WT8871S数据手册Weltrend中文资料规格书

描述 Description

The WT8871S-C/WT8871S-E is a highly integrated video display controller for small size LCD display application, such as portable DVD player and car TV application. It has built-in video decoder, scaler, de-interlacer, TCON, 8-bit MCU, OSD, PWM and DC-to-DC converter functions. WT8871S-C/WT8871S-E has triple DAC and VCOM output for analog LCD panel application.

特性 Features

●Video input port
 -6 analog inputs
 -Support CVBS and S-video input
 -Support RGB input for GPS module and component input
 -Digital input: 8-bit 4:2:2 ITU-BT.656 or BT.601 interface
 -Support 720x480i and 720x516i input resolution
●LCD panel interface
 -Triple 8-bit DACs output RGB signals for analog panel
 -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 non-linear scaling for 4:3 to 16:9
 -Convert interlaced input to progressive
●Luminance and chrominance adjustment
 -Contrast adjustment with black/white level stretch
 -Brightness adjustment
 -Sharpness adjustment
 -Hue adjustment
 -Saturation adjustment
●OSD
 -Character based OSD
 -Font size: 12x18 dots
 -Font ROM: 512 single color fonts
 -Display RAM : display up to 512 characters
 -User-font RAM : up to 142 single color fonts
 -Support 2-bit multi-color font
 -Shadow and border effect of character
 -Two display windows
 -Programmable background window
 -Support alpha blending
 -Support blinking effect
 -Support fade in/out effect
●Support external OSD interface
●MCU
 -Built-in 8051 CPU
 -Data memory: 512 bytes RAM
 -Support external program memory with serial flash memory via 4-wire interface
 -Internal MCU can be disable by pin mode0 and mode1
●8-bit ADC for keypad scanning and others
●Two slave mode I2C interfaces, up to 400KHz
 -Interface for ISP, ICE and other I2C master
●2 Standard UART ports support.
●Support Infra-Red remote control
●Four PWM outputs including one low frequency PWM and one 10-bit PWM
●Built-in self test pattern generator
●Two DC-DC boost circuits for VGH/VGL and LED backlight
●General purpose I/Os
●Spread spectrum PLL for panel clock, lower EMI
●Crystal oscillator
 -24MHz
●Package
 -LQFP 128
【 Application
●Portable DVD Player
●Car information, entertainment system
●Portable DTV
●Digital photo frame