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20x4 COG SSD1311 OLED 显示模块(型号:WEO002004C)采用 COG(Chip On Glass)设计,提供高性能且可靠的显示解决方案。这款 SSD1311 OLED 显示模块因其卓越的显示效果和出色的耐用性,适用于多种应用场合。
模块的外观尺寸为 84.5 x 27.5 mm,厚度为 2.17 mm,有效区域尺寸为 70.42 x 20.82 mm,对角线尺寸为 2.89 吋。内建 SSD1311 驱动 IC,WEO002004C 支持整合的字符集,包括 ASCII、英文、欧文和日文字符。每个字符由 5x8 像素组成,确保文字显示清晰细致。
此模块的显示模式为 4 行,每行可显示 20 个字符。由于 OLED 技术的自发光特性,该模块不需要背光,这使得设计更轻薄,对比度提升至 10,000:1。此外,模块拥有高达 175 度的超广视角,确保从不同角度观看时显示效果一致。模块还具有低功耗和广泛的工作温度范围,显示其多样性。
WEO002004C 的工作温度范围为 -40°C 至 +80°C,储存温度范围为 -40°C 至 +85°C,可在极端条件下稳定运行。模块的逻辑电压范围为 2.4V 至 3.3V,典型值为 3V,并使用 1/32 duty 驱动方式。
此外,WEO002004C 支持多种接口选择,包括 6800/8080 8-bit 并列接口和 I2C/SPI 串行接口,提供灵活的连接选择以满足不同系统需求。该模块系列还提供了各种软性印刷电路板(FPC)选择,以满足不同客户需求。
凭借其可靠的显示质量、广泛的工作温度范围和灵活的接口选择,WEO002004C OLED 显示模块搭配 SSD1311 驱动 IC 是传统 LCD 模块的实用替代品。我们建议考虑使用这款 20x4 字符 OLED 模块,以提升产品的显示性能,实现更高的显示质量和更低的能耗。
WEO002004C可选接口:6800 OLED显示模块,8080 OLED显示模块,SPI OLED显示模块,I2C OLED显示模块
Pin No. | 符号 | Pin 类型 | 说明 | ||||||||||||||||||||
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1 | NC | - | No connection | ||||||||||||||||||||
2 | VSL | P | This is segment voltage (output low level) reference pin. When external VSL is not used, this pin should be left open. When external VSL is used, connect with resistor and diode to ground (details depend on application). |
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3 | VSS | P | Ground pin. It must be connected to external ground. | ||||||||||||||||||||
4 | REGVDD | I | Internal VDD regulator selection pin in 5V I/O application mode. When this pin is pulled HIGH, internal VDD regulator is enabled (5V I/O application). When this pin is pulled LOW, internal VDD regulator is disabled (Low voltage I/O application). |
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5 | SHLC | I | This pin is used to determine the Common output scanning direction. COM scan direction
(1) 0 is connected to VSS (2) 1 is connected to VDDIO |
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6 | SHLS | I | This pin is used to change the mapping between the display data column address and the Segment driver. SEG scan direction
(1) 0 is connected to VSS (2) 1 is connected to VDDIO |
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7 | VDD | P | Power supply for core logic operation. VDD can be supplied externally or regulated internally. In LV IO application (internal VDD is disabled), this is a power input pin. In 5V IO application (internal VDD is enabled), VDD is regulated internally from VDDIO. A capacitor should be connected between VDD and VSS under all circumstances. |
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8 | VDDIO | P | Low voltage power supply and power supply for interface logic level in both Low Voltage I/O and 5V I/O application. It should match with the MCU interface voltage level and must be connected to external source. | ||||||||||||||||||||
9 | BS0 | I | MCU bus interface selection pins. Select appropriate logic setting as described in the following table. BS2, BS1 and BS0 are pin select. Bus Interface selection
(1) 0 is connected to VSS (2) 1 is connected to VDDIO |
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10 | BS1 | ||||||||||||||||||||||
11 | BS2 | ||||||||||||||||||||||
12 | GPIO | I/O | It is a GPIO pin. Details refer to OLED command DCh. | ||||||||||||||||||||
13 | CS# | I | 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). In I2C mode, this pin must be connected to VSS. |
