51 Pin Lvds Pinout Datasheet |verified| May 2026

Technical Write-up: 51-Pin LVDS Interface Pinout

4. Bit Mapping (Color Depth)

The 51-pin interface supports 24-bit True Color (8 bits per channel: Red, Green, Blue). The LVDS serializer maps the TTL video signals into the differential pairs (RXO/RXE 0 through 3).

  • Data 0: Contains Blue bits [0..5] + HSync + VSync
  • Data 1: Contains Green bits [0..5]
  • Data 2: Contains Red bits [0..5] + Control bits
  • Data 3: (Used only in specific 8-bit mapping standards)

Note: The specific bit arrangement follows the JEIDA or VESA LVDS standards. Most modern controllers default to VESA, but compatibility issues can cause color distortion (e.g., Reds appearing as Blues) if the wrong standard is selected in the BIOS. 51 pin lvds pinout datasheet

Part 4: Sample Generic Pinout Table (24-bit Single Link + LED)

Below is a representative pinout. You must compare this to your specific datasheet. Technical Write-up: 51-Pin LVDS Interface Pinout 4

| Pin # | Symbol | Description | Pin # | Symbol | Description | | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | VDD (3.3V) | Panel Power | 27 | GND | Ground | | 2 | VDD (3.3V) | Panel Power | 28 | Rx0- | LVDS Data 0 Negative | | 3 | VDD (3.3V) | Panel Power | 29 | Rx0+ | LVDS Data 0 Positive | | 4 | GND | Ground | 30 | GND | Ground | | 5 | GND | Ground | 31 | Rx1- | LVDS Data 1 Negative | | 6 | CLK+ | LVDS Clock Positive | 32 | Rx1+ | LVDS Data 1 Positive | | 7 | CLK- | LVDS Clock Negative | 33 | GND | Ground | | 8 | GND | Ground | 34 | Rx2- | LVDS Data 2 Negative | | 9 | Rx3- | LVDS Data 3 Negative | 35 | Rx2+ | LVDS Data 2 Positive | | 10 | Rx3+ | LVDS Data 3 Positive | 36 | GND | Ground | | 11 | GND | Ground | 37 | Rx3- | (Duplicate for D-Ctrl) | | 12 | SELLVDS | Map select (0=18bpp, 1=24bpp)| 38 | Rx3+ | (Duplicate for D-Ctrl) | | 13 | NC | No Connect | 39 | GND | Ground | | 14 | GND | Ground | 40 | BL_EN | Backlight Enable | | 15 | I2C_SCL | Touch/Bus Clock | 41 | PWM | Brightness Ctrl | | 16 | I2C_SDA | Touch Data | 42 | VBL (+12V) | LED Anode | | 17 | Touch_IRQ | Interrupt | 43 | VBL (+12V) | LED Anode | | 18 | GND | Ground | 44 | GND_BL | LED Return | | 19-26 | (Reserved / Test / GND) | Factory use | 45-51 | (Reserved / GND) | Factory use | Data 0: Contains Blue bits [0

Note: In many real-world datasheets, pins 19-26 and 45-51 are mapped to the second LVDS link (Dual-Link) or alternate function pins.

PWM Brightness (Pin 50)

  • Frequency: 100Hz to 30kHz (most common: 200Hz-1kHz).
  • Duty cycle: 0% (off) to 100% (max).
  • Logic level: 3.3V typical; some panels require open-drain.