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RTD2485D
Advanced All-in-one DisplayPort LCD Monitor Controller
 
General Description

The Realtek RTD2485D is an advanced all-in-one LCD monitor controller with analog (RGB), YPbPr, HDMI, DVI, and DisplayPort 2A+2D inputs. It includes a Microcontroller Unit (MCU), an audio DAC, an advanced 6-axis color engine by VividColor, and an infrared controller, providing a powerful and integrated cost-effective platform supporting up to 1920x1080 (1080p Full HD) resolution.
The full-featured RTD2485D is a Frame-Buffer-Less solution offering a low-cost system design by reducing the number of system components, and by deploying on a 2-layer PCB.

The RTD2485D received the “Innovation Product Award 2008” from the Hsinchu Science Park Administration, and won the Best Choice of COMPUTEX TAIPEI 2008 Award” for its innovative integration of many functions previously requiring multiple external ICs. It offers high integration, high performance, and high adaptability, all within a compact package size, providing a very competitive solution.

 
Features
  • ADC/YPbPr (2 analog inputs) up to 210MHz
  • HDMI1.3/DP1.1/DVI (2 digital inputs) with HDCP supported
  • Video8 port (shares ADC and DAC pins)
  • Max resolution 1920x1080
  • Optional 8/10-bit LVDS, 6-bit RSDS, or RGB 24-bit TTL@85MHz per channel
  • Embedded 8051 with external SPI ROM interface
  • Supports external SPI-Flash up to 100MHz/16MByte
  • Supports RGB LED backlight application
  • DDC * 3, PWM * 6, GPIO * 10 (min. 8), Low-Speed ADC * 8 (3 channels for 10-bit, 5 channels for 6-bit)
  • I2C Master/Slave
  • DCC (Dynamic Contrast Control) and ICM (Independent Color Management)
  • Peaking/Coring
  • Supports sRGB/Hue/Saturation adjustment by color transform matrix
  • Supports 6-axis color control by ICM
  • Optional I2S/SPDIF(up to 8 channels)
  • Embedded audio DAC for stereo line-out and headphone output
  • Embedded audio switch for stereo line-in and HDMI audio
  • Package: 128QFP
Applications
  • LCD monitor with VGA, YPbPr, DVI, and DisplayPort inputs.
    * Note 1: The RTD2485RD is pin compatible and provides an overdrive function.
    * Note 2: The RTD2485TD is pin compatible and provides overdrive and frame-rate-conversion functions, and supports up to 2048x1152 resolution.

 

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