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产品叙述
WEP012864Q-CTP 是一款含电容式触控COG绘图型OLED显示器，有效区域对角线为2.7寸，分辨率128x64 pixels。此OLED模块内建SSD1309 IC 可支持6800/8080 8-bit、I2C、4线SPI等界面。逻辑电压为3V;驱动方式为1/64 duty；50％显示画面耗电为175mA @ 3.0V（典型值）。模块含电容式触控面板并内建GT911 IC支持I2C接口和1点触控，表面采用亮面玻璃。此型号OLED模块加上PCB设计可使用导线连接，客户不需要额外自行开发PCB版，整合了接口设定和VCC电路，使客户易于使用。模块工作温度范围-20℃~+70℃;储存温度范围 -30℃~+80℃，适合用在智能家电、医疗设备、工控设备等等。
规格图
Data source ref: WEP012864QWPP3D00000
产品规格
Pin功能定义
| No. | 符号 | 功能说明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VSS | Ground. | |||||||||||||||
| 2 | VDD | Power supply pin for core logic operation | |||||||||||||||
| 3 | NC | No connection | |||||||||||||||
| 4 | D/C# | This pin is Data/Command control pin connecting to the MCU. When the pin is pulled HIGH, the data at D[7:0] will be interpreted as data. When the pin is pulled LOW, the data at D[7:0] will be transferred to a command register. In I2C mode, this pin acts as SA0 for slave address selection. |
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| 5 | R/W# (WR#) |
This pin is read / write control input pin connecting to the MCU interface. When 6800 interface mode is selected, this pin will be used as Read/Write (R/W#) selection input. Read mode will be carried out when this pin is pulled HIGH and write mode when LOW. When 8080 interface mode is selected, this pin will be the Write (WR#) input. Data write operation is initiated when this pin is pulled LOW and the chip is selected. When serial or I2C interface is selected, this pin must be connected to VSS. |
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| 6 | E(/RD#) | This pin is MCU interface input. When 6800 interface mode is selected, this pin will be used as the Enable (E) signal. Read/write operation is initiated when this pin is pulled HIGH and the chip is selected. When 8080 interface mode is selected, this pin receives the Read (RD#) signal. Read operation is initiated when this pin is pulled LOW and the chip is selected. When serial or I2C interface is selected, this pin must be connected to VSS. |
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| 7-14 | D0~D7 | These pins are bi-directional data bus connecting to the MCU data bus. Unused pins are recommended to tie LOW. When serial interface mode is selected, D0 will be the serial clock input: SCLK; D1 will be the serial data input: SDIN and D2 should be kept NC. When I2C mode is selected, D2, D1 should be tied together and serve as SDAout, SDAin in application and D0 is the serial clock input, SCL. |
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| 15 | NC | No connection | |||||||||||||||
| 16 | RES# | This pin is reset signal input. When the pin is pulled LOW, initialization of the chip is executed. Keep this pin pull HIGH during normal operation. |
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| 17 | CS# | This pin is the chip select input connecting to the MCU. The chip is enabled for MCU communication only when CS# is pulled LOW (active LOW). |
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| 18 | NC | No connection | |||||||||||||||
| 19 | BS2 | MCU bus interface selection pins. Select appropriate logic setting as described in the following table. BS2 and BS1 are pin select
(1) 0 is connected to VSS (2) 1 is connected to VDD |
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| 20 | BS1 | ||||||||||||||||
| 21 | TP_SCK | I2C clock signal | |||||||||||||||
| 22 | TP_SDA | I2C data signal | |||||||||||||||
| 23 | TP_INT | External interrupt signal, active low | |||||||||||||||
| 24 | TP_RST | External reset signal, active low |
规格说明
| 项目 | 尺寸 | 单位 |
|---|---|---|
| 点阵(分辨率) | 128 x 64 | － |
| 模块尺寸 | 82.0 × 47.5 × 8.65 Max. | mm |
| 有效区域 | 61.41 × 30.69 | mm |
| 点大小 | 0.45 × 0.45 | mm |
| 点间距 | 0.48 × 0.48 | mm |
| 显示模式 | 被动矩阵 | |
| 显示颜色 | 单色 | |
| 驱动方式 | 1/64 Duty | |
| IC | SSD1309 | |
| 接口 | 6800,8080,4-Wire SPI,I2C | |
| 尺寸 | 2.7 寸 | |
| CTP IC | GT911 | |
| 支援手指数 | 1 | |
| CTP 接口 | I2C | |
| 表面 | 亮面 | |
最大绝对额定值
最大绝对额定值
| 参数 | 符号 | 最小值 | 最大值 | 单位 |
|---|---|---|---|---|
| 逻辑电源电压 | VDD | -0.3 | 4 | V |
| 工作温度 | TOP | -20 | +70 | °C |
| 储存温度 | TSTG | -30 | +80 | °C |
电气特性
DC 电气特性
| 项目 | 符号 | 条件 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|---|
| 逻辑电源电压 | VDD | － | 2.8 | 3.0 | 3.3 | V |
| 输入高准位 | VIH | － | 0.8×VDD | － | － | V |
| 输入低准位 | VIL | － | － | － | 0.2×VDD | V |
| 输出高准位 | VOH | － | 0.9×VDD | － | － | V |
| 输出低准位 | VOL | － | － | － | 0.1×VDD | V |
| 50%显示画面耗电流 | VDD =3V | － | 175 | 350 | mA | |
触控面板IC GT911
| 项目 | 符号 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|
| 输入高准位 | VIH | 0.75xVDD | VDD+0.3 | V | |
| I输入低准位 | VIL | -0.3 | － | 0.25xVDD | V |
| 输出高准位 | VOH | 0.85xVDD | － | － | V |
| 输出低准位 | VOL | － | － | 0.15xVDD | V |
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