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14 | RES# | I | 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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15 | D/C# | I | 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 serial interface is selected, this pin must be connected to VSS. |
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16 | R/W#(WR#) | I | 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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17 | E(RD#) | I | 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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18 | D0 | I/O | 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: SID and D2 will be the serial data output: SOD. 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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19 | D1 | ||||||||||||||||||||||
20 | D2 | ||||||||||||||||||||||
21 | D3 | ||||||||||||||||||||||
22 | D4 | ||||||||||||||||||||||
23 | D5 | ||||||||||||||||||||||
24 | D6 | ||||||||||||||||||||||
25 | D7 | ||||||||||||||||||||||
26 | IREF | I | This pin is the segment output current reference pin. IREF is supplied externally. A resistor should be connected between this pin and VSS to maintain current of around 15uA. |
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27 | ROM0 | I | These pins are used to select Character ROM; select appropriate logic setting as described in the following table. ROM1 and ROM0 are pin select as shown in below table: Character ROM selection
(1) 0 is connected to VSS (2) 1 is connected to VDDIO |
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28 | ROM1 | ||||||||||||||||||||||
29 | OPR0 | I | This pin is used to select the character number of character generator. Character RAM selection
Note (1) 0 is connected to VSS (2) 1 is connected to VDDIO |
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30 | OPR1 | ||||||||||||||||||||||
31 | VCOMH | P | 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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32 | VCC | P | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. It is supplied by external high voltage source. | ||||||||||||||||||||
33 | NC | - | No connection |
项目 | 尺寸 | 单位 |
---|---|---|
字符数 | 20字x4行 | - |
模块尺寸 | 84.5 x 27.5 x 2.17 | mm |
检视区域 | 72.42 x 22.82 | mm |
有效区域 | 70.42 x 20.82 | mm |
点大小 | 0.57 x 0.57 | mm |
点间距 | 0.60 x 0.60 | mm |
字大小 | 2.97 x 4.77 | mm |
字间距 | 3.55 x 5.35 | mm |
LCD类型 | OLED, 单色 | |
Duty | 1/32 | |
IC | SSD1311 | |
界面 | 6800,8080,SPI,I2C | |
尺寸 | 2.89 寸 |
项目 | 符号 | 最小值 | 最大值 | 单位 |
---|---|---|---|---|
逻辑电源电压 | VDD | -0.3 | VDDIO | V |
输入/输出针脚(Pin)电源 | VDDIO | -0.3 | 6 | V |
工作电压 | VCC | 0 | 16 | V |
工作温度 | TOP | -40 | +80 | °C |
储存温度 | TST | -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 | Low Voltage I/O | 2.4 | 3.0 | 3.3 | V |
5V I/O (VDD as output) |
- | - | - | V | ||
输入/输出针脚(Pin)电源 | VDDIO | Low Voltage I/O | 2.4 | 3.0 | 3.3 | V |
5V I/O | 4.4 | 5.0 | 5.3 | V | ||
工作电压 | VCC | - | 8.0 | 10.0 | 10.5 | V |
8.0 | 12.0 | 12.5 | V | |||
输入高电压 | VIH | - | 0.8xVDDIO | - | - | V |
输入低电压 | VIL | - | - | - | 0.2xVDDIO | V |
输出高电压 | VOH | IOH=-0.5mA | 0.9xVDDIO | - | - | V |
输出低电压 | VOL | IOL=0.5mA | - | - | 0.1xVDDIO | V |
50%显示画面耗电流 | ICC | VCC=10V | - | 19 | 29 | mA |
VCC=12V | - | 23 | 35 | mA |
图示 | FPC长度 | PIN | pitch | ZIF FPC or HOTBAR FPC | 接口 | FPC No. | Create Date |
---|---|---|---|---|---|---|---|
![]() |
35.2 | 31 | 0.7 | BOTBAR FPC | 6800,8080,SPI,I2C | FPC2070003111XXXXX00 | 20120921 |
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31 | 34 | 0.5 | ZIF FPC | 6800,8080,SPI,I2C | FPC2005003421XXXXX00 | 20151223 |
Search keyword: oled 20x4, 20x4 oled
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