VCT3834A

MICRONAS PRELIMINARY DATA SHEET VCT 38xxA/B Video/Controller/Teletext IC Family Edition Jan. 8, 2002 6251-518-1PD MICRONAS VCT 38xxA/B Contents Page Section 7 1. 8 1.1. 8 1.1.1. 8 1.1.2. 8 1.1.3. 8 1.1.4. 8 1.1.5. 8 1.1.6. 9 1.2. 10 1.3. Title Introduction Features Video Features Microcontroller Features OSD Features Teletext Features Audio Features General Features Chip Architecture System Application 11 2. Video Processing 11 2.1. Introduction 11 2.2. Video Front-end 11 2.2.1. Input Selector 11 2.2.2. Clamping 11 2.2.3. Automatic Gain Control 11 2.2.4. Analog-to-Digital Converters 12 2.2.5. Digitally Controlled Clock Oscillator 12 2.2.6. Analog Video Output 12 2.3. Adaptive Comb Filter 13 2.4. Color Decoder 13 2.4.1. IF-Compensation 14 2.4.2. Demodulator 14 2.4.3. Chrominance Filter 14 2.4.4. Burst Detection / Saturation Control 14 2.4.5. Color Killer Operation 15 2.4.6. Automatic Standard Recognition 15 2.4.7. PAL Compensation/1-H Comb Filter 16 2.4.8. Luminance Notch Filter 16 2.4.9. Skew Filtering 16 2.5. Horizontal Scaler 17 2.6. Black-line Detector 17 2.7. Test Pattern Generator 17 2.8. Video Sync Processing 18 2.9. Display Processing 18 2.9.1. Luma Contrast Adjustment 18 2.9.2. Black-Level Expander 19 2.9.3. Dynamic Peaking 20 2.9.4. Digital Brightness Adjustment 20 2.9.5. Soft Limiter 20 2.9.6. Chroma Interpolation 20 2.9.7. Chroma Transient Improvement 21 2.9.8. Inverse Matrix ...