Home Products OLED Display Graphic OLED Display WEP012864Q

2.7-inch 128x64 COG OLED Display with PCB and Frame

Model No. WEP012864Q

►Type: Graphic
►Structure: COG + Frame + PCB
►Size: 2.7 inch
►128 x 64 Dot Matrix
►IC:SSD1309
►3V Power supply
►1/64 duty
►Interface: 6800, 8080, SPI, I2C
►Display Color: White / Yellow / Sky Blue / Green

Description

The WEP012864Q series is a 2.7-inch monochrome graphic COG OLED display with a resolution of 128x64 pixels. It incorporates the SSD1309 controller IC and supports communication via 6800 8-bit and 8080 8-bit parallel, I2C, and 4-wire SPI serial interfaces, utilizing a 3V driver. The module dimensions of the WEP012864Q are 82.0 × 47.5 mm, with an active area measuring 61.41 × 30.69 mm. This series shares the same OLED panel as the WEO012864Q and WEF012864Q.

The WEO012864Q is characterized by a frameless design and does not include a PCB.

The WEF012864Q features a frame with four screw holes for added structural stability.

The WEP012864Q distinguishes itself by having both a frame and a PCB, with four screw holes incorporated into the PCB for ease of installation.

These three variants cater to different application requirements, providing options for diverse design considerations and installation preferences.

If there's a need for CTP Touch functionality, please consider the WEP012864Q-CTP model within this series.

The WEP012864Q series is a COG structure OLED display; this OLED module is lightweight, low power, very thin, and features a high contrast ratio of 10,000:1. It is suitable for wall/meter devices, home applications, POS systems, Cloud/IoT systems, intelligent technology devices, energy systems, communication systems, medical instruments, etc.

The WEF012864Q OLED module can operate at temperatures ranging from -40℃ to +80℃, and its storage temperatures range from -40℃ to +80℃.

DRAWING

2.7-inch 128x64 COG OLED Display with PCB and Frame - WEP012864Q

Data source ref: WEP012864QLPP3N00000

SPECIFICATIONS

Mechanical Data

Item Dimension Unit
Dot Matrix 128 × 64
Module dimension 82.0 × 47.5 × 7 Max. mm
Active Area 61.41 × 30.69 mm
Pixel Size 0.45 × 0.45 mm
Pixel Pitch 0.48 × 0.48 mm
Display Mode Passive Matrix
Display Color Monochrome
Drive Duty 1/64 Duty
IC SSD1309
Interface 6800,8080,4-Wire SPI,I2C
Size 2.7 inch

Absolute Maximum Ratings

Parameter Symbol Min Max Unit
Supply Voltage for Logic VDD -0.3 4.0 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 VDD 2.8 3.0 3.3 V
High Level Input VIH 0.8×VDD V
Low Level Input VIL 0.2×VDD V
High Level Output VOH 0.9×VDD V
Low Level Output VOL 0.1×VDD V
50% Check Board operating Current VCC =3V  - 100 200 mA

Interface Pin Function

No. Symbol Function
1 VSS Ground.
2 VDD Power supply pin for core logic operation
3 NC No connection
4 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.
5 R/W#
(WR#)
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.
6 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.
7-14 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.
15 NC No connection
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 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).
18 NC No connection
19 BS2 MCU bus interface selection pins. Select appropriate logic setting as described in the following table. BS2 and BS1 are pin select
  BS1 BS2
I2C 1 0
4-wire Serial 0 0
8-bit 68XX Parallel 0 1
8-bit 80XX Parallel 1 1
Note
(1) 0 is connected to VSS
(2) 1 is connected to VDD
20 BS1
21 NC No connection
22 NC No connection
23 NC No connection
24 NC No connection
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