Home > Products > LCD Display Controller ICs > AL321 Analog LCD Display SOC  


H.264 Video Streaming

Video Conversion ICs

LCD Display
Controller ICs

Video Surveillance
Controller ICs

Video Decoder and


LCD Display Controller ICs
  AL321B Analog LCD Display SOC (EOL)

The AverLogic AL321 is a highly integrated, video display SOC that provides a complete single-chip video management system for a wide range of image display devices. It supports Multiple Analog Input devices as well as a Single Digital Input channel. This product also features full video processing capabilities including programmable scaling, input video signal detection (PAL/ NTSC/ SECAM), and a rich selection of image adjustment features. It also comes with flexible OSD capabilities.


  • Video Door Phone, Baby Monitor, Digital Photo Frame
  • In-Car TV/GPS/Navigation & Entertainment
  • Small to Medium Multimedia TFT-LCD Display Monitor
  • Portable TV/DTV (ATSC, DVB-T/-S)


Additional Information

AL321B Flyer



  • Inputs

- Multiple Analog Inputs
- S-Video
- YPbPr
- Analog RGB
- 3-Ch/10-bit ADC, AGC & ACC
- Auto detect video signal - NTSC, PAL,
- CCIR-656/YCbCr Digital Input

  • Outputs

- Analog LCD Panels
- Low Power 3CH DAC for Analog RGB
- Programmable TCON for Analog LCD
- Serial RGB format for LTPS Digital

  • Other Functions and Features

- 2D video decoder
- Anti-aliasing filter
- Contrast/Brightness/Hue/Sat.
- Image & Edge Sharpness
- VBI decoding
- Programmable Scaling
- Built-in 8052 MCU and 1K byte
  internal SRAM
- Dedicated UART & INT pins
- Supports SPI-Flash and ISP (In-
  System Programming) function
- Supports three PWM generators for
  general purpose control
- Supports interrupt output pin for
  hardware mode detection
- Built-in Test Pattern Generator (Color
  Bar, Grey Scale, etc.)
- Low power design
- 128-pin LQFP 14 x 14 mm

back / top