WF0840ASWAMLNB0型号模块是具有广温、高亮度、广视角等特性的TFT液晶屏，液晶屏对角线尺寸为8.4寸，分辨率1024x768 像素，搭载投射电容式触控屏幕 (PCAP)。模块尺寸为199.5 x 149.0 mm;有效尺寸为170.8032 x 128.1024 mm。此模块使用支持LVDS接口的ST5821AH和ST5084AA驱动IC。LVDS 技术运用在 TFT 液晶屏上越来越受欢迎，此技术适合需要高速数据传输的 TFT LCD 模块，它在提供高数据传输率的同时会有很低的功耗。搭载的PCAP触控屏幕内建EXC81W32 IC支持接口为USB(I2C可用)，支持2个触控点。
WF0840ASWAMLNB0采用IPS面板技术（In-plane Switching）此面板技术可以解决视角问题让液晶屏视角更宽广，模块视角可达左:80/ 右:80/ 上:80/ 下:80(典型值)，具高亮度为800 nits(典型值)，对比度为1000:1(典型值)。逻辑电源电压(VDD)为3.0V~3.6V,典型值为3.3V。此型号为广温TFT工作温度范围-30℃~+80℃;储存温度范围-30℃~+80℃。此8.4寸1024x768 TFT模块适合应用在户外设备，自动贩卖机、自动缴费机以及医疗设备、测试仪器等。
| Pin No. | 符号 | 功能说明 |
|---|---|---|
| 1 | VDD | Power supply |
| 2 | VDD | Power supply |
| 3 | GND | Ground |
| 4 | GND | Ground |
| 5 | Link0- | 0- LVDS differential data input (D0N) |
| 6 | Link0+ | 0+ LVDS differential data input (D0P) |
| 7 | GND | Ground |
| 8 | Link1- | 1- LVDS differential data input (D1N) |
| 9 | Link1+ | 1+ LVDS differential data input (D1P) |
| 10 | GND | Ground |
| 11 | Link2- | 2- LVDS differential data input (D2N) |
| 12 | Link2+ | 2+ LVDS differential data input (D2P) |
| 13 | GND | Ground |
| 14 | CLKIN- | - LVDS differential clock input (CLKN) |
| 15 | CLKIN+ | + LVDS differential clock input (CLKP) |
| 16 | GND | Ground |
| 17 | Link3- | 3- LVDS differential data input (D3N) |
| 18 | Link3+ | 3+ LVDS differential data input (D3P) |
| 19 | MODE | Bit 6/8:Low(6 Bit);High(8 Bit) |
| 20 | SC | Scan direction selector (Low: Normal ;High: Reverse) |
| Pin No. | 符号 | 功能说明 |
|---|---|---|
| 1 | LED C3 | LED_ Cathode 3 |
| 2 | LED A3 | LED_ Anode 3 |
| 3 | LED C1 | LED_ Cathode 1 |
| 4 | LED A1 | LED_ Anode 1 |
| 5 | LED A2 | LED_ Anode 2 |
| 6 | LED C2 | LED_ Cathode 2 |
| Pin | 符号 | 功能说明 |
|---|---|---|
| 1 | USB_VSS | System ground |
| 2 | USB_VDD 5V | Power supply |
| 3 | USB_D+ | Data + |
| 4 | USB_D- | Data - |
| 5 | VSS | System ground |
| 6 | SDA | I2C data input and output (Must be pulled high.) |
| 7 | SCL | I2C clock input (Must be pulled high.) |
| 8 | RST | External Reset, Low is active |
| 9 | INT | External interrupt to the host |
| 10 | VDDT 3.3 | Power supply |
| 项目 | 规格 | 单位 |
|---|---|---|
| 显示尺寸(对角线) | 8.4 | 寸 |
| 点阵(分辨率) | 1024 × 3(BGR) × 768 | dots |
| 模块尺寸 | 199.5 × 149.0 × 14.3 | mm |
| 有效区域 | 170.8032 (H) × 128.1024(V) | mm |
| 点间距 | 0.1668 × 0.1668 | mm |
| LCD 类型 | TFT全透 | |
| 驱动IC | ST5821AH+ST5084AA 或相容IC | |
| 视角 | 80/80/80/80 | |
| TFT 接口 | LVDS | |
| 背光类型 | LED,平常白 | |
| 长宽比 | 4:3 | |
| Side screw torque | Typ:0.9 Max:1.3 (Unit,Kgf-cm) | |
| PCAP IC | EXC81W32 或相容IC | |
| PCAP 界面 | USB (可选I2C) | |
| PCAP FW 版本 | 00_T1_M03 | |
| PCAP 分辨率 | 16384x16384 | |
| 触控面板 | PCAP 投射电容式触控面板 | |
| 表面 | 亮面 | |
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|
| 工作温度 | TOP | -30 | － | +80 | ℃ |
| 储存温度 | TST | -30 | － | +80 | ℃ |
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 | |
|---|---|---|---|---|---|---|
| 逻辑电源电压 | VDD | 3.0 | 3.3 | 3.6 | V | |
| 供电电流 | VDD=3.3V | － | 330 | 495 | mA | |
| 输入电压 | 高准位 | VIH | 0.7VDD | － | VDD | V |
| 低准位 | VIL | GND | － | 0.3VDD | V | |
| PCAP电源电压 | USB_VDD 5V | 4.4 | 5.0 | 5.5 | V | |
| I VDD 5V | — | 45 | 68 | mA | ||
| VDDT | 2.8 | 3.3 | 3.5 | V | ||
| I VDDT | — | 45 | 68 | mA | ||
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