https://www.bitek.com.tw/en/ Beyond Innovation Technology


10-Bit Digital Video Decoder with OSD and T-CON



  • No external memory required
  • Two 10-bit video CMOS Analog-to-Digital Converters (ADCs) in differential CMOS style for best S/N-performance
  • Fully programmable static gain or automatic gain control (AGC) the selected CVBS or Y/C channel : 0~12db (Analog) and 0~18db (Digital)
  • Automatic Clamp Control (ACC) for CVBS, Y and C
  • On-chip clock generator
  • L-lock system clock frequencies
  • Digital PLL for synchronization and clock generation from all standards and non-standard video sources e.g. consumer grade VTR
  • Requires only one crystal (24.576 MHz) for all standards
  • Automatic detection of 50 and 60 Hz field frequency, and automatic switching between PAL and NTSC standards
  • Accepts NTSC (J, M, 4.43), PAL (60, B, D, G, H, I, M, N), and SECAM (B, D, G, K, K1, L) video signal
  • User programmable luminance peaking or aperture correction
  • Adaptive 3/5-line comb filter for two dimensional chrominance/luminance separation
  • PAL delay line for correcting PAL phase errors
  • Multi-standard VBI-data slicer including closed caption
  • MV copy protection detection
  • YUV to RGB color space converting
  • Fully programmable zoom-out arbitrary ratio in both horizontal and vertical
  • Anamorphic zoom for 4:3 video input to 16:9 display converting
  • Embedded brightness, contrast, sharpness and gamma correction
  • Embedded CTI
  • Embedded programmable OSD for user Interface
  • Embedded programmable TCON (Timing-Control) generator for LCD interface
  • Embedded 3 PWM (Pulse Width Modulation) generators for general purpose control
  • Embedded IR remote control decoder


  • 3 analog inputs, internal analog source selectors, e.g. CVBS x 3 or Y/C x 1 or (Y/C x 1 and CVBS x 1)
  • 3 of 8-bit digital video input ports (R,G,B)
  • HSYNC/VSYNC Input x 1
  • Clock Input x 2
  • 24-bit RGB/YUV input up to 85MHz
  • 16-bit RGB (RGB 5:6:5) input
  • 8-bit Serial RGB Data format
  • ITU-R BT.601(16-bit) (CCIR 601)
  • ITU-R BT.656(8-bit)   (CCIR 656)
  • Built-in YUV to RGB color space converter
  • Programmable RGB input port order and pin order
  • 5V tolerance input pads support 5V/3.3V interface


  • 4x8 Bits digital output ports (R,G,B,T)
  • Programmable RGB output port order and pin order
  • Maximum output pixel frequency 85MHz@ digital output
  • Support inverse and frequency adjustment for LCD panel clock
  • Support programmable H/V sync. for LCD panel
  • Support programmable TCON for LCD panel
  • Support Delta and Stripe types LCD panel
  • Free-run Synchronization mode if sync signal disappeared


  • Support Two-wire BiTEKBus interface
  • Support Two-Wire Serial Interface (TWSI) Bus interface
  • Support 24Cxx serial EEPROM Script controller


  • Built-in OSD generator with 128 ROM fonts, 512 mix color
  • 3 windows support overlay function
  • 48 user download fonts
  • 9 sizes of zooming font (1/2, x1, x2, x3, x4, x5, x6, x7, x8)
  • Flashing font attribute
  • Fringe font attribute
  • Transparent overlay for OSD windows
  • Support external OSD interface

 Power Management:

  • 1.8V power source for core,
  • 3.3V power source for output pads
  • Power Consumption less than 300 mW


  • LQFP 128 pins