产品叙述
WEO128128B 是一款圆形直径1.18寸的单色被动式PMOLED显示器模组，解析度为128x128 pixels。WEO128128B内置SSD1327ZB controller控制器, 支援多种传输接口: 6800 8-bite, 8080 8-bit 平行介面, I2C 与4线SPI串列介面，使用3V驱动。 WEO128128B的模组尺寸为37.18×41.23×2.05 mm， AA区尺寸为Ø30 mm。
WEO128128B为COG结构的OLED显示器模组，为有机自发光，无须背光源，模组轻薄且低耗电流，此款圆形OLED模组非常适合手持式产品、量测仪器、穿戴装置、家用产品与车载等等。WEO128128B标准颜色有黄色、白色与天空蓝，有其他颜色需求请洽我们的业务人员。 此模组的工作温度是-40℃至 +80℃，储存温度-40℃至 +85℃，如有样品需求或是更详细的产品资讯请与我们联系。
可选 FPC
规格图
Data source ref: WEO128128BWAP3N00001
产品规格
Pin功能定义
| No. | 符号 | 功能说明 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | VSS | Ground pin. It must be connected to external ground. | ||||||||||
| 2 | VCC | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. It is supplied by external high voltage source. | ||||||||||
| 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 |
MCU bus interface selection pins. Select appropriate logic setting as described in the following table. BS2 and BS1 are pin select.
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| 7 | BS2 | |||||||||||
| 8 | VSS | Ground pin. It must be connected to external ground. | ||||||||||
| 9 | IREF | This pin is the segment output current reference pin | ||||||||||
| 10 | 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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| 11 | 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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| 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. When 3-wire serial interface is selected, this pin must be connected to VSS. |
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| 13 | W/R# | 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. |
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| 14 | 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 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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| 16 | D1 | |||||||||||
| 17 | D2 | |||||||||||
| 18 | D3 | |||||||||||
| 19 | D4 | |||||||||||
| 20 | D5 | |||||||||||
| 21 | D6 | |||||||||||
| 22 | D7 | |||||||||||
| 23 | VCC | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. It is supplied by external high voltage source. | ||||||||||
| 24 | VSS | Ground pin. |
规格说明
| 项目 | 尺寸 | 单位 |
|---|---|---|
| 点阵(分辨率) | 128 x 128 | Dots |
| 模块尺寸 | 37.18× 41.23 × 2.05 | mm |
| 有效显示区域 | Ø30 | mm |
| 点大小 | 0.210 × 0.210 | mm |
| 点间距 | 0.235 × 0.235 | mm |
| 显示模式 | 被动矩阵 | |
| 发光颜色 | 单色 | |
| 驱动方式 | 1/128 Duty | |
| 灰阶 | 4 bits | |
| IC | SSD1327 | |
| 接口 | 6800, 8080, 4线SPI，I2C | |
| 尺寸 | 1.18 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/输出针脚(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 | 條件 | 最小值 | 典型值 | 最大值 | 单位 |
|---|---|---|---|---|---|---|
| 低压电源,输入/输出针脚(Pin)电源 | VCI | Note | 2.8 | 3 | 3.3 | V |
| 显示电源电压 | VCC | － | 14 | 14.5 | 15 | V |
| 逻辑电源电压 | VDD | － | 2.4 | － | 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 | VCC =14.5V | － | 24 | 26 | mA | |
Note: VCI must be larger than or equal to VDD
可选FPC:
| 图示 | FPC长度 | PIN | Pitch | ZIF / HOTBAR FPC | 接口 | FPC No. | 建立日期 |
|---|---|---|---|---|---|---|---|
 |
25.05 | 24 | 0.5 | ZIF | 6800,8080,SPI,I2C | FPC2050002411XXXXX02 | 20160511 |
 |
91 | 18 | 0.5 | ZIF | 4-line SPI , I2C | FPC2050001811XXXXX04 | 20180705 |
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