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產品敘述
華凌「超薄微小型OLED顯示器」WEO006448A是一款0.66吋小尺寸單色被動式OLED顯示器模組，解析度為64x48 點陣組成。WEO006448A模組尺寸為18.46×18.10×1.26 mm， AA區尺寸為13.42×10.06 mm。WEO006448A內建SSD1306 控制器, 模組支援多種傳輸介面包含6800 8-bite、8080 8-bit 並列介面, I2C、4線SPI串列介面，使用3V電壓驅動。此模組的工作溫度是-40℃至+80℃，儲存溫度-40℃至+80℃。此型號OLED模組可支援內部升壓及外部供電。
OLED優異高質感顯示效果，產品自發光無須背光源，重量輕且低耗電，適用穿戴裝置、智能產品、手持式量測儀器、醫療儀器和工業控制設備等，產品特色:
- 具輕薄、高解析、低耗能、長壽命特性：
EL自發光特性，產品超輕薄、高解析度、2000:1高對比度、廣視角>175度、響應速度快和2萬小時以上的額定壽命，滿足工業級或消費性電子產品規格的需求。 - COG模組結構設計：
採晶片玻璃接合(Chip on glass, COG)技術，具有重量輕薄和尺寸最佳化優勢。控制器IC選用1/48 duty，支援多種傳輸介面。 - 綠色低耗能符合環保規範：
WEO006448A是綠色低耗能的顯示器，用電量低，有效降低能源浪費和二氧化碳排放。產品符合RoHS與EU REACH:SVHC高關注物質限用認證。 - 以人性化與人因工程之考量設計：
產品以使用者體驗出發，0.66吋的OLED面板尺寸滿足小型穿戴裝置、智能手環、MP3、錄音筆、小型手持式量測儀器、個人健康守護追蹤裝置、兒童/年長者GPS定位裝置等電子設備螢幕需求，超薄厚度及輕量設計適合消費者使用，在尺寸、畫素及亮度皆考量使用者之安全及舒適度。
規格圖
Data source ref: WEO006448AWPP3N00000
產品規格
規格說明
| 項目 | 尺寸 | 單位 |
|---|---|---|
| 點陣 | 64 x 48 Dots | － |
| 模組尺寸 | 18.46 × 18.10 × 1.26 | mm |
| 有效區域 | 13.42 × 10.06 | mm |
| 像素大小 | 0.185 × 0.185 | mm |
| 像素間距 | 0.210 × 0.210 | mm |
| 顯示模式 | 被動矩陣(Passive Matrix) | |
| 顯示顏色 | 單色 | |
| 驅動方式 | 1/48 Duty | |
| IC | SSD1306 | |
| 介面 | 6800, 8080, 4-Wire SPI, I2C | |
| 對角線尺寸 | 0.66 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 | 4.0 | V |
| 顯示電源電壓 | VCC | 0 | 15.0 | V |
| 工作溫度 | TOP | -40 | +80 | °C |
| 儲存溫度 | TSTG | -40 | +85 | °C |
電氣特性
DC 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 | VDD | － | 1.65 | 3.0 | 3.3 | V |
| 顯示器供電電壓（外部供應） | VCC | － | 6.0 | 7.5 | 8.0 | V |
| 電荷幫浦穩壓器電源電壓 | VBAT | － | 3.0 | － | 4.2 | V |
| 顯示器的電荷幫浦輸出電壓（由內部DC/DC生成） | Charge Pump VCC |
－ | 7.0 | 7.5 | － | V |
| 輸入高電壓 | VIH | － | 0.8×VDD | － | VDD | V |
| 輸入低電壓 | VIL | － | 0 | － | 0.2×VDD | V |
| 輸出高電壓 | VOH | － | 0.9×VDD | － | VDD | V |
| 輸出低電壓 | VOL | － | 0 | － | 0.1×VDD | V |
| 顯示器 50% 像素開啟(VCC 由外部供應) | ICC | VCC=7.5V | － | 6 | 13 | mA |
| 顯示器 50% 像素開啟(VCC 由內部 DC/DC 生成) | IBAT | － | － | 15 | 23 | mA |
Pin功能定義
| No. | 符號 | 功能說明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ESD-GND | It should be connected to ground. | |||||||||||||||
| 2 | C2N | C1P/C1N – Pin for charge pump capacitor; Connect to each other with a capacitor. C2P/C2N – Pin for charge pump capacitor; Connect to each other with a capacitor. |
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| 3 | C2P | ||||||||||||||||
| 4 | C1P | ||||||||||||||||
| 5 | C1N | ||||||||||||||||
| 6 | VBAT | This is the power supply pin for the internal buffer of the DC/DC voltage converter. It must be connected to external source when the converter is used. It should be connected to VDD or kept float when the converter is not used. | |||||||||||||||
| 7 | VSS | This is a ground pin. | |||||||||||||||
| 8 | VDD | Power supply pin for core logic operation. | |||||||||||||||
| 9 | BS1 | These pins are MCU interface selection input. See the following table:
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| 10 | BS2 | ||||||||||||||||
| 11 | CS# | This pin is the chip select input. (active LOW). | |||||||||||||||
| 12 | RES# | This pin is reset signal input. When the pin is low, initialization of the chip is executed. Keep this pin HIGH (i.e. connect to VDD) during normal operation. | |||||||||||||||
| 13 | D/C# | This is Data/Command control pin. When it is pulled HIGH (i.e. connect to VDD), the data at D[7:0] is treated as data. When it is pulled LOW, the data at D[7:0] will be transferred to the command register. In I2C mode, this pin acts as SA0 for slave address selection. |
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| 14 | R/W# | This is read / write control input pin connecting to the MCU interface. When interfacing to a 6800-series microprocessor, this pin will be used as Read/Write (R/W#) selection input. Read mode will be carried out when this pin is pulled HIGH (i.e. connect to VDD) 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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| 15 | E/RD# | When interfacing to a 6800-series microprocessor, this pin will be used as the Enable (E) signal. Read/write operation is initiated when this pin is pulled HIGH (i.e. connect to VDD) and the chip is selected. When connecting to an 8080-series microprocessor, 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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| 16~23 | D0~D7 | These are 8-bit bi-directional data bus to be connected to the microprocessor’s data bus. When serial interface mode is selected, D0 will be the serial clock input: SCLK; D1 will be the serial data input: SDIN. 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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| 24 | IREF | This is segment output current reference pin. When external IREF is used, a resistor should be connected between this pin and VSS to maintain the IREF current at a maximum of 30uA.When internal IREF is used, this pin should be kept NC. |
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| 25 | VCOMH | The pin for COM signal deselected voltage level. A capacitor should be connected between this pin and VSS. | |||||||||||||||
| 26 | VCC | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. When charge pump is enabled, a capacitor should be connected between this pin and VSS. |
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| 27 | VLSS | This is an analog ground pin. It should be connected to VSS externally. | |||||||||||||||
| 28 | ESD GND | It should be connected to ground. |