WT8876S

The WT8876S is a highly integrated video display controller for medium and small size LCD display applications, such as car TV (connect to Car PC), and other applications with R/G/B input. It has built-in 3-channel video ADC, video decoder, scaler, de-interlacer, TCON, 8-bit MCU, OSD, PWM, and DC-to-DC converter functions. WT8876S has 18-bit and 24-bit digital RGB output interface and LVDS output for digital LCD panel application.

Features

    • Analog input ports

      - 6 analog inputs

      - Support CVBS, S-Video, and YPbPr input

      - Video input resolution in 480i/p, 576i/p, 720p and 1080i

      - Support PC RGB input

      - RGB input resolution in 640x480, 800x600, 1024x768, 1280x800 and 1280x1024@60Hz

      - Support RGB CSYNC, SOG, Hsync and Vsync

      - Auto white balance, auto-gain/auto-phase adjustment

      - 3-channel low-power 10-bit ADCs integration for YPbPr and RGB support up to 108Mhz

    • Digital input ports

      - 8-bit 4:2:2 ITU-BT.656 or BT.601 interface

      - 16-bit 4:2:2 ITU-BT.656 or BT.601 interface

      - 16-bit RGB-565 interface

    • LCD panel interfaces

      - Support 18-bit and 24-bit digital panel, Serial RGB panel

      - Support single 8-bit LVDS panel output up to 1366x768

      - Support resolution: 640x480, 800x480, 800x600, 1024x768 and 1366x768 (digital/LVDS output)

      - Programmable timing controller for different type of panels

      - Programmable gamma table for panel compensation

    • 2D video decoder

      - 10-bit ADC

      - Supports CVBS, S-video and RGB input

      - Decodes NTSC (M, Japan, 4.43), PAL (B, G, D, H, I, Nc), and SECAM

      - Multi-standard adaptive 2D comb filter

      - Safe Hsync, Vsync and field signal outputs when VCR trick mode

      - Auto detection and decodes Macrovision copy protection

      - Chroma Transient Improvement (CTI)

      - Luma Transient Improvement (LTI), edge/sharpness improvement

      - Luma Coring noise reduction

    • Display format conversion

      - Programmable horizontal and vertical zoom ratio

      - Support no-linear scaling for 4:3 to 16:9

      - Convert interlaced input to progressive

    • Luminance and chrominance adjustments

      - Contrast adjustment with black/white level stretch

      - Brightness adjustment

      - Sharpness adjustment

      - Hue adjustment

      - Saturation adjustment

      - Flesh tone adjustment

    • OSD

      - Character based OSD

      - Font size: 16x18 dots

      - Font ROM: 512 single color fonts

      - Display RAM: 1024 x 24 bits (display up to 1024 characters)

      - User-font RAM: 4096 x 16 bits (up to 226 single color fonts)

      - Support 3-bit multi-color font

      - Border effect of character

      - Two display windows

      - Programmable background window

      - Support alpha blending

      - Support blinking effect

      - Support fade in/out effect

    • MCU

      - Built-in turbo 8051 MCU

      - Data memory: 256 + 768 bytes RAM

      - Support external program memory with serial flash memory via 4-wire interface

      - Support external MCU mode

    • 10-bit ADC for keypad scanning
    • Multiple communication interfaces

      - Two slave mode I2C interfaces, up to 400 kHz

      - Interface for ISP, ICE and other I2C master

      - Support dual standard UART, one of the UART can be defined for ISP/ICE channel

      - Support Infra-Red remote control

    • Four PWM outputs including one low frequency PWM
    • Charge pump circuits for VGH and VGL
    • DC-DC converter supports LED backlight with brightness control
    • General purpose I/Os
    • Spread spectrum PLL for panel clock
    • Built-in self test pattern generator
    • 24MHz crystal oscillator and support clock output for external MCU
    • Support multiple saving modes

     - Standby mode: all circuits can be powered down except MCU

     - Off mode: all circuits power down, MCU is waked up by interrupt

    • Operating temperature range: -40℃ to +85℃
    • Package type:

      - 128-pin LQFP, 14mm(L) x 14mm(W) x 1.4mm(H)

      - Green package available


应用领域

TOP