|
Details, datasheet, quote on part number:VCT3831A/B
| |
| Part: | VCT3831A/B |
| Category: | Multimedia => Video => Processors |
| Description: | Video/controller/teletext ic Family<<<>>>the VCT 38xxA/B is an ic Family of High-quality Singlechip<<<>>>tv Processors. Modular Design And a Submicron<<<>>>technology Allow The Economic Integration of Features<<<>>>in All Classes of TV Sets. The VCT 38xxA/B Family Is<<<>>>based on Functional Blocks Contained And Approved In<<<>>>existing Products Like VDP 3120B, Tpu 3050S, And<<<>>>ccz 3005K. |
| Company: | Micronas |
| Datasheet: | Download VCT3831A/B datasheet File size : 2489 kB |
| Request For quote: | Find where to buy VCT3831A/B
|
| |
Datasheet text preview:
PRELIMINARY DATA SHEET
MICRONAS
VCT 38xxA/B Video/Controller/Teletext IC Family
Edition Jan. 8, 2002 6251-518-1PD
MICRONAS
VCT 38xxA/B
Contents Page Section Title
PRELIMINARY DATA SHEET
7
8
8 8 8 8 8 8
1.
1.1.
1.1.1. 1.1.2. 1.1.3. 1.1.4. 1.1.5. 1.1.6.
Introduction
Features
Video Features Microcontroller Features OSD Features Teletext Features Audio Features General Features
9 10
1.2. 1.3.
Chip Architecture System Application
11
11 11
11 11 11 11 12 12
2.
2.1. 2.2.
2.2.1. 2.2.2. 2.2.3. 2.2.4. 2.2.5. 2.2.6.
Video Processing
Introduction Video Front-end
Input Selector Clamping Automatic Gain Control Analog-to-Digital Converters Digitally Controlled Clock Oscillator Analog Video Output
12 13
13 14 14 14 14 15 15 16 16
2.3. 2.4.
2.4.1. 2.4.2. 2.4.3. 2.4.4. 2.4.5. 2.4.6. 2.4.7. 2.4.8. 2.4.9.
Adaptive Comb Filter Color Decoder
IF-Compensation Demodulator Chrominance Filter Burst Detection / Saturation Control Color Killer Operation Automatic Standard Recognition PAL Compensation/1-H Comb Filter Luminance Notch Filter Skew Filtering
16 17 17 17 18
18 18 19 20 20 20 20 21 21 21 21 22 22 22
2.5. 2.6. 2.7. 2.8. 2.9.
2.9.1. 2.9.2. 2.9.3. 2.9.4. 2.9.5. 2.9.6. 2.9.7. 2.9.8. 2.9.9. 2.9.10. 2.9.11. 2.9.12. 2.9.13. 2.9.14.
Horizontal Scaler Black-line Detector Test Pattern Generator Video Sync Processing Display Processing
Luma Contrast Adjustment Black-Level Expander Dynamic Peaking Digital Brightness Adjustment Soft Limiter Chroma Interpolation Chroma Transient Improvement Inverse Matrix RGB Processing OSD Color Look-up Table Picture Frame Generator Priority Decoder Scan Velocity Modulation Display Phase Shifter
24
24 25 26 26 26
2.10.
2.10.1. 2.10.2. 2.10.3. 2.10.4. 2.10.5.
Video Back-end
CRT Measurement and Control SCART Output Signal Average Beam Current Limiter Analog RGB Insertion Fast-Blank Monitor
2
Micronas
PRELIMINARY DATA SHEET
VCT 38xxA/B
Contents, continued Page
28
28 28 28 29 29 30
Section
2.11.
2.11.1. 2.11.2. 2.11.3. 2.11.4. 2.11.5. 2.11.6.
Title
Synchronization and Deflection
Deflection Processing Angle and Bow Correction Horizontal Phase Adjustment Vertical and East/West Deflection EHT Compensation Protection Circuitry
30 30 31
31 44 46
2.12. 2.13. 2.14.
2.14.1. 2.14.1.1. 2.14.1.2.
Reset Function Standby and Power-On I2C Bus Slave Interface
Control and Status Registers Scaler Adjustment Calculation of Vertical and East-West Deflection Coefficients
48
48 48 48 50 50
50 51 51 53 54
3.
3.1. 3.2. 3.3. 3.4. 3.5.
3.5.1. 3.5.2. 3.5.3. 3.5.4. 3.5.5.
Text and OSD Processing
Introduction SRAM Interface Text Controller Teletext Acquisition Teletext Page Management
Memory Manager Memory Organization Page Table Ghost Row Organization Subpage Manager
55 56 58
59 60 61 62 63 64 65
3.6. 3.7. 3.8.
3.8.1. 3.8.2. 3.8.3. 3.8.4. 3.8.5. 3.8.6. 3.8.7.
WST Display Controller Display Memory Character Generator
Character Code Mapping Character Font ROM Latin Font Mapping Cyrillic Font Mapping Arabic Font Mapping Closed Caption Font (on VCT 38xxB only!) Character Font Structure
66 68 69 70 78 85
85 86 86 86 87 87
3.9. 3.10. 3.11. 3.12. 3.13. 3.14.
3.14.1. 3.14.1.1. 3.14.1.2. 3.14.1.3. 3.14.1.4. 3.14.1.5.
National Character Mapping Four-Color Mode OSD Layer Command Language I/O Register I2C-Bus Slave Interface
Subaddressing CPU Subaddressing DRAM Subaddressing Command Subaddressing Data Subaddressing Hardware Identification
Micronas
3
|
|
