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WEO012832S 是一款 0.91 寸 OLED 显示模块,具备 128x32 点矩阵分辨率,并内建的 CH1120 驱动 IC。这款 OLED 0.91 寸 显示屏专为小巧设计的系统而设计,适用于机械深度、功率效率及清晰的单色显示为主要限制的应用。它支持 4-bit 灰阶,提供比传统的 1-bit OLED 模块更多的 UI 表现弹性。如需详细规格,请参考 OLED 0.91" 数据表。
OLED 显示屏 0.91" 128x32 以 3V 逻辑电压运行,并提供 SPI 和 I2C 接口,可轻松与大多数 MCU 平台进行整合。此模块具有 160°(水平/垂直)的广视角,并且可从 –40°C 至 +80°C 的广泛操作温度范围,确保在消费性及工业环境中的稳定运行。
根据其尺寸、功耗特性和结构,WEO012832S 非常适合应用于:
如果您的设计需要更多的机械支持、更简便的安装方式或更快速的原型制作,我们还提供相同显示器的 COG+PCB 版本。
请参考 WEA012832S,以了解含PCB 配置的OLED模块版本及其详细规格。。

Data source ref:WEO012832SWPP3N00000
| 项目 | 规格 | 单位 |
|---|---|---|
| 点阵 | 128 × 32 Dots | - |
| 模块尺寸 | 30.0 × 11.5 × 1.41 | mm |
| 有效区域 | 22.38 × 5.58 | mm |
| 像素大小 | 0.155 × 0.155 | mm |
| 像素间距 | 0.175 × 0.175 | mm |
| 显示模式 | 被动矩阵(Passive Matrix) | |
| 发光颜色 | 单色 | |
| 驱动方式 | 1/32 Duty | |
| 灰阶 | 4 bits | |
| IC | CH1120 | |
| 接口 | 4-wire SPI,I2C | |
| 尺寸(对角线) | 0.91吋 | |
| 参数 | 符号 | 最小值 | 最大值 | 单位 |
|---|---|---|---|---|
| 逻辑电源电压 | VDD | -0.3 | 3.5 | V |
| 显示电源电压 | VPP | -0.3 | 15.0 | V |
| 工作温度 | TOP | -40 | +80 | °C |
| 储存温度 | TSTG | -40 | +85 | °C |
| 项目 | 符号 | 条件 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|---|
| 逻辑电源电压 | VDD | - | 1.65 | 3.0 | 3.5 | V |
| 显示电源电压 | VPP | - | 8.0 | 9.0 | 9.5 | V |
| 输入高准位 | VIH | - | 0.8×VDD | - | VDD | V |
| 输入低准位 | VIL | - | VSS | - | 0.2×VDD | V |
| 输出高准位 | VOH | - | 0.8×VDD | - | VDD | V |
| 输出低准位 | VOL | - | VSS | - | 0.2×VDD | V |
| 显示器50%像素开启时 | IPP | VPP=9V | - | 3 | 6 | mA |
| No. | 符号 | 功能说明 | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | ESD_GND | This pin should be connected to GND. | ||||||
| 2 | VPP | OLED panel power supply. Connect to capacitor. It could be supplied externally. This is the most positive voltage supply. |
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| 3 | VCOMH | This is a pin for the voltage output high level for common signals. A capacitor should be connected between this pin and VSS. |
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| 4 | SEGH | This is a segment pre-charge voltage. A capacitor can be connected between this pin and GND if necessary. When external capacitor is not used, this pin should be kept NC. |
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| 5 | VSL | Discharge voltage level pad. This pad should be connected to resistor and diode externally. |
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| 6 | VSS | Ground for logic and analog. This pin should be connected to GND externally. | ||||||
| 7 | VDD | Power supply for logic. | ||||||
| 8 | RES | This is a reset signal input pin. When RES is set to “L”, the settings are initialized. The reset operation is performed by the RES signal level. This pin internal pull high. |
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| 9 | A0/SA0 | This is the Data/Command control pin that determines whether the data bits are data or a command. In I2C interface, this pad serves as SA0 to distinguish the different address of OLED driver. |
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| 10 | CS | This pin is the chip select input. When CS = “L”, then the chip select becomes active, and data/command I/O is enabled. | ||||||
| 11 | SCL | The serial clock input. | ||||||
| 12 | SI | The serial data input. | ||||||
| 13 | IM1 | MCU bus interface selection pins.
|
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| 14 | IREF | This is a segment current reference pin. A resistor should be connected between this pin and GND. |
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| 15 | DVDD | This pin is for regulator circuit. A capacitor should be connected between this pin and GND if necessary. When external capacitor Is not used, this pin should be kept NC |
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| 16 | ESD_GND | This pin should be connected to GND. |
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