製品情報
WEF012864Uは、鉄製フレームと128x64ピクセルのパネル解像度を持つCOGグラフィック2.7インチ単色パッシブPMOLEDディスプレイモジュールです そして高いコントラスト(10,000:1)、4ビットグレースケールをサポートしています。WEF012864Uには、組み込みSSD1357コントローラICを搭載し、8ビット6800、8080パラレルインターフェイス、4線SPI、I2Cシリアルインターフェイスをサポートしています。3Vドライバを使用します。
同じ OLED パネルは以下のように参照できます:
WEF012864KはCOG構造のOLEDディスプレイモジュールです。有機自己発光であり、バックライトは不要です。このモジュールは薄くて軽量で、電流消費も少ないです。WEF012864K モジュールは、携帯製品、測定器、家庭用品、POS システム、IoT、通信機器、医療機器などに非常に適しています。このモジュールの動作温度は -40℃ から +80℃、保存温度は -40℃ から +85℃ です。
同じ OLED パネルは以下のように参照できます:
- WEO012864U シリーズはフレームレスデザインを特徴としています。
- WEP012864U シリーズは、追加の PCB 開発を必要とせず、インターフェース設定と VCC 回路を統合してユーザーエクスペリエンスを簡素化する鉄製フレーム + PCB ボードを採用しています。
- 鉄製フレームと PCB ボードに加えて、WEP012864U-CTP シリーズは CTP タッチ機能を追加しています。
WEF012864KはCOG構造のOLEDディスプレイモジュールです。有機自己発光であり、バックライトは不要です。このモジュールは薄くて軽量で、電流消費も少ないです。WEF012864K モジュールは、携帯製品、測定器、家庭用品、POS システム、IoT、通信機器、医療機器などに非常に適しています。このモジュールの動作温度は -40℃ から +80℃、保存温度は -40℃ から +85℃ です。
外形図
Data source ref:WEF012864ULPP3N00000
製品仕様
ピン功能定義
| Pin No. | 記号 | 功能説明 | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NC(GND) | No connection | |||||||||||||||
| 2 | VSS | Ground of Logic Circuit. This is a ground pin. It also acts as a reference for the logic pins. It must be connected to external ground. |
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| 3 | VCC | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. | |||||||||||||||
| 4 | VCOMH | Voltage Output High Level for COM Signal. This pin is the input pin for the voltage output high level for COM signals. A tantalum capacitor should be connected between this pin and VSS. |
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| 5 | VLSS | Ground of Analog Circuit These are the analog ground pins. They should be connected to VSS externally. |
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| 6~13 | D7~D0 | 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. |
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| 14 | 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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| 15 | 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. |
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| 16 17 |
BS1 BS2 |
Communicating Protocol Select. These pins are MCU interface selection input. See the following table:
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| 18 | 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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| 19 | CS# | Chip SelectThis pin is the chip select input. The chip is enabled for MCU communication onlywhen CS# is pulled low. |
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| 20 | 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. |
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| 21 | FR | Frame Frequency Triggering Signal This pin will send out a signal that could be used to identify the driver status. Nothing should be connected to this pin. It should be left open individually. |
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| 22 | IREF | This pin is the segment output current reference pin. IREF is supplied externally. |
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| 23 | N.C | Reserved Pin The N.C. pin between function pins is reserved for compatible and flexible design. |
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| 24 | VDD | Power Supply for I/O Pin. This pin is a power supply pin of I/O buffer. It should be connected to VCI or external source. All I/O signal should have VIH reference to VDDIO. When I/O signal pins (BS0~BS1, D0~D7, control signals…) pull high, they should be connected to VDDIO. |
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| 25 | VP | Power Supply for Core Logic Circuit This is a voltage supply pin. It can be supplied externally (within the range of 2.4~2.6V) or regulated internally from VCI. A capacitor should be connected between this pin & VSS under all circumstances. |
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| 26 | VDD | Power Supply for Operation. This is a voltage supply pin. It must be connected to external source & always be equal to or higher than VDD & VDDIO. |
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| 27 | VSL | Voltage Output Low Level for SEG Signal This is segment voltage (output low level) reference pin. This pin has to connect with resistor and diode to ground (details depends on application). |
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| 28 | VLSS | Ground of Analog Circuit These are the analog ground pins. They should be connected to VSS externally. |
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| 29 | VLSS | Power Supply for OEL Panel These are the most positive voltage supply pin of the chip. They must be connected to external source. |
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| 30 | NC(GND) | No connection |
規格説明
| 項目 | 仕様 | Unit |
|---|---|---|
| ドットマトリックス(解像度) | 128 × 64 | dots |
| モジュールサイズ | 89.72 × 47.2 ×3.4 | mm |
| 有効エリア | 61.4 × 30.69 | mm |
| ピクセルサイズ | 0.45 × 0.45 | mm |
| ピクセルピッチ | 0.48 × 0.48 | mm |
| 表示モード | パッシブマトリクス | |
| 発光色 | 有機EL白色 | |
| 駆動方法 | 1/64 Duty | |
| グレースケール | 4 bits | |
| IC | SSD1357 | |
| インターフェイス | 8-bits 6800 and 8080 parallel, 4-line SPI, I2C | |
| サイズ (対角線) | 2.7 インチ | |
絶対最大定格
| パラメーター | 記号 | 最小値 | 最大値 | 単位 |
|---|---|---|---|---|
| ロジック電源電圧 | VDD | -0.3 | 4 | V |
| Display電源電圧 | VCC | 0 | 15 | V |
| 操作温度 | TOP | -40 | +80 | °C |
| 保存温度 | TSTG | -40 | +85 | °C |
電気特性
DC 電気特性
| 項目 | 記号 | 条件 | 最小値 | 典型値 | 最大値 | 単位 |
|---|---|---|---|---|---|---|
| ロジック電源電圧 | VDD | － | 1.65 | 3.0 | 3.3 | V |
| Display電源電圧 | VCC | － | 8.0 | 9.0 | 9.5 | V |
| 高レベル入力 | VIH | － | 0.8×VDD | － | VDD | V |
| 低レベル入力 | VIL | － | 0 | － | 0.2×VDD | V |
| 高レベル出力 | VOH | － | 0.9×VDD | － | VDD | V |
| 低レベル出力 | VOL | － | 0 | － | 0.1×VDD | V |
| Display 50% Pixel on | ICC | VCC =9V | － | 31.5 | 47.5 | mA |
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