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GC9A01 1.28英寸 TFT 圆形LCD模块 (型号: WFN0128A2T0YADNN000) 提供高分辨率240x240 IPS显示效果,是需要圆形显示器应用的理想选择。该模块专为高要求的工作环境设计,具有卓越的性能、持久的耐用性,并且可以轻松集成到各种系统中。
该模块采用GC9A01驱动IC,支持多种灵活的接口选项,包括8/9/16/18位MCU、3/4线SPI串行接口以及16/18位RGB,确保与广泛的主控平台兼容。亮度可达500 cd/m²,对比度为700:1,能够在不同的光照条件下稳定显示。此外,它还具备从-20℃到+70℃的宽工作温度范围,LED寿命长达50,000小时,提供可靠且具成本效益的长期使用解决方案。
GC9A01 1.28英寸 TFT 圆形LCD显示模块 是需要紧凑且高性能圆形显示的应用理想选择。凭借其灵活的接口选项、广泛的工作温度范围和长效的使用寿命,旨在满足工业和消费级设备的需求。


| 项目 | 规格 | 单位 |
|---|---|---|
| 尺寸(对角线) | 1.28 | 英寸 |
| 点阵(分辨率) | 240 × RGB × 240 (TFT) | dots |
| 模块尺寸 | 35.6 × 37.74 × 1.48 | mm |
| 有效区域 | 32.4 × 32.4 | mm |
| 像素间距 | 0.135 × 0.135 | mm |
| LCD类型 | TFT全透 | |
| 视角 | 85/85/85/85 | |
| TFT 接口 | 8/9/16/18bit MCU 3/4SPI+16/18BIT RGB 3/4 Serial |
|
| 背光类型 | LED, 白色 | |
| 驱动IC | GC9A01 | |
| 触控面板 | 无触控面板 | |
| 表面 | 防眩光 | |
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|
| 工作温度 | TOP | -20 | - | +70 | ℃ |
| 储存温度 | TST | -30 | - | +80 | ℃ |
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|
| 数字供电电压 | VCC | 2.5 | 2.8 | 3.3 | V |
| 数字接口供电电压 | IOVCC | 1.65 | 2.8 | 3.3 | V |
| 正常模式电流消耗 | ICC | -- | 6 | 12 | mA |
| 输入电压范围 | VIH | 0.7*IOVCC | -- | IOVCC | V |
| VIL | GND | -- | 0.3*IOVCC | V | |
| 输出电压范围 | VOH | 0.8*IOVCC | -- | IOVCC | V |
| VOL | GND | -- | 0.2*IOVCC | V |
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|
| LED电流 | - | - | 40 | - | mA |
| LED电压 | VLED+ | 2.8 | 3.0 | 3.2 | V |
| LED使用寿命 | - | 50000 | - | - | Hr |
| Pin No | 符号 | 功能说明 | 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. |
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| 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 | 界面类型 | 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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