1.5 inch OLED Display Module 128x128
Model No. WEA128128A
►Type: Graphic
►Structure: COG+PCB
►Size: 1.5"
►128 x 128 Dot Matrix
►Built-in controller SSD1327
►3.3V/5V Power supply
►1/128 duty
►Interface: SPI,I2C
►Display Color: White / Yellow / Sky Blue
►Support Grayscale
DRAWING
Data source ref: WEA128128AWAP3N00000
SPECIFICATIONS
Interface Pin Function
| No. | Symbol | Function |
|---|---|---|
| 1 | GND | This is a ground pin. |
| 2 | VCC | Power supply for panel driving voltage. This is also the most positive power voltage supply pin. It is supplied by external high voltage source. |
| 3 | 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. |
| 4 | D1 | |
| 5 | 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. |
| 6 | 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. |
| 7 | 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). |
General Specification
| Item | Dimension | Unit |
|---|---|---|
| Dot Matrix | 128 x 128 Dots | － |
| Module dimension | 34.2 x 45.5 x 3.16 | mm |
| Active Area | 26.86 x 26.86 | mm |
| Pixel Size | 0.185 x 0.185 | mm |
| Pixel Pitch | 0.210 x 0.210 | mm |
| Display Mode | Passive Matrix | |
| Display Color | Monochrome | |
| Drive Duty | 1/128 Duty | |
| Gray Scale | 4 bits | |
| IC | SSD1327 | |
| Interface | 4-Wire SPI | |
| Size | 1.5 inch | |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage for Logic | VCC | 1.65 | 5.5 | V |
| Operating Temperature | TOP | -40 | +80 | °C |
| Storage Temperature | TSTG | -40 | +85 | °C |
Electronical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage for Logic(3V/5V) | VCC | － | 2.8 | 3.3 | 5.2 | V |
| Input High Volt. | VIH | － | 0.8×VCC | － | VCC | V |
| Input Low Volt. | VIL | － | 0 | － | 0.2×VCC | V |
| Output High Volt. | VOH | － | 0.9×VCC | － | VCC | V |
| Output Low Volt. | VOL | － | 0 | － | 0.1×VCC | V |
| 50% Check Board operating Current | ICC | VCC=3.3V | － | 160 | 320 | mA |
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