

2.11.

Video Back-end

25

2.11.1.

CRT Measurement and Control

26

2.11.2.

SCART Output Signal

27

2.11.3.

Average Beam Current Limiter

27

2.11.4.

Analog RGB Insertion

27

2.11.5.

Fast-Blank Monitor

29

2.12.

Synchronization and Deflection

29

2.12.1.

Deflection Processing

29

2.12.2.

Angle and Bow Correction

29

2.12.3.

Horizontal Phase Adjustment

30

2.12.4.

Vertical and East/West Deflection

30

2.12.5.

EHT Compensation

31

2.12.6.

Protection Circuitry

31

2.13.

Reset Function

31

2.14.

Standby and Power-On

32

2.15.

I2C Bus Slave Interface

32

2.15.1.

Control and Status Registers

44

2.15.1.1.

Scaler Adjustment

46

2.15.1.2.

Calculation of Vertical and East-West Deflection Coefficients

47

3.

Text and OSD Processing

47

3.1.

Introduction

47

3.2.

SRAM Interface

47

3.3.

Text Controller

49

3.4.

Teletext Acquisition

49

3.5.

Teletext Page Management

49

3.5.1.

Memory Manager

50

3.5.2.

Memory Organization

50

3.5.3.

Page Table

52

3.5.4.

Ghost Row Organization

52

3.5.5.

Subpage Manager

53

3.6.

WST Display Controller

55

3.7.

Display Memory

57

3.8.

Character Generator

58

3.8.1.

Character Code Mapping

59

3.8.2.

Character Font ROM

60

3.8.3.

Latin Font Mapping

61

3.8.4.

Cyrillic Font Mapping

62

3.8.5.

Arabic Font Mapping

63

3.8.6.

Character Font Structure

64

3.9.

National Character Mapping

66

3.10.

Four-Color Mode

67

3.11.

OSD Layer

68

3.12.

Command Language

76

3.13.

I/O Register

82

3.14.

I2C-Bus Slave Interface

82

3.14.1.

Subaddressing

82

3.14.1.1.

CPU Subaddressing

83

3.14.1.2.

DRAM Subaddressing

83

3.14.1.3.

Command Subaddressing

83

3.14.1.4.

Data Subaddressing

84

3.14.1.5.

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