Key features:
Analog video decoder
NTSC (Male, 4.43) and PAL (B, D, G, H, I, M, N, N Combination), PAL (60), SECAM automatic format detection
10-bit ADC and analog clamping circuitry
Fully programmable static gain or automatic gain control for Y or CVBS channels
White peaks are Y or CVBS channel programmable control
High quality NTSC and PAL input adaptive 2D comb filter
PAL color phase error correction delay line
2D dynamic images enhance peaks and CTI
Digital subcarrier PLL for accurate color decoding
Advanced synchronization of digital phase-locked loop levels and VCR replay and weak signal performance
Programmable hue, brightness, saturation, contrast and sharpness TFT panel support
Built-in programmable timing controller
Supports 3, 4, 6 or 8 bits of the built-in jitter engine 168,000 colors per pixel
Digital panel with supported WVGA/SVGA resolution
Supports Serial (8-bit) RGB Panel Timing Controller (TCON)
Support programmable timing control interface signals
Column (Source) Drive/Column Drive Screen Display (Gate)
6912 bytes of programmable font RAM and 256 display RAM
OSD with border/shadow for four window fonts
1/2/3/4 bit/pixel
Supports image processing with variable width (12/16) and height (2 to 32).
High-quality scaling, up/down, and non-linear scaling support
Panorama/glass water zoom
Built-in 2D deinterlacing
Programmable hue, brightness, saturation, contrast and sharpness
Programmable planting of input video and graphics
Independent RGB gain and offset control
8-bit programmable gamma correction for each color
Runs in frame sync mode
Black/white bouncy clock generation
Spread spectrum clock
Selectable modulation frequency and diffusion width microcontroller
Based on industry standard 8052
Read from external SPI flash memory code
512 bytes of XDATA for memoryPOWER management
Supports function-based independent power-off
1.8 / 3.3 V Operation Miscellaneous
Supports 2-wire serial bus interface
Built-in auxiliary ADC input
Single 27MHz crystal
64-pin LQFP package
description
The TW8820 adopts many of the features needed to create a multi-purpose video door telephone intercom LCD display in a single package system. It integrates a high-quality 2D comb NTSC/PAL/SECAM video decoder, high-quality zoom, image enhancement, which includes black and white bounce and gamma correction. It also supports panoramic zoom that converts to a widescreen display. The TW8820 supports analog composite video inputs and outputs, supports a variety of digital LCD display panels, and has built-in timing controller types. ISL9110A