Overview
Description
The TW8819 is an ultra low cost highly integrated LCD controller. It combines a high quality 2D comb NTSC/PAL/SECAM video decoder, high quality scaler, Font based OSD engine, and image enhancement functions. It also supports panoramic scaling for conversion to wide screen display. The TW8819 supports analog composite video inputs and the output supports a wide variety of digital LCD panel types.
Features
- NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60), SECAM with automatic format detection
- 10-bit ADC and analog clamping circuit
- Fully programmable static gain or automatic gain control for the Y or CVBS channel
- Programmable white peak control for the Y or CVBS channel
- High quality adaptive 2D comb filter for both NTSC and PAL inputs
- PAL delay line for color phase error correction
- Image enhancement with 2D dynamic peaking and CTI
- Digital sub-carrier PLL for accurate color decoding
- Digital horizontal PLL and advanced synchronization processing for VCR playback and weak signal performance
- Programmable hue, brightness, saturation, contrast and sharpness
- Built-in programmable timing controller
- Supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with built-in dithering engine
- Supports digital panels up to WXGA+ (1366x768) resolution
- Supports serial (8-bit) RGB panels
- Supports programmable timing interface signals for control
- Column (source) driver/row (gate) driver
- 256 Font RAM and 512 Display RAM
- Four windows font OSD with bordering/shadowing
- See datasheet for full list of features
Comparison
Applications
Applications
- Rear camera display
- Video door phone
Documentation
= Featured Documentation
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| Type | Title | Date |
| Datasheet - Short-form | PDF 156 KB | |
| Datasheet | PDF 1.56 MB | |
| Product Change Notice | PDF 78 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
TW8819AT-NA2-GR Active Samples Available |
WFQFN | Tray | 3 | 5.099 | Get Samples, |
TW8819AT-NA2-GRT Active Samples Available |
WFQFN | Reel | 3 | Get Samples, | |
TW8819-NA2-CR Active Samples Available
Buy Now
|
QFN | Tray | 3 | 4.18 | Get Samples, |
TW8819-NA2-CRT Active Samples Available |
QFN | Reel | 3 | Get Samples, |
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