1.33-inch Green Yellow OLED Display, OLED Yellow, OLED Green, 128x64 Resolution - WEO012864ANX

1.33-inch Dual-Color OLED Display (Yellow + Green) - 128x64 Resolution

Model No. WEO012864ANX

►Type: Graphic
►Structure: COG
►Size: 1.33 inch OLED Display
►128x64 Dot Matrix
►IC：SSD1309
►3V Power supply
►1/64 duty
►Interface: 6800, 8080, SPI, I2C
►Display Color: Yellow & Green (Dual Color)

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Description

The WEO012864ANX is a 1.33-inch OLED display module with a 128x64 pixel resolution and dual-color (Yellow + Green) OLED display. This yellow OLED and green OLED display is designed for high-contrast, power-efficient applications, making it ideal for medical devices, industrial control systems, and wearable devices. Equipped with the SSD1309 IC controller, it supports flexible interface options including 6800, 8080, SPI, and I2C, ensuring easy system integration.

Key Features:

1.33-inch size: Compact yet high-resolution OLED display
Dual-color display (Yellow + Green): Ideal for clear visual differentiation using OLED yellow and green
Low power: Operates with a 3V supply, optimizing power consumption for extended battery life
Long lifespan: 20,000 hours minimum, ensuring long-term reliability in various applications
Flexible interfaces: Supports 6800, 8080, SPI, and I2C, facilitating easy integration into diverse systems

Electrical Characteristics:

Logic supply voltage: 1.65V to 3.5V
Display supply voltage: 7V to 12.5V
Display current (50% pixel on): 8.0mA (typ), 12.0mA (max)

Applications:

Medical devices: Provides high-contrast yellow and green OLED display for diagnostics and monitoring equipment
Industrial control: Reliable yellow and green OLED display for machinery and control panels
Wearable devices: Low-power design ideal for health-monitoring applications with long-lasting yellow and green OLED display

DRAWING

Data source ref: WEO012864ANXAP3N00000

SPECIFICATIONS

Mechanical Data

Item	Dimension	Unit
Dot Matrix	128 × 64 Dots	－
Module dimension	33.5 × 27.08 × 1.26	mm
Active Area	28.52 × 18.33	mm
Pixel Size	0.203 × 0.258	mm
Pixel Pitch	0.223 × 0.278	mm
Display Mode	Passive Matrix
Display Color	Yellow & Green (Dual Color)
Drive Duty	1/64 Duty
IC	SSD1309
Interface	6800,8080,4-Wire SPI,I2C
Size	1.33 inch

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage for Logic	VDD	-0.3	4	V
Supply Voltage for Display	VCC	0	17	V
Operating Temperature	TOP	-40	+80	°C
Storage Temperature	TSTG	-40	+85	°C

Electronical Characteristics

DC Electrical Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage for Logic	VDD	－	1.65	3.0	3.5	V
Supply Voltage for Display	VCC	－	7.0	12.0	12.5	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
Display 50% Pixel on	ICC	VCC=12V	－	8.0	12.0	mA

Interface Pin Function

No.

Symbol

Function

ESD_GND

It should be connected to ground.

VLSS

This is an analog ground pin

VSS

Ground.

No connection

VDD

Power supply pin for core logic operation

BS1

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	0	1

Note
(1) 0 is connected to VSS
(2) 1 is connected to VDD

BS2

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).

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.

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.

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.

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.

13-20

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.

IREF

This pin is the segment output current reference pin.
IREF is supplied externally.

VCOMH

COM signal deselected voltage level.
A capacitor should be connected between this pin and VSS.

VCC

Power supply for panel driving voltage. This is also the most positive power voltage supply pin.