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產品敘述
WEO012832P是一款對角線為1.71吋COG圖形OLED顯示器模組，顯示畫面由128x32像素組成。此模組電源電壓典型值為 3V (VDD)，內建採用CH1115 IC，可支援I2C、SPI介面，驅動方式1/32 duty；50%棋盤格顯示電流為20mA @ VCC 12V (白色)。
WEO012832P 這款模組型號是WEO012832G模組的IC替代解決方案，機構尺寸及FPC出PIN定義兩款均相同。此款模組是COG結構OLED顯示屏，超薄、無需背光源，模組重量輕，功耗低，節能減碳。
適用於智能家電產品、攜帶型裝置、智慧醫療產品、量測儀器等產品；模組的工作溫度是-40℃至+80℃，儲存溫度-40℃至+85℃。
規格圖
Data source ref: WEO012832PWAP3N00000
產品規格
規格說明
| 項目 | 尺寸 | 單位 |
|---|---|---|
| 解析度 | 128 × 32 | Dots |
| 模組尺寸 | 50.50 × 15.75 × 2.01 | mm |
| 檢視區域 | 42.22 × 10.54 | mm |
| 點大小 | 0.308 × 0.308 | mm |
| 點間距 | 0.33 × 0.33 | mm |
| 顯示模式 | 被動矩陣 | |
| 發光顏色 | 單色 | |
| 驅動方式 | 1/32 Duty | |
| IC | CH1115 | |
| 介面 | SPI,I2C | |
| 尺寸 | 1.71 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 | VDD | -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 | 標準值 | 最大值 | 單位 |
|---|---|---|---|---|---|---|
| 邏輯電源電壓 | VDD | － | 1.65 | 3.0 | 3.3 | V |
| 顯示電源電壓 | VPP | － | 6.4 | 12.0 | 12.5 | V |
| 輸入高準位 | VIH | － | 0.8×VDD | － | VDD | V |
| 輸入低準位 | VIL | － | VSS | － | 0.2×VDD | V |
| 輸出高準位 | VOH | － | 0.8×VDD | － | VDD | V |
| 輸出低準位 | VOL | － | VSS | － | 0.2×VDD | V |
| Display 50% Pixel on | IPP | VPP=12V | － | 5 | 10 | mA |
Pin功能定義
| No. | 符號 | 功能說明 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ESD_GND | ESD Ground pin | ||||||||||||
| 2 | VPP | OLED panel power supply. | ||||||||||||
| 3 | VSS | This is a ground pin. | ||||||||||||
| 4 | VSS | This is a ground pin. | ||||||||||||
| 5 | VDD | Power Supply for Logic | ||||||||||||
| 6 | __ CS |
This pad is the chip select input. When /CS = “L”, then the chip select becomes active, and data/command I/O is enabled. | ||||||||||||
| 7 | ___ 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. | ||||||||||||
| 8 | A0 | This is the Data/Command control pad 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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| 9 | SCL | The serial clock input pad | ||||||||||||
| 10 | SI/SDA | The serial data input pad | ||||||||||||
| 11 | NC | Dummy Pin | ||||||||||||
| 12 | IREF | This is a segment current reference pad. A resistor should be connected between this pad and VSS. Set the current at 18.75μA. | ||||||||||||
| 13 | VCOMH | The pin is for COM signal deselected voltage level. A capacitor should be connected between this pin and VSS. |
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| 14 | VPP | OLED panel power supply. | ||||||||||||
| 15 | IM0 | These are the MPU interface mode select pads.
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| 16 | IM1 | |||||||||||||
| 17 | VSS | This is a ground pin. | ||||||||||||
| 18 | ESD_GND | ESD Ground pin |