The TW8820 incorporates many of the features required to create a multi-purpose Video Door phone intercom LCD display system in a single package. It integrates a high quality 2D comb NTSC/PAL/SECAM video decoder, high quality scaler, and image enhancement functions which include Black and White Stretch and Gamma Correction. It also supports panoramic scaling for conversion to wide screen display. TW8820 supports analog composite video input and the output supports a wide variety of digital LCD panel types with its built-in timing controller.

特性

  • NTSC (M, 4.43) and PAL (B, D, G, H, I, M, N, N combination), PAL (60), SECAM with automatic format detection
  • 10-bit ADC 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
  • High quality adaptive 2D comb filter for both NTSC and PAL inputs
  • 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 and sharpness
  • Built-in programmable timing controller
  • Supports 3, 4, 6 or 8 bits per pixel up to 16.8 million colors with built-in dithering engine
  • Supports digital panels up to WVGA/SVGA resolution
  • Supports Serial (8-bit) RGB panels
  • Supports programmable timing interface signals for control
  • Column (source) driver / row (gate) driver
  • 6912 byte programmable font RAM and 256 display RAM
  • Four windows font OSD with bordering / shadowing
  • 1/2/3/4 bits/pixel
  • Supports variable width (12/16), height (2~32)
  • High quality scaler with both up/down and nonlinear scaling support
  • Panorama/Water-glass scaling
  • Built-in 2D de-interlacing function
  • Programmable hue, brightness, saturation, contrast and sharpness
  • Programmable cropping of input video and graphics
  • Independent RGB gain and offset controls
  • Programmable 8-bit Gamma correction for each color
  • Operates in Frame Sync mode
  • Black/White Stretch
  • Spread spectrum clock
  • Selectable Modulation frequency and spread width
  • Industry standard 8052 based
  • Code fetch from external SPI flash memory
  • 512 byte XDATA memory
  • POWER MANAGEMENT
  • Supports functional based independent power down
  • 1.8 / 3.3 V operation
  • Supports 2-wire serial bus interface
  • Built-in Auxiliary ADC input
  • Single 27MHz crystal
  • 64 pin LQFP package

应用

  • Video door phone intercom display controller
  • Portable DVD players, media players, and DVRs
  • Rear Camera Displays

产品选择

器件号 Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active LQFP Tray 250
Availability

文档和下载

文档标题 language 类型 文档格式 文件大小 日期
数据手册与勘误表
TW8820 Data Short 简易格式数据手册 PDF 162 KB
TW8820 Datasheet 数据手册 PDF 2.64 MB
PCN / PDN
PCN15050 - Additional test facility of the Listed Intersil QFN and LQFP Packaged Products - King Yuan Electronics Corp. (KYEC) - Tong Luo, Taiwan. 产品变更通告 PDF 74 KB