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WF28JTYAJDNG0 為一款 2.8 吋 TFT LCD 顯示模組,解析度為 240x320 pixels,畫面比例為 3:4。採直式顯示設計,搭載 IPS 廣視角技術,視角為 80/80/80/80(典型值)。亮度典型值為 400 cd/m²,對比度為 800:1。
此模組內建 ILI9341V 或相容控制 IC,支援 MCU 與 SPI 介面。模組外形尺寸為 50.5 x 69.7 mm,可視區尺寸為 43.2 x 57.6 mm。採用 IPS TFT 全透面板,顯示模式為 Normally Black。
搭載 投射電容觸控面板(CTP/PCAP),支援 I2C 介面 與 單點觸控。觸控 IC 採用 CF1124 或相容方案。數位電壓(IOVCC)範圍為 1.65V 至 3.3V,類比電壓(VCI)範圍為 2.5V 至 3.3V,觸控邏輯電源(VDDT)範圍為 3.0V 至 3.6V。
操作溫度範圍為 -20°C 至 +70°C,儲存溫度範圍為 -30°C 至 +80°C,適用於工業控制面板、可攜式設備及醫療設備等應用。

| 項目 | 規格 | 單位 |
|---|---|---|
| 尺寸 | 2.8 | 吋 |
| 解析度 | 240 x RGB x 320(TFT) | dots |
| 模組尺寸 | 50.5(W) x 69.7(H) x 6.3(D) | mm |
| 有效區域 | 43.2 x 57.6 | mm |
| 點間距 | 0.18 x 0.18 | mm |
| LCD類型 | TFT全透 | |
| TFT 驅動 IC | ILI9341V 或相容IC | |
| TFT 介面 | MCU/SPI | |
| 視角 | 80/80/80/80 | |
| 長寬比 | 3:4 | |
| 背光類型 | LED ,平常白 | |
| CTP IC | CF1124 或相容IC | |
| CTP 介面 | I2C | |
| CTP FW版本 | 01 | |
| CTP 解析度 | 240*320 | |
| 觸控面板 | 投射電容式觸控面板 (CTP) | |
| 表面 | 亮面 | |
| 項目 | 符號 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|
| 工作溫度 | TOP | -20 | - | +70 | ℃ |
| 儲存溫度 | TST | -30 | - | +80 | ℃ |
| 項目 | 符號 | 條件 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|---|
| 數位電源電壓 | IOVCC | - | 1.65 | - | 3.3 | V |
| 類比電源電壓 | VCI | - | 2.5 | - | 3.3 | V |
| 電源電流 | ICC | IOVCC=VCI =VCC=3.0V |
- | 13 | 20 | mA |
| 觸控邏輯電源電壓 | VDDT | - | 3.0 | 3.3 | 3.6 | V |
| IDDT | - | - | 15 | 25 | mA |
| 參數 | 符號 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|
| LED 電流 | - | - | 80 | - | mA |
| LED 電壓 | LEDA | 8.1 | 9.3 | 10.5 | V |
| LED 使用壽命 | - | 50000 | - | - | Hr |
| NO | 符號 | 功能 | I/O | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GND | Ground | P | ||||||||||||||||||||||||||||||||||||||||||||
| 2-6 | NC | No connection | - | ||||||||||||||||||||||||||||||||||||||||||||
| 7 | VCI | High voltage power supply for analog circuit blocks (2.5 ~ 3.3 V) |
P | ||||||||||||||||||||||||||||||||||||||||||||
| 8 | IOVCC | Low voltage power supply for interface logic circuits (2.5 ~ 3.3 V) |
P | ||||||||||||||||||||||||||||||||||||||||||||
| 9 | 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. |
O | ||||||||||||||||||||||||||||||||||||||||||||
| 10 | CS | Chip select signal. | I | ||||||||||||||||||||||||||||||||||||||||||||
| 11 | D/CX(SCL) | (D/CX): This pin is used to select "Data or Command" in the parallel interface. When DCX = 1, data is selected. When DCX = 0, command is selected. (SCL): This pin is used as the serial interface clock in 3-wire 9-bit/4-wire 8-bit serial data interface. If not used, this pin should be connected to IOVCC or GND. |
I | ||||||||||||||||||||||||||||||||||||||||||||
| 12 | WR(SPI_D/C) | (WRX) - 8080-Ⅰ/8080-Ⅱ system: Serves as a write signal and writes data at the rising edge. (D/CX) - 4-line system: Serves as the selector of command or parameter. Fix to IOVCC level when not in use. |
I | ||||||||||||||||||||||||||||||||||||||||||||
| 13 | RD | 8080-Ⅰ/8080-Ⅱ system (RDX): Serves as a read signal and MCU read data at the rising edge. Fix to IOVCC level when not in use. |
I | ||||||||||||||||||||||||||||||||||||||||||||
| 14-29 | DB0~DB15 | 18-bit parallel bi-directional data bus for MCU system. Fix to GND level when not in use. |
I/O | ||||||||||||||||||||||||||||||||||||||||||||
| 30 | RESET | (RESX)This signal will reset the device and must be applied to properly initialize the chip. Signal is active low. |
I | ||||||||||||||||||||||||||||||||||||||||||||
| 31 | IM0 | Select the MCU interface mode
MPU Parallel interface bus and serial interface select If use RGB Interface must select serial interface. * : Fix this pin at IOVCC or GND. |
I | ||||||||||||||||||||||||||||||||||||||||||||
| 32 | IM1 | ||||||||||||||||||||||||||||||||||||||||||||||
| 33 | IM2 | ||||||||||||||||||||||||||||||||||||||||||||||
| 34 | DB16 | 18-bit parallel bi-directional data bus for MCU system and RGB interface mode Fix to GND level when not in use. |
I/O | ||||||||||||||||||||||||||||||||||||||||||||
| 35 | DB17 | ||||||||||||||||||||||||||||||||||||||||||||||
| 36 | LEDK | Cathode of LED backlight. | P | ||||||||||||||||||||||||||||||||||||||||||||
| 37 | LEDK | Cathode of LED backlight. | P | ||||||||||||||||||||||||||||||||||||||||||||
| 38 | LEDA | Anode of LED backlight. | P | ||||||||||||||||||||||||||||||||||||||||||||
| 39 | SDA | SDA : Serial in/out signal. The data is applied on the rising edge of the SCL signal. If not used, fix this pin at IOVCC or GND. |
I/O | ||||||||||||||||||||||||||||||||||||||||||||
| 40 | NC | Not used, open this pin | N | ||||||||||||||||||||||||||||||||||||||||||||
| Pin | 符號 | 功能 |
|---|---|---|
| 1 | VSS | Ground for analog circuit |
| 2 | VDDT | Power Supply : +3.3V |
| 3 | SCL | I2C clock input |
| 4 | NC | No connect |
| 5 | SDA | I2C data input and output |
| 6 | NC | No connect |
| 7 | /RST | External Reset, Low is active |
| 8 | NC | No connect |
| 9 | /INT | External interrupt to the host |
| 10 | VSS | Ground for analog circuit |
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