subscribe newsletter
Back
Products
Power Management
Imaging Solutions
Motor Controllers and Drivers
Microcontrollers (MCUs)
Amplifiers
Interfaces
Back
Applications
Automotive
Consumer Electronics
Enterprise Systems
Industrial
Power Supplies
Back
Supports
Support Tools
Technical Information
- Overview
- WLINK Adapter Installation Guide
- ICE/ISP Operation Guide
- Evaluation Board User Guide
- Mass Production Programmer Operation Manual
- Mass Production Tools and Supplier Information
- ULINK ICE & ISP User Guide
- Peripheral Functions & Program User Guide
- Weltrend ARM 32-bit MCU Evaluation Boards List
Software Download
Reference Designs
Back
News & Events
News & Events
Back
ESG
Sustainable Development Policy and Implementation
Related Topics
Back
Investors
Financials
Corporate Governance
Shareholder Services
Contacts
Back
Careers
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
- Analog input ports
Applications