Model No. WF18FTZAADNN0
►1.77 inch TFT LCD
►Resolution : 128x160 dots
►View Direction: 6H
►Interface: MCU / SPI
►IC：ST7735S
►Control-Board : No
►Brightness(cd/m²): 400
►Frame Through Hole: No
►Touch Panel : Without Touch Panel
WF18FTZAADNN0 is a 1.77-inch TFT display module, made of resolution 128x160 pixels and 400 cd/m2 brightness. This LCD module is built in with ST7735S IC; it supports MCU or SPI interface. This model has a module dimension of 34.0 x 45.83 mm and an Active Area of 28.03 x 35.04 mm; its supply voltage ranges from 2.5V to 4.8V (typical value: 2.75V). This module is featured with brightness 400 cd/m2(typical value) and contrast ratio (typical value) of 500:1.
WF18FTZAADNN0 is a portrait mode wide view angle O-Film TFT LCD display with a 6 o'clock viewing direction and a 12 o'clock gray scale inversion direction. Its operating temperatures cover from -20℃ to +70℃, and the storage temperatures are from -30℃ to +80℃.
| Item | Dimension | Unit |
|---|---|---|
| Size | 1.77 | inch |
| Dot Matrix | 128 × RGB × 160(TFT) | dots |
| Module dimension | 34.0(W) × 45.83(H) × 2.65(D) | mm |
| Active Area (AA) | 28.03 × 35.04 | mm |
| Dot pitch | 0.073 × 0.219 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| View Direction | 6 o'clock | |
| Gray Scale Inversion Direction | 12 o'clock | |
| Aspect Ratio | Portrait | |
| IC | ST7735S | |
| Backlight Type | LED, Normally White | |
| Touch Panel | Without Touch Panel | |
| Surface | Anti-Glare | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | 70 | ℃ |
| Storage Temperature | TST | -30 | － | 80 | ℃ |
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Analog | VCI | － | 2.5 | 2.75 | 4.8 | V |
| Interface Operation Voltage | IOVCC | － | 1.65 | 1.8 | 3.7 | V |
| Supply LCM current | ICI(mA) | － | － | 0.9 | 2 | mA |
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| LED current | - | 40 | - | mA | |
| Power Consumption | - | 124 | - | mW | |
| LED voltage | VBL+ | 2.9 | 3.1 | 3.4 | V |
| LED Life Time | - | 50,000 | - | Hr |
| Pin | Symbol | I/O | Function | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VLED- | P | Back light cathode | |||||||||||||||
| 2 | VLED | P | Back light anode | |||||||||||||||
| 3 | IM0 | I | - MCU Parallel Interface Type Selection -If Not Used, Please Fix this Pin at VDDI or DGND Level.
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| 4 | IM1 | |||||||||||||||||
| 5 | IM2 | I | MCU Parallel Interface Bus and Serial Interface select IM2='1', Parallel Interface IM2='0', Serial Interface |
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| 6 | RESET | P | Reset signal | |||||||||||||||
| 7-12 | NC | - | No Connect | |||||||||||||||
| 13-28 | DB15-DB0(SPI_SDA) | I/O | DB15:0] are used as MCU parallel interface data bus. -DBis the serial input/output signal in serial interface mode. -In serial interface, DB15:1] are not used and should be fixed at VDDI or DGND level. |
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| 29 | NC | - | No Connect | |||||||||||||||
| 30 | RD | I | Read Enable in 8080 MCU Parallel Interface. -If not used, please fix this pin at VDDI or DGND level. |
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| 31 | WR | I | Serial clock -Write Enable in MCU Parallel Interface. -If not used, please fix this pin at VDDI or DGND level. |
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| 32 | D/C(SPI_SCL) | I | -Display data/command Selection Pin in MCU Interface. -D/CX='1': Display Data or Parameter. -D/CX='0': Command Data. -In Serial Interface, this is used as SCL. -If not used, please fix this pin at VDDI or DGND level. |
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| 33 | CS(SPI_CS) | I | Chip enable | |||||||||||||||
| 34 | IOVCC | P | Interface Operation Voltage | |||||||||||||||
| 35 | VCI | P | Analog Supply Voltage | |||||||||||||||
| 36 | GND | P | Ground | |||||||||||||||
| 37-40 | NC | - | No Connect |
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