3.5 inch Thin Film Transistor Module
Model No. WF35LTZACDNN0
►Thin Film Transistor Module
►Size : 3.5"
►Resolution : 320 x 240 dots
►View Direction : O-TFT
►Interface : RGB
►Driver IC：HX8238
►Control-Board : No
►Brightness(cd/m²) : 300
►Frame Through Hole : Option
►Touch Screen : Without touch panel
►O-Film: Yes
Description
WF35LTZACDNN0 is a 3.5-inch Thin Film Transistor (TFT) LCD module with wide viewing angles. It features a resolution of 320 x 240 dots and a 4:3 aspect ratio. This TFT display incorporates O-Film technology to broaden its viewing angles. The module's dimensions are 76.84 × 63.84 mm, with an active area size of 70.08 × 52.56 mm. The WF35LTZACDNN0 TFT display utilizes the HX8238 driver IC, supporting 24-bit RGB interfaces. It comes with an anti-glare surface.
While TN-LCD panels dominate the market in most industrial applications, TN technology suffers from a phenomenon called gray scale inversion. This means that on one viewing side, the color of the image suddenly changes after exceeding a specified viewing angle. Consequently, the standard TFT models we offer have limited viewing angles. Winstar offers an O-Film TFT solution to enhance TN glass viewing angles and overcome gray scale inversion.
This module is characterized by a brightness of 300 cd/m² (typical value) and a contrast ratio (typical value) of 350:1. The supply voltage ranges for LCM from 3.3V to 3.0V, with a typical value of 3.3V. It can operate at temperatures ranging from -20°C to +70°C, with storage temperatures ranging from -30°C to +80°C.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin | Symbol | Function |
|---|---|---|
| 1 | LED- | Power for LED backlight cathode |
| 2 | LED- | Power for LED backlight cathode |
| 3 | LED+ | Power for LED backlight anode |
| 4 | LED+ | Power for LED backlight anode |
| 5 | NC | No connect |
| 6 | NC | No connect |
| 7 | NC | No connect |
| 8 | /RESET | Hardware reset |
| 9 | SPENA | Chip select pin of serial interface |
| 10 | SPCLK | Clock pin of serial interface |
| 11 | SPDAT | Data input pin in serial mode |
| 12 | B0 | Data bus |
| 13 | B1 | Data bus |
| 14 | B2 | Data bus |
| 15 | B3 | Data bus |
| 16 | B4 | Data bus |
| 17 | B5 | Data bus |
| 18 | B6 | Data bus |
| 19 | B7 | Data bus |
| 20 | G0 | Data bus |
| 21 | G1 | Data bus |
| 22 | G2 | Data bus |
| 23 | G3 | Data bus |
| 24 | G4 | Data bus |
| 25 | G5 | Data bus |
| 26 | G6 | Data bus |
| 27 | G7 | Data bus |
| 28 | R0 | Data bus |
| 29 | R1 | Data bus |
| 30 | R2 | Data bus |
| 31 | R3 | Data bus |
| 32 | R4 | Data bus |
| 33 | R5 | Data bus |
| 34 | R6 | Data bus |
| 35 | R7 | Data bus |
| 36 | HSYNC | Line synchronization signal |
| 37 | VSYNC | Frame synchronization signal |
| 38 | DCLK | Dot-clock signal and oscillator source |
| 39 | NC | No connect |
| 40 | NC | No connect |
| 41 | VCC | Power Supply |
| 42 | VCC | Power Supply |
| 43 | NC | No connect |
| 44 | NC | No connect |
| 45 | NC | No connect |
| 46 | NC | No connect |
| 47 | NC | No connect |
| 48 | SEL2 | Input pin to select input interface mode |
| 49 | SEL1 | Input pin to select input interface mode |
| 50 | SEL0 | Input pin to select input interface mode |
| 51 | NC | No connect |
| 52 | DE | Display enable pin from controller. Internal pull high Connect to VCCIO or floating if not used |
| 53 | DGND | System ground pin of the IC. Connect to system ground. |
| 54 | AVSS | Grounding for analog circuit -Connect to system ground |
General Specifications
| Item | Dimension | Unit |
|---|---|---|
| Size | 3.5 | inch |
| Dot Matrix | 320 × RGB × 240 (TFT) | dots |
| Module dimension | 76.84(W) × 63.84(H) × 3.27(D) | mm |
| Active area | 70.08 × 52.56 | mm |
| Dot pitch | 0.073 × 0.219 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| Backlight Type | LED, Normally White | |
| View Direction | 12 o'clock | |
| Gray Scale Inversion Direction | 6 o'clock | |
| TFT Driver IC | HX8238 or Equivalent | |
| TFT Interface | 24-bit RGB or option other mode | |
| Aspect Ratio | 4:3 | |
| Touch Panel | Without touch panel | |
| Surface | Anti-Glare | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
Electrical Characteristics
Operating conditions
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage For LCM | VCC | 3.0 | 3.3 | 3.6 | V |
| Supply Current For LCM | ICC | － | 8.6 | 15 | mA |
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