Model No. WF35RTIACDNNB
►Size: 3.5"
►Resolution : 320x240 dots (320240 TFT)
►View Direction: 12H
►Interface: SPI / MCU / RGB
►Driver IC：SSD2119
►Control-Board : No
►Brightness(cd/m²): 400
►Frame Through Hole: Option
►Touch Screen : Without touch screen
The WF35RTIACDNNB is a 3.5-inch thin film transistor (TFT) LCD module featuring a QVGA 320x240 resolution. This thin film transistor module incorporates the SSD2119 IC, supporting RGB, SPI, and MCU interfaces, with a supply voltage (VCI) ranging from 2.5V to 3.6V (typical value: 3.0V).
It features an anti-glare surface panel, a 12 o’clock viewing direction, and gray scale inversion at 6 o'clock, maintaining an optimal 4:3 aspect ratio for various applications. Designed in landscape mode, the WF35RTIACDNNB offers a brightness of 400 nits (typical value), providing clear visibility even in well-lit environments.
This thin film transistor module operates reliably within a temperature range of -20℃ to +70℃, with storage temperature capabilities extending from -30℃ to +80℃. Its TFT technology ensures stable performance, making it suitable for industrial control systems, medical devices, and self-service applications.
| 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 | |
| View Direction | 12 o'clock | |
| Gray Scale Inversion Direction | 6 o'clock | |
| Interface | 8-bit/16-bit CPU or option other mode (build in controller) | |
| Aspect Ratio | 4:3 | |
| Backlight Type | LED, Normally White | |
| IC | SSD2119 | |
| Touch Screen | Without touch screen | |
| Surface | Anti-Glare | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | 70 | ℃ |
| Storage Temperature | TST | -30 | － | 80 | ℃ |
| Item | Symbol | MIN | TYP | MAX | Unit |
|---|---|---|---|---|---|
| Power supply voltage | VCI | 2.5 | 3.3 | 3.6 | V |
| Power supply pin of IO pins | VDDIO | 1.4 | 3.3 | 3.6 | V |
| Current consumption | IVCI+IVDDIO | - | - | 10 | mA |
| Dot clock | DCK | - | 5.5 | 8.2 | MHz |
| No. | Symbol | Description |
|---|---|---|
| 1 | VCI | Booster input voltage pin |
| 2 | VCI | Booster input voltage pin |
| 3 | VSS | Ground |
| 4 | VDDIO | Voltage input pin for logic |
| 5 | VSS | Ground |
| 6 | RESET | Reset Signal pin (“Low” is enable) |
| 7 | DC/SDC | Data or Command select PIN. |
| 8 | E/RD | 6800 system: E(enable signal) 8080 system : RD(read strobe signal) Serial mode: Not use and should be connected to VDDIO or VSS |
| 9 | WR | 6800 system : RW (indicates read cycle when high ,write cycle when low) 8080 system : WR (write strobe signal) |
| 10 | CS | Chip select |
| 11 | SCL | Serial Clock. |
| 12 | SD0 | Serial Data output |
| 13 | SDI | Serial Data Input |
| 14 | WSYNC | Ram write synchronization output. Leave it OPEN when not used. |
| 15~32 | D17~D0 | Data bus |
| 33 | VSS | Ground |
| 34 | DOTCLK | Dot-clock signal and oscillator source |
| 35 | HSYNC | Line Synchronous Signal |
| 36 | VSYNC | Frame Synchronous Signal |
| 37 | DE | Display enable pin for controller |
| 38 | VSS | Ground |
| 39~42 | PS0~PS3 | Interface select PIN |
| 43 | VSS | Ground |
| 44~47 | NC | NC |
| 48 | VSS | Ground |
| 49 | LEDK | Backlight LED Cathode |
| 50 | LEDA | Backlight LED Anode. |
| PS3 | PS2 | PS1 | PS0 | Interface Mode | Data bus input |
|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 16-bit 6800 parallel interface | D[17:10],D[8:1] |
| 0 | 0 | 0 | 1 | 8-bit 6800 parallel interface | D[17:10] |
| 0 | 0 | 1 | 0 | 16-bit 8080 parallel interface | D[17:10],D[8:1] |
| 0 | 0 | 1 | 1 | 8-bit 8080 parallel interface | D[17:10] |
| 0 | 1 | 0 | 0 | 9-bit generic D[9:16] (262k colour) + 3-wire SPI If 65K color, D12 shorts to D17 internally | |
| 0 | 1 | 0 | 1 | 16-bit generic (262k colour) + 3-wire SPI | |
| 0 | 1 | 1 | 0 | 18-bit generic (262k colour) + 3-wire SPI | |
| 0 | 1 | 1 | 1 | 6-bit generic D[8:3] (262k colour) + 3-wire SPI | |
| 1 | 0 | 0 | 0 | 18-bits 6800 parallel interface | D[17:0] |
| 1 | 0 | 0 | 1 | 9-bits 6800 parallel interface | D[17:9] |
| 1 | 0 | 1 | 0 | 18-bits 8080 parallel interface | D[17:0] |
| 1 | 0 | 1 | 1 | 9-bits 8080 parallel interface | D[17:9] |
| 1 | 1 | 1 | 0 | 3-wire SPI | |
| 1 | 1 | 1 | 1 | 4-wire SPI |
thin film transistor, thin film transistor module
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