1280x800, 12.1 inch LVDS IPS TFT LCD Display
Model No. WF121BTXAPLNNA
►Size : 12.1 inch
►1280x800 Display
►View Direction : IPS
►Interface : LVDS
►Driver IC : Fiti EK77526AHI205A
►Control-Board : No
►Brightness (cd/m²) : 400
►Frame Through Hole : No
►Touch Screen : No
►Operating Temperature : -20~+70°C
Description
WF121BTXAPLNNA is a 12.1 inch IPS TFT display. This IPS TFT display has a resolution of 1280x800 pixels and a brightness of 400 nits (typical value. It supports LVDS interfaces. The power supply voltage (VCC) for this TFT-LCD is from 3.0V to 3.6V, and the typical value is 3.3V.
The WF121BTXAPLNNA module can operate at temperatures from -20°C to +70°C; its storage temperatures range from -20°C to +70°C.
DRAWING
SPECIFICATIONS
Interface Pin Function
LCM PIN Definition| Pin No. | Symbol | Description |
|---|---|---|
| 1 | 12V | LED power |
| 2 | 12V | LED power |
| 3 | 12V | LED power |
| 4 | 12V | LED power |
| 5 | ENLED | Enable pin |
| 6 | Dimming | Backlight Adjust |
| 7 | GND | Ground |
| 8 | GND | Ground |
| 9 | VCC | Power supply：+3.3V |
| 10 | VCC | Power supply：+3.3V |
| 11 | GND | Ground |
| 12 | GND | Ground |
| 13 | RX0- | Negative transmission data of pixel 0 |
| 14 | RX0+ | Positive transmission data of pixel 0 |
| 15 | GND | Ground |
| 16 | RX1- | Negative transmission data of pixel 1 |
| 17 | RX1+ | Positive transmission data of pixel 1 |
| 18 | GND | Ground |
| 19 | RX2- | Negative transmission data of pixel 2 |
| 20 | RX2+ | Positive transmission data of pixel 2 |
| 21 | GND | Ground |
| 22 | RXCLK- | Negative of clock |
| 23 | RXCLK+ | Positive of clock |
| 24 | GND | Ground |
| 25 | RX3- | Negative transmission data of pixel 3 |
| 26 | RX3+ | Positive transmission data of pixel 3 |
| 27 | GND | Ground |
| 28 | SEL6/8 | LVDS 6/8 bit select function control |
| Low or NC → 6 bit Input Mode | ||
| High → 8bit Input Mode | ||
| 29 | GND | Ground |
| 30 | GND | Ground |
General Specifications
| Item | Dimension | Unit |
|---|---|---|
| Dot Matrix | 1280 x R.G.B. x 800 | dots |
| Module dimension | 278.0*184.0*10.0 | mm |
| Active Area (AA) | 261.12*163.2 | mm |
| Pixel pitch | 0.204 x 0.204 | mm |
| LCD type | TFT, Normally Black, Transmissive | |
| Surface Treatment | AG type, 3H hard coating | |
| Backlight Type | LED ,Normally White | |
| TFT Interface | LVDS | |
| Aspect Ratio | 16：9 | |
| Touch Panel | Without Touch Panel | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -20 | － | +70 | ℃ |
Electrical Characteristics
LCD ELETRONICS SPECIFICATION| Parameter | Symbol | Value | Unit | |||
|---|---|---|---|---|---|---|
| Min | Typ | Max | ||||
| Power Supply Voltage | VCC | 3.0 | 3.3 | 3.6 | V | |
| Permissive Ripple Voltage | VRP | - | 50 | - | mV | |
| Rush Current | IRUSH | 1.5 | A | |||
| Initial Stage Current | IIS | - | - | 1.0 | A | |
| Power Supply Current | White | - - |
- | 530 | 630 | mA |
| Black | - | 350 | 420 | mA | ||
|
LVDS Differential Input High |
VTH(LVDS) | +100 | - | - | mV | |
|
LVDS Differential Input Low |
VTL(LVDS) | - | - | -100 | mV | |
| LVDS Common Mode Voltage | VCM | 1.125 | - | 1.375 | V | |
| LVDS Differential Input Voltage | |VID| | 100 | - | 600 | mV | |
| Terminating Resistor | RT | - | 100 | - | Ohm | |
