TW8823C INTERSIL | Alldatasheet

Document overview

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Technical content

Features

 NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60), SECAM with automatic format detection  Two 10-bit ADCs 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  Software selectable analog inputs allows either composite or S-video input  High quality motion adaptive 3D comb filter for both NTSC and PAL with concurrent 3D noise reduction  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, sharpness  High quality horizontal and vertical filtered down scaling with arbitrary scale down ratio ANALOG RGB INPUTS  Triple high speed 10-bit ADCs with clamping and programmable gain amplifier.  SOG and H/V sync support for YPbPr or RGB input  Built-in line locked PLL with sync separator  Supports analog input resolution up to 1080i or WXGA DUAL DIGITAL INPUTS SUPPORT  Dual channel digital inputs support with following combination:  1 channel 18/16-bit inputs and 1 channel 8-bit inputs  1 channel 24-bit digital RGB/YCbCr inputs  Supports both 656 and 601 video formats  Allows connection to external HDMI receiver BUILT-IN MICROCONTROLLER  Built-in 8052 MCU up to 72MHz clock  Built-in code cache memory to enhance CPU performance.  Supports Single/Dual/Quad IO SPI Flash with 24-bit/32-bit addressing  System programming through UART  Supports SPI DMA Read/Write to OSD memory  Supports I2C Master interface with GPIO  Supports two UART interface up to 115200bps and 8 bytes RX FIFO  Supports IR receiver and interrupt output  Supports 24-bit contiguous addressing mode

 Built-in both analog and digital timing controller with programmability  Supports optional single channel LVDS panel with resolution up to WXGA, 80MHz  Supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with built-in dithering engine  Supports analog panel with resolution up to WQVGA 20MHz ON SCREEN DISPLAY  Supports three window bitmapped OSD, one 16 bits and two 8 bits bitmap OSD  Built-in OSD controller with Bit-Blit Engine  Supports a variety of functions including blinking, transparency and blending.  Supports External OSD with external alpha blending  Supports OSD compression  Supports window width up to 1366 IMAGE PROCESSING  High quality scaler with both up/down and nonlinear scaling support  Built-in 2D de-interlacing function  Programmable hue, brightness, saturation, contrast  Sharpness control with vertical peaking up to +12db  Programmable color transient improvement control  Programmable cropping of input video and graphics  Independent RGB gain and offset controls  Panorama/Water-glass scaling  DTV hue adjustment  Programmable 10-bit Gamma correction for each color  Operated in Frame Sync mode only  Black/White Stretch  Programmable favorite color enhancement PIP FUNCTION  Two independent PIPs  Variable sub window size  POP with alpha blending  Supports both 16-bit YPbPr and RGB data format  High quality up and down scaling engine for PIP DDR-SDRAM  Supports 16 bits 155MHz DDR-SDRAM up to 256Mb HOST INTERFACE  Supports 2-wire serial bus interface  Supports 8-bits Parallel Host Interface CLOCK GENERATION  Frequency synthesizer with spread spectrum generate DDR memory and display clocks  Spread spectrum profile based on triangular modulation with center spread  Modulation frequency and spread width can be selectable POWER MANAGEMENT  Supports Panel power sequencing  Supports DPMS for monitor power management  1.8/2.5V/3.3 V operation MISCELLANEOUS  Built-in single CCFL back light controller  Built-in single LED back light controller  Built-in Touch screen controller with 12-bit ADC  Power-down mode  Single 27MHz crystal  216-pin LQFP package

Applications

 In-car display controller  Portable DVD and DVRs players  Portable media player

FIGURE 1. TW8823C FLAT PANEL TV/MONITOR CONTROLLER FUNCTIONAL BLOCK DIAGRAM