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产品叙述
WEO012864AA 型号为1.54 寸，分辨率128x64 COG OLED 模块，内建 SSD1327 IC；可使用6800 / 8080、 4线SPI、I2C等接口，支持16 (4-bits) 灰阶。逻辑电源电压3V，OLED白色发光色50％显示画面耗电流为10mA @12.5V VCC (典型值)， OLED黄色发光色50％显示画面耗电流则为7mA @12.5V VCC (典型值)，驱动方式 1/64。如果客户不需要灰阶功能， 请选择 WEO012864A 型号 OLED 模块。
WEO012864AA OLED 显示器采用 Chip-on-glass 技术使模块具有轻薄特点，此款厚度仅 1.41 mm。 OLED 模块因重量轻、低功耗、超薄等特性，非常适合用在壁挂或仪表等相关装置、家庭应用、POS 系统、 云端/物联网系统、手持装置、智能技术设备、通信系统、能源系统、医疗设备等。 WEO012864AA OLED 模块的工作温度范围-40℃~+80℃；储存温度 范围为-40℃~+85℃。
规格图
Data source ref:WEO012864AAWAP3N00000
产品规格
规格说明
| 项目 | 规格说明 | 单位 |
|---|---|---|
| 点阵(分辨率) | 128 x 64 | － |
| 模块尺寸 | 42.04 × 27.22 × 1.41 | mm |
| 有效区域 | 35.05 × 17.51 | mm |
| 像素大小 | 0.249 × 0.249 | mm |
| 像素间距 | 0.274 × 0.274 | mm |
| 显示模式 | Passive Matrix 被动矩阵 | |
| 显示颜色 | 单色 | |
| 驱动方式 | 1/64 Duty | |
| IC | SSD1309 | |
| 接口 | 6800/8080/4线 SPI/I2C | |
| 尺寸 | 1.54 寸 | |
最大绝对额定值
| 参数 | 符号 | 最小值 | 最大值 | 单位 |
|---|---|---|---|---|
| 低压电源，输入 / 输出 Pin 电源 | VCI | -0.3 | 4.0 | V |
| 逻辑电源电压 | VDD | -0.5 | 2.75 | V |
| 显示电源电压 | VCC | -0.5 | 19.0 | V |
| 工作温度 | TOP | -40 | +80 | °C |
| 储存温度 | TSTG | -40 | +85 | °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 |
|---|---|---|---|---|---|---|
| 低压电源，输入 / 输出 Pin 电源 | VCI | － | 1.65 | 3.0 | 3.5 | V |
| 显示电源电压 | VCC | － | 8.0 | 12.5 | 13.0 | V |
| 逻辑电源电压 | VDD | － | 1.65 | － | 2.6 | V |
| 输入高准位 | VIH | － | 0.8×VCI | － | VCI | V |
| 输入低准位 | VIL | － | 0 | － | 0.2×VCI | V |
| 输出高准位 | VOH | － | 0.9×VCI | － | VCI | V |
| 输出低准位 | VOL | － | 0 | － | 0.1×VCI | V |
| 50%显示画面耗电流 | ICC | VCC =12.5V | － | 10 | 20 | mA |
Pin功能定义
| Pin No. | 符号 | 功能说明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VSS | This is a ground pin. | |||||||||||||||
| 2 | VCC | Power supply for panel driving voltage. | |||||||||||||||
| 3 | VCOMH | COM signal deselected voltage level. A capacitor should be connected between this pin and VSS. No external power supply is allowed to connect to this pin. |
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| 4 | VCI | Low voltage power supply and power supply for interface logic level. It should match with the MCU interface voltage level and must be connected to external source. VCI must always set to be equivalent to or higher than VDD. |
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| 5 | VDD | Power supply pin for core logic operation. VDD can be supplied externally (within the range of 2.4V to 2.6V) or regulated internally from VCI. A capacitor should be connected between VDD and VSS under all circumstances. |
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| 6 | BS1 | Communicating Protocol Select These pins are MCU interface selection input. See the following table:
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| 7 | BS2 | ||||||||||||||||
| 8 | VSS | This is a ground pin. | |||||||||||||||
| 9 | IREF | This pin is the segment output current reference pin. A resistor should be connected between this pin and VSS to maintain the current around 10uA. |
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| 10 | CS# | This pin is the chip select input. The chip is enabled for MCU communication only when CS# is pulled low. | |||||||||||||||
| 11 | RES# | This pin is reset signal input. When the pin is low, initialization of the chip is executed. | |||||||||||||||
| 12 | 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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| 13 | 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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| 14 | 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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| 15 | D0 | These pins are 8-bit bi-directional data bus to be connected to the microprocessor’s data bus. When serial mode is selected, D1 will be the serial data input SDIN and D0 will be the serial clock input SCLK. | |||||||||||||||
| 16 | D1 | ||||||||||||||||
| 17 | D2 | ||||||||||||||||
| 18 | D3 | ||||||||||||||||
| 19 | D4 | ||||||||||||||||
| 20 | D5 | ||||||||||||||||
| 21 | D6 | ||||||||||||||||
| 22 | D7 | ||||||||||||||||
| 23 | VCC | Power supply for panel driving voltage. | |||||||||||||||
| 24 | VSS | This is a ground pin. |