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產品敘述
WEO012864AL 是一款2.42吋COG結構繪圖型OLED顯示器，解析度為128x64像素。此COG模組內建SH1106 IC；可透過I2C、4線SPI串列介面或6800、8080並行介面進行通信，其10,000:1的高對比度使顯示影像更加清晰。模組邏輯電源電壓為1.65V~3.3V(典型值為3V)，顯示電源電壓為6.4V~13.5V(典型值為13V)，驅動方式為1/64 duty。 WEO012864AL系列有PCB板、ZIF FPC、Hotbar FPC版本可選。
COG OLED顯示器模組因為非常的薄，重量輕巧且低耗電流，所以非常適合手持式產品、量測儀器、智慧電表、穿戴式產品、物聯網設備等應用。此模組工作溫度為-40℃至+ 80℃，儲存溫度為-40℃至+85℃。
規格圖
Data source ref:WEO012864ALWPP3N00000
產品規格
規格說明
| 項目 | 規格說明 | 單位 |
|---|---|---|
| 點陣(解析度) | 128 × 64 | － |
| 模組尺寸 | 60.5 × 37.0 × 2.01 | mm |
| 有效區域 | 55.01 × 27.49 | mm |
| 像素大小 | 0.40 × 0.40 | mm |
| 像素間距 | 0.43 × 0.43 | mm |
| 顯示模式 | Passive Matrix 被動矩陣 | |
| 顯示顏色 | 單色 | |
| 驅動方式 | 1/64 Duty | |
| IC | SH1106 | |
| 介面 | I2C,4線 SPI,8-bits 6800,8080 | |
| 尺寸 | 2.42 吋 | |
最大絕對額定值
| 參數 | 符號 | 最小值 | 最大值 | 單位 |
|---|---|---|---|---|
| 邏輯電源電壓 | VDD1 | -0.3 | 3.6 | V |
| 顯示電源電壓 | VPP | -0.3 | 14.5 | V |
| 工作溫度 | TOP | -40 | +80 | °C |
| 儲存溫度 | TSTG | -40 | +85 | °C |
電氣特性
| 項目 | 符號 | 條件 | 最小值 | 典型值 | 最大值 | 單位 |
|---|---|---|---|---|---|---|
| 邏輯電源電壓 | VDD1 | － | 1.65 | 3.0 | 3.3 | V |
| 顯示電源電壓 | VPP | － | 6.4 | 13.0 | 13.5 | V |
| 輸入高準位 | VIH | － | 0.8×VDD1 | － | VDD1 | V |
| 輸入低準位 | VIL | － | VSS | － | 0.2×VDD1 | V |
| 輸出高準位 | VOH | － | 0.8×VDD1 | － | VDD1 | V |
| 書出低準位 | VOL | － | VSS | － | 0.2×VDD1 | V |
| Display 50% Pixel on | IPP | VPP =13V | － | 22 | 33 | mA |
Pin功能定義
| No. | 符號 | 功能說明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ESD_GND | ESD Ground pin | |||||||||||||||
| 2 | VSS | Ground. | |||||||||||||||
| 3-10 | NC | No connection | |||||||||||||||
| 11 | VDD1 | Power supply input | |||||||||||||||
| 12 | IM1 | These are the MPU interface mode select pads.
(1) 0 is connected to VSS (2) 1 is connected to VDD1 |
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| 13 | IM2 | ||||||||||||||||
| 14 | NC | No connection | |||||||||||||||
| 15 | /CS | This pad is the chip select input. When /CS= “L”, then the chip select becomes active, and data/command I/O is enabled. | |||||||||||||||
| 16 | /RES | This is a reset signal input pad. When /RES is set to “L”, the settings are initialized. The reset operation is performed by the /RES signal level. | |||||||||||||||
| 17 | A0 | This is the Data/Command control pad that determines whether the data bits are data or a command. A0 = “H”: the inputs at D0 to D7 are treated as display data. A0 = “L”: the inputs at D0 to D7 are transferred to the command registers. In I2C interface, this pad serves as SA0 to distinguish the different address of OLED driver. |
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| 18 | /WR (R/W) |
This is a MPU interface input pad. When connected to an 8080 MPU, this is active LOW. This pad connects to the 8080 MPU/WR signal. The signals on the data bus are latched at the rising edge of the /WR signal. When connected to a 6800 Series MPU: This is the read/write control signal input terminal. When R/W= “H”: Read. When R/W= “L”: Write. |
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| 19 | E/RD | This is a MPU interface input pad. When connected to an 8080 series MPU, it is active LOW. This pad is connected to the /RD signal of the 8080 series MPU, and the data bus is in an output status when this signal is “L”. When connected to a 6800 series MPU, this is active HIGH. This is used as an enable clock input of the 6800 series MPU. When /RD = “H”: Enable. When /RD = “L”: Disable. |
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| 20~27 | D0~D7 | This is an 8-bit bi-directional data bus that connects to an 8-bit or 16-bit standard MPU data bus. When the serial interface is selected, then D0 serves as the serial clock input pad (SCL) and D1 serves as the serial data input pad (SI). At this time, D2 to D7 are set to high impedance. When the I2C interface is selected, then D0 serves as the serial clock input pad (SCL) and D1 serves as the serial data input pad (SDAI). At this time, D2 to D7 are set to high impedance. |
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| 28 | IREF | This is a segment current reference pad. A resistor should be connected between this pad and VSS. Set the current at 18.75uA. | |||||||||||||||
| 29 | VCOMH | This is a pad for the voltage output high level for common signals. A capacitor should be connected between this pad and VSS. |
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| 30 | VPP | OLED panel power supply. It could be supplied externally. A capacitor should be connected between this pad and VSS. |
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| 31 | ESD_GND | ESD Ground pin |