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產品敘述
WEO012864AB是雙色OLED顯示模組，模組為0.96吋繪圖型COG結構OLED顯示器，由128x64點陣組成顯示畫面，標準發光色為黃色和天空藍。此型號內建SSD1315 IC，支援I2C，3/4線SPI，以及8-bit 6800/8080並列介面，驅動方式1/64 duty。WEO012864AB型號是WEO012864M型號IC替代方案；WEO012864AB的面板邊框比WEO012864M窄，但電氣特性和PFC引腳定義相同。客戶只需調整初始代碼。此型號OLED模組可支援內部升壓及外部供電。
此雙色OLED模組適何運用在醫療設備，尤其是血氧機等。WEO012864AB模組可在-30℃~+70℃溫度下工作；儲存溫度範圍為-30℃~+70℃。
規格圖
Data source of: WEO012864ABXPP3N0Y000
產品規格
Pin功能定義
| No. | 符號 | 功能說明 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | N.C. (GND) | The supporting pins can reduce the influences from stresses on the function pins. These pins must be connected to external ground. | ||||||||||||||||||||||||
| 2 | C2P | 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 | C2N | |||||||||||||||||||||||||
| 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 when the converter is not used. | ||||||||||||||||||||||||
| 7 | NC | NC | ||||||||||||||||||||||||
| 8 | VSS | This is a ground pin. | ||||||||||||||||||||||||
| 9 | VDD | Power supply pin for core logic operation. | ||||||||||||||||||||||||
| 10 | BS0 | These pins are MCU interface selection input. See the following table:
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| 11 | BS1 | |||||||||||||||||||||||||
| 12 | BS2 | |||||||||||||||||||||||||
| 13 | 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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| 14 | 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. | ||||||||||||||||||||||||
| 15 | 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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| 16 | 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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| 17 | E/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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| 18~25 | D0~D7 | 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, D2 should be either tied LOW or tied together with D1 as the serial data input: SDIN, and D0 will be the serial clock input: SCLK. 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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| 26 | IREF | 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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| 27 | VCOMH | COM signal deselected voltage level. A capacitor should be connected between this pin and VSS. |
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| 28 | 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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| 29 | VLSS | This is an analog ground pin. It should be connected to VSS externally. | ||||||||||||||||||||||||
| 30 | NC (GND) |
The supporting pins can reduce the influences from stresses on the function pins. These pins must be connected to external ground. |
規格說明
| 項目 | 尺寸 | 單位 |
|---|---|---|
| 點陣 | 128 × 64 Dots | － |
| 模組尺寸 | 24.7 × 16.59 × 1.26 | mm |
| 有效區域 | 21.74 × 11.20 | mm |
| 點間距 | 0.15 × 0.15 | mm |
| 點大小 | 0.17 × 0.17 | mm |
| 顯示模式 | 被動矩陣 | |
| 發光顏色 | 雙色 (黃色 / 天空藍) | |
| 驅動方式 | 1/64 Duty | |
| IC | SSD1315 | |
| 介面 | 6800,8080,SPI,I2C | |
| 尺寸 | 0.96 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 | V |
| 電荷幫浦穩壓器電源電壓 | VBAT | -0.3 | 6.0 | V |
| 顯示電源電壓 | VCC | 0 | 18.0 | V |
| 工作溫度 | TOP | -30 | +70 | °C |
| 儲存溫度 | TSTG | -30 | +70 | °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 |
| 顯示電源電壓 (Supplied Externally) |
VCC | － | 7.5 | 8.0 | 8.5 | V |
| 電荷幫浦穩壓器電源電壓 | VBAT | － | 3.0 | 3.5 | 4.2 | V |
| 顯示器的電荷幫浦輸出電壓 (Generated by Internal DC/DC) | 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 |
| VCC的工作電流 (Display 50% Pixel on) (VCC Supplied Externally) |
ICC | VCC =8V | － | 5.0 | 7.5 | mA |
| 50%顯示畫面耗電流 (VCC Generated by Internal DC/DC) | IBAT | VBAT=3.5V | － | 15 | 22.5 | mA |
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