RTD2270L Datasheet – Flat Panel Display Controller
RTD2270L overview
The RTD2270L is a Flat Panel Display Controller made by Realtek, supplied in an LQFP64 Type package. The absolute maximum ratings table on this page lists the 9 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the RTD2270L pinout and maximum ratings, with the full datasheet PDF to preview below or download.
A flat panel display controller (FPDC) is an electronic device that serves as the interface between a computer or other image source and a flat panel display (FPD). Its primary function is to receive digital image data from the source and process it to generate the necessary signals for displaying the images on the flat panel screen.
The FPDC takes the digital image data, typically in the form of pixel values, and performs various operations such as color space conversion, scaling, image enhancement, and video processing. It also handles tasks such as refresh rate control, synchronization, and driving the display panel.
Datasheet
RTD2270L features
- General
- Embedded DDC with DDC1/2B/CI
- Embedded one MCU with SPI flash controller.
- Require only one crystal to generate all timing.
- Programmable internal low-voltage-reset (LVR)
- High resolution 6 channels PWM output, and wide range selectable PWM frequency.
- Support input format up to FHD
- Embedded BJT control circuit for 1.2V regulator replacement
- Analog RGB Input Interface
- One Analog input supported
- Integrated 8-bit triple-channel 210MHz ADC/PLL(option)
- Embedded programmable Schmitt trigger of HSYNC
- Support Sync-On-Green (SOG) and various kinds of composite sync modes
- On-chip high-performance hybrid PLLs
- High resolution true 64 phase ADC PLL
- Embedded MCU
- Industrial standard 8051 core with external serial flash
- Low speed ADC for various application
- I2C Master or Slave hardware supported
- Auto Detection /Auto Calibration
- Input format detection
- Compatibility with standard VESA mode and support user-defined mode
- Smart engine for Phase/Image position/Color calibration
- Scaling
- Fully programmable zoom ratios
- Independent horizontal/vertical scaling
- Advanced zoom algorithm provides high image quality
- Sharpness/Smooth filter enhancement
- Support non-linear scaling from 4:3 to 16:9 or 16:9 to 4:3
- Color Processor
- True 10 bits color processing engine
- sRGB compliance
- Advanced dithering logic for 18-bit panel color depth enhancement
- Brightness and contrast control
- Programmable 10-bit gamma support
- Peaking/Coring function for video sharpness
- Vivid ColorTM Independent color management (ICM) Dynamic contrast control (DCC)
- Independent color management (ICM)
- Dynamic contrast control (DCC)
- Output Interface Fully programmable display timing generator Flexible data pair swapping for easier system design. Single or Dual display interface supported up to 186MHz, FHD resolution LVDS output interface Support 8 bits LVDS output Spread-Spectrum DPLL to reduce EMI Fixed Last Line output for perfect panel capability
RTD2270L pinout

| Pin | Name | Description |
|---|---|---|
| 1 | XIN | Crystal input |
| 2 | XOUT | Crystal output |
| 3 | AGND | |
| 4 | REXT/GPIO | |
| 5 | ADC_GND | ADC Power |
| 6 | ADC_VDD33 | - |
| 7 | BIN1- | VGA INPUT signal |
| 8 | BIN1+ | |
| 9 | GIN1- | |
| 10 | GIN1+ | |
| 11 | SOG0 | |
| 12 | RIN1- | |
| 13 | RIN1+ | |
| 14 | ADC_GND | |
| 15 | ADC_REF | ADC_Reference Power |
| 16 | HSYNC | |
| 17 | VSYNC | |
| 18 | DDC_SDA/GPIO/TX | DDC SDA/MCU GPIO/TX |
| 19 | DDC_SCL/GPIO/RX | DDC SCL/MCU GPIO/ RX |
| 20 | GPIO/PWM0 | MCU GPIO/ PWM output |
| 21 | SPI_SDO/ SCSB | SPI flash serial data output/ Host Interface_SCSB |
| 22 | SPI_CE | SPI flash chip enable Note: POL pin, 1:internal MCU, 0:ext. MCU |
| 23 | SPI_SCL/ SDIO | SPI flash clk/ Host Interface_SDIO |
Absolute maximum ratings
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Voltage on Input (5V tolerant) | VIN | Min -1 / Max 5 | V |
| Supply Voltage | PVCC | Min 3.0 / Typ 3.3 / Max 3.6 | V |
| Supply Voltage | VCCK | Min 1.08 / Typ 1.2 / Max 1.32 | V |
| Electrostatic Discharge | VESD | Typ ±2.5 | kV |
| Latch-Up | ILA | Max ±100 | mA |
| Ambient Operating Temperature | TA | Min 0 / Max 70 | ºC |
| Storage temperature (plastic) | TSTG | Min -55 / Max 125 | ºC |
| Thermal Resistance (Junction to Air) | θJA | Max TBD | ºC/W |
| Junction Acceptable Temperature | Tj | Max 125 | ºC |
RTD2270L applications
- LCD and LED TV Displays
- Digital Television (DTV) Systems
- High-Definition Multimedia Interface (HDMI) Integration
- Smart TV Platforms
- Multimedia Entertainment
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