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產品敘述
WEF012864G是一款2.42吋繪圖型COG單色被動顯示模組(PMOLED)加上鐵框，面板解析度為128x64像素且具高對比度(10,000:1)。 WEF012864G內建SSD1309控制器IC，支援多種傳輸介面，包括6800、8080、4-Wire SPI和I2C。 它使用 1/64 duty 驅動方式和3V電壓驅動。 該系列採用與現有WEO012864G相同尺寸的OLED面板：
WEO012864G 系列採用無鐵框設計。
WEO012864G-CTP 系列採用無鐵框+電容觸控螢幕(CTP)。
WEF012864G是一款COG結構的OLED顯示模組。 它是有機的、自發光的，不需要背光。 此模組薄、輕、功耗低。 WEF012864G模組非常適合手持產品、測量儀器和家用產品，可應用在物聯網、通訊設備和醫療儀器等。此模組的工作溫度為-40℃至+80℃，儲存溫度為-40℃至+85℃。
規格圖
Data source ref:WEF012864GLAP3N00000
產品規格
規格說明
| 項目 | 規格 | 單位 |
|---|---|---|
| 點陣(解析度) | 128 x 64 | dots |
| 模組尺寸 | 77.2 × 42.14 × 3.4 | 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 | 被動矩陣 | |
| 發光顏色 | 單色 | |
| 驅動方式 | 1/64 Duty | |
| IC | SSD1309 | |
| 介面 | 6800,8080,4-Wire SPI,I2C | |
| 尺寸(對角線) | 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 | VDD | -0.3 | 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 |
| 顯示電源電壓 | VCC | － | 12.5 | 13 | 13.5 | V |
| 輸入高準位 | VIH | － | 0.8×VDD | － | － | V |
| 輸入低準位 | VIL | － | － | － | 0.2×VDD | V |
| 輸出高準位 | VOH | － | 0.9×VDD | － | － | V |
| 輸出低準位 | VOL | － | － | － | 0.1×VDD | V |
| 50%顯示畫面耗電流 | VCC =13.0V | － | 18 | 27 | mA | |
Pin功能定義
| Pin No. | 符號 | 功能說明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NC(GND) | No connection | |||||||||||||||
| 2 | VSS | Ground. | |||||||||||||||
| 3-10 | NC | No connection | |||||||||||||||
| 11 | VDD | Power supply pin for core logic operation | |||||||||||||||
| 12 | BS1 | MCU bus interface selection pins. Select appropriate logic setting as described in the following table. BS2 and BS1 are pin select
(1) 0 is connected to VSS (2) 1 is connected to VDD |
|||||||||||||||
| 13 | BS2 | ||||||||||||||||
| 14 | NC | No connection | |||||||||||||||
| 15 | 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). | |||||||||||||||
| 16 | RES# | 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. | |||||||||||||||
| 17 | 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. | |||||||||||||||
| 18 | R/W# | 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. | |||||||||||||||
| 19 | 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. | |||||||||||||||
| 20~27 | 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, D0 will be the serial clock input: SCLK; D1 will be the serial data input: SDIN and D2 should be kept NC. 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. | |||||||||||||||
| 28 | IREF | This pin is the segment output current reference pin. IREF is supplied externally. | |||||||||||||||
| 29 | VCOMH | COM signal deselected voltage level. A capacitor should be connected between this pin and VSS. | |||||||||||||||
| 30 | VCC | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. | |||||||||||||||
| 31 | NC(GND) | No connection |