Model No. WEO012864AD
►Type: Graphic
►Structure: COG
►Size: 0.96"
►IC：ST7315
►3V power supply
►1/64 duty
►Interface: 6800, 8080, SPI, I2C
►Display Color: White / Yellow
WEO012864AD is a 0.96-inch COG structure OLED 128x64 I2C graphic display, offering clear visuals with a resolution of 128x64 pixels. This 0.96" OLED screen is powered by the ST7315 IC and supports communication via I2C, 6800 or 8080 parallel, and 3/4-line SPI interfaces. The display operates with a typical supply voltage of 12V, a 1/64 driving duty, and a logic supply voltage of 3.0V (typical). At 50% checkerboard display (white color), the current consumption is 6mA @ 3.0VCC. The WEO012864AD serves as an IC alternative to the WEO012864D, with identical electrical characteristics and PFC pin definitions, requiring only slight adjustments to the initial code for compatibility. WINSTAR's 0.96" OLED display modules come in a variety of options, such as WEO012864C with the SH1106 IC, WEO012864AC with the SSD1315 IC, and this WEO012864AD with the ST7315 IC, offering customers flexibility in choosing the right solution for their applications.
This 128x64 OLED I2C module is ideal for use in smart home devices, financial-POS systems, Cloud/IoT applications, intelligent technology devices, energy systems, communication systems, medical instruments, and more. It operates across a wide temperature range of -40℃ to +80℃ and has a storage temperature range of -40℃ to +85℃, making it suitable for a variety of environments.
| Item | Dimension | Unit |
|---|---|---|
| Dot Matrix | 128 x 64 Dots | － |
| Module dimension | 26.70 x 19.26 x 1.26 | mm |
| Active Area | 21.74 x 10.86 | mm |
| Pixel Size | 0.15 x 0.15 | mm |
| Pixel Pitch | 0.17 x 0.17 | mm |
| Display Mode | Passive Matrix | |
| Display Color | Monochrome | |
| Drive Duty | 1/64 Duty | |
| IC | ST7315 | |
| Interface | 6800,8080,SPI,I2C | |
| Size | 0.96 inch | |
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage for Logic | VDD | -0.3 | 5.5 | V |
| Supply Voltage for Display | VOLED | 0 | 18.0 | V |
| Operating Temperature | TOP | -40 | +80 | °C |
| Storage Temperature | TSTG | -40 | +85 | °C |
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage for Logic | VDD | － | 2.4 | 3.0 | 5.0 | V |
| Supply Voltage for Display (Supplied Externally) |
VOLED | － | 7.5 | 12.0 | 16.5 | V |
| Charge Pump Regulator Supply Voltage |
VBAT | － | 3.0 | 3.5 | 5.0 | V |
| Charge Pump Output Voltage for Display (Generated by Internal DC/DC) | Charge Pump VOLED |
－ | 7.0 | 7.5 | － | V |
| Input High Volt. | VIH | － | 0.8×VDD | － | － | V |
| Input Low Volt. | VIL | － | － | － | 0.2×VDD | V |
| Output High Volt. | VOH | － | 0.9×VDD | － | － | V |
| Output Low Volt. | VOL | － | － | － | 0.1×VDD | V |
| Display 50% Pixel on Operating Current for VOLED (VOLED Supplied Externally) |
IOLED | VOLED=12V | － | 6 | 12 | mA |
| Display 50% Pixel on (VOLED Generated by Internal DC/DC) |
IBAT | VBAT=3.5V | － | 15 | 30 | mA |
| No. | Symbol | Function | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | C2N | DC/DC voltage converter. Connect a capacitor between CA1P and CA1N. Connect a capacitor between CA2P and CA2N. |
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| 3 | C2P | |||||||||||||||||||||||||
| 4 | C1P | |||||||||||||||||||||||||
| 5 | C1N | |||||||||||||||||||||||||
| 6 | VBAT | Analog power for internal booster. If VDD=VABT | ||||||||||||||||||||||||
| 7 | NC | NC | ||||||||||||||||||||||||
| 8 | DGND | Digital ground. Connect to GND | ||||||||||||||||||||||||
| 9 | VDD | Power supply pin for core logic operation. | ||||||||||||||||||||||||
| 10 | IF0 | These pins select interface operation mode.
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| 11 | IF1 | |||||||||||||||||||||||||
| 12 | IF2 | |||||||||||||||||||||||||
| 13 | CSB | Chip select input pin. CSB=“L”: This chip is selected and the MPU interface is active. CSB=“H”: This chip is not selected and the MPU interface is disabled (D[7:0] are high impedance). |
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| 14 | RSTB | 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 | A0 | It determines whether the access is related to data or command. A0 = "H": Indicates that D[7:0] are display data; A0 = "L": Indicates that D[7:0] are control data. This pin is I2C slave address bit (SA0), when I2C interface is selected. |
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| 16 | RWR | Read / Write execution control pin. (This pin is only used in parallel interface)
This pin is not used in serial interfaces and should be connected to DGND. |
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| 17 | ERD | Read / Write execution control pin. (This pin is only used in parallel interface)
This pin is not used in serial interfaces and should be connected to DGND. |
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| 18~25 | D0~D7 | When using 8-bit parallel interface: 8080 or 6800 mode 8 bit bi-directional data bus. Connect to the data bus of 8-bit microprocessor. When CSB is “H”, D[7:0] are high impedance. When using serial interface : 3-line SPI or 4-line SPI mode D[2:1] : serial input/output data (SDA). D[0] : serial input clock (SCL). D1 to D2 must be connected together (SDA) D[7:3] : fix to “L” by DGND. When using serial interface : I2C interface D[2] : SDA_OUT, serial data and acknowledge output for the I2C interface. D[1] : SDA_IN, serial input data D[0] : SCL, serial input clock . D1 to D2 must be connected together (SDA) D[7:3] : fix to “L” by DGND. |
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| 26 | IREF | Internal IREF is used, please leave this pin open. | ||||||||||||||||||||||||
| 27 | VCOMH | VCOMH is the driving voltage for common and segment circuits. | ||||||||||||||||||||||||
| 28 | VOLED | VOLED is the diving voltage for segment circuit. | ||||||||||||||||||||||||
| 29 | PGND | Analog ground. Connect to GND | ||||||||||||||||||||||||
| 30 | NC (GND) |
The supporting pins can reduce the influences from stresses on the function pins. These pins must be connected to external ground. |
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