Model No. WFN0128A2T0YADNN000
►GC9A01 Round TFT LCD
►Size: 1.28 inch
►Resolution : 240x240 pixels
►View Direction : 85/85/85/85 (IPS)
►Interface : MCU/SPI+RGB
►Driver IC : GC9A01 (GC9A01 Display)
►Control-Board : No
►Brightness (cd/m²): 500
►Frame Through Hole : No
►Touch Screen : Without Touch Panel
The GC9A01 1.28-inch TFT Round LCD Module (Model: WFN0128A2T0YADNN000) delivers high-resolution 240x240 IPS visuals, making it a perfect solution for applications that require round displays. Designed for demanding environments, this compact module offers excellent performance, long-lasting durability, and easy integration into a variety of systems.
Powered by the GC9A01 driver IC, this module supports flexible interface options, including 8/9/16/18-bit MCU, 3/4-wire SPI serial, and 16/18-bit RGB, ensuring compatibility with a wide range of host platforms. With a brightness of 500 cd/m² and a contrast ratio of 700:1, it performs reliably in various lighting conditions. Additionally, it has an extended operating temperature range from -20°C to +70°C and offers a long LED lifespan of 50,000 hours, making it a reliable and cost-effective solution for long-term use.
The GC9A01 1.28-inch TFT Round LCD Display is the ideal choice for applications that require a compact, high-performance round display. With its flexible interface options, wide temperature range, and long operational lifespan, it is designed to meet the needs of both industrial and consumer-grade devices.
| Item | Dimension | Unit |
|---|---|---|
| Size | 1.28 | inch |
| Dot Matrix | 240 × RGB × 240 (TFT) | dots |
| Module dimension | 35.6 × 37.74 × 1.48 | mm |
| Active Area | 32.4 × 32.4 | mm |
| Pixel Pitch | 0.135 × 0.135 | mm |
| LCD type | TFT, Normally Black, Transmissive | |
| Viewing Angle | 85/85/85/85 | |
| TFT Interface | 8/9/16/18bit MCU 3/4SPI+16/18BIT RGB 3/4 Serial |
|
| Backlight Type | LED, Normally White | |
| Driver IC | GC9A01 | |
| 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 | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| Digital Supply Voltage | VCC | 2.5 | 2.8 | 3.3 | V |
| Digital interface supple Voltage | IOVCC | 1.65 | 2.8 | 3.3 | V |
| Normal mode Current consumption | ICC | -- | 6 | 12 | mA |
| Level input voltage | VIH | 0.7*IOVCC | -- | IOVCC | V |
| VIL | GND | -- | 0.3*IOVCC | V | |
| Level output voltage | VOH | 0.8*IOVCC | -- | IOVCC | V |
| VOL | GND | -- | 0.2*IOVCC | V |
| Item | Symbol | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| LED current | - | - | 40 | - | mA |
| LED voltage | VLED+ | 2.8 | 3.0 | 3.2 | V |
| LED Life Time | - | 50000 | - | - | Hr |
| Pin No | Symbol | Function | I/O |
|---|---|---|---|
| 1 | VLED+ | Anode pin of backlight | P |
| 2 | VLED* | Cathode pin of backlight | P |
| 3 | GND | Ground. | P |
| 4 | GND | Ground. | P |
| 5 | VCC | Supply voltage (2.5-3.3V). | P |
| 6 | IOVCC | Supply voltage (1.65-3.3V). | P |
| 7 | RESET | This signal will reset the device and must be applied to properly initialize the chip. |
I |
| 8 | WR(SPI-RS) | -Write enable in MCU parallel interface. Display data/command selection pin in 4-line serial interface. Second Data lane in 2 data lane serial interface. -If not used, please fix this pin at IOVCC or GND. |
I |
| 9 | CS | Chip select input pin (“Low” enable ,CSX). Fix this pin at IOVCC or GND when not in use. |
I |
| 10 | RS(SPI-SCL) | -Display data/command selection pin in parallel interface.(D/CX) -This pin is used to be serial interface clock. (SCL) DC=’1’: display data or parameter. DC=’0’: command data. -If not used, please fix this pin at IOVCC or GND. |
I |
| 11 | RD | Serves as a read signal and MCU read data at the rising edge. Fix this pin at IOVCC or GND when not in use. |
I |
| 12 | PCLK | Dot clock signal for RGB interface operation. (DOTCLK) Fix this pin at IOVCC or GND when not in use. |
I |
| 13 | DE | Data enable signal for RGB interface operation. (ENABLE) fix this pin at IOVCC or GND when not in use. |
I |
| 14 | VSYNC | Frame synchronizing signal for RGB interface operation. fix this pin at IOVCC or GND when not in use. |
I |
| 15 | HSYNC | Line synchronizing signal for RGB interface operation. fix this pin at IOVCC or GND when not in use. |
I |
| 16 | TE | Tearing effect output pin to synchronize MPU to frame writing, activated by S/W command. When this pin is not activated, this pin is low. If not used, open this pin. |
I |
| 17 | NC | No connection | O |
| 18 | SDA | The data is latched on the rising edge of the SCL signal. If not used, please fix this pin at IOVCC or GND level |
I/O |
| 19-36 | DB17-DB0 | 18-bit parallel bi-directional data bus for MCU system and RGB interface mode . 18-bit RGB DB0:BLUE LSB--DB5:BLUE MSB; DB6:GREEN LSB--DB11:GREEN,MSB; DB12:RED LSB--DB17:RED MSB. 16-bit RGB: DB1:BLUE LSB--DB5:BLUE MSB; DB6:GREEN LSB--DB11:GREEN,MSB; DB13:RED LSB--DB17:RED MSB. mode Fix to GND level when not in use |
I/O |
| 37 | IM0 | MPU Parallel interface bus and serial interface select If use RGB Interface must select serial interface. Fix this pin at IOVCC and GND. |
I |
| 38 | IM1 | ||
| 39 | IM3 |
| IM3 | IM1 | IM0 | Interface Type | DB Pin in use |
|---|---|---|---|---|
| L | L | L | 8080 MCU 8-bit bus interface | DB7-DB0 |
| L | H | L | 8080 MCU 16-bit bus interface | DB15- DB0 |
| L | L | H | 8080 MCU 9-bit bus interface | DB8- DB0 |
| L | H | H | 8080 MCU 18-bit bus interface | DB17- DB0 |
| H | L | H | 3-wire 9-bit data serial interface | SDA:In/Out |
| 2 data line serial interface | SDA:In/Out,DCX:In | |||
| H | H | H | 4-wire 8-bit data serial interface | SDA:In/Out |
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