I2C OLED Display, OLED Display I2C 128×32 0.91

Model No. WEO012832F

Type: Graphic
Structure: COG
Size: 0.91 inch
128×32 Dot Matrix
IC：SSD1306
3V Power supply
1/32 duty
Interface: I2C OLED Display / OLED Display I2C
Display Color: White / Yellow / Sky Blue
Thinner version OLED
Suitable for Wearable Device

Categories: Graphic OLED Display, OLED Module

Description

OLED Display supports I2C interface

Winstar WEO012832F is a popular small OLED display which is made of 128×32 pixels, diagonal size 0.91 inch, it’s very suitable for wearable device. The WEO012832F has the same mechanical dimension as WEO012832D but having different pin assignment and supports different interface. WEO012832F module is built in with SSD1306 controller IC; it supports I2C interface and having 14 pins FPC pintout. As to the WEO012832D module is also built in with SSD1306 IC but it communicates via SPI interface and having 15 pins FPC pinout.WEO012832F module supports internal Charge Pump supply and external VCC supply.

WEO012832F is a COG structure I2C OLED display, its controller is built-in voltage generation only need a single 3V power supply. This OLED supports I2C interface display module is lightweight, low power and small, this COG module is suitable for wall / meter devices, home applications, Cloud/IoT system, handheld instruments, intelligent technology devices, energy systems, automotive, communication systems, medical instrument, wearable device, etc. WEO012832F OLED module can be operating at temperatures from -40℃ to +80℃; its storage temperatures range from -40℃ to +85℃.

Drawing

I2C OLED Display, OLED Display I2C, Display I2C OELD - WEO012832F

Data source ref: WEO012832FWPP3N00001

SPECIFICATIONS

Interface Pin Function

No.	Symbol	Function
1	C2P	Positive Terminal of the Flying Inverting CapacitorNegative Terminal of the Flying Boost CapacitorThe charge-pump capacitors are required between the terminals. They must be floated when the converter is not used.
2	C2N
3	C1P
4	C1N
5	VBAT	Power Supply for DC/DC Converter Circuit This is the power supply pin for the internal buffer of the DC/DC voltage converter. It must be connected to external source when the converter is used. It should be connected to VDD when the converter is not used.
6	NC	No connection
7	VSS	Ground of Logic Circuit This is a ground pin. It acts as a reference for the logic pins. It must be connected to external ground.
8	VDD	Power Supply for Logic This is a voltage supply pin. It must be connected to external source.
9	RES#	Power Reset for Controller and Driver This pin is reset signal input. When the pin is low, initialization of the chip is executed.
10	SCL	I2C mode is selected, D2, D1 should be tied together and serve as SDAout, SDAin inapplication and D0 is the serial clock input, SCL.
11	SDA
12	IREF	Current Reference for Brightness Adjustment This pin is segment current reference pin. A resistor should be connected between this pin and VSS. Set the current lower than 12.5μA.
13	VCOMH	Voltage Output High Level for COM Signal This pin is the input pin for the voltage output high level for COM signals. A capacitor should be connected between this pin and VSS.
14	VCC	Power Supply for OEL Panel This is the most positive voltage supply pin of the chip. A stabilization capacitor should be connected between this pin and VSS when the converter is used. It must be connected to external source when the converter is not used.

General Specification

Item	Dimension	Unit
Dot Matrix	128 × 32	Dots
Module dimension	30.0 × 11.5 × 1.26	mm
Active Area	22.384 × 5.584	mm
Pixel Size	0.152 × 0.152	mm
Pixel Pitch	0.175 × 0.175	mm
Display Mode	Passive Matrix
Display Color	Monochrome
Drive Duty	1/32 Duty
IC	SSD1306
Interface	I2C
Size	0.91 inch

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage for Logic	VDD	0	4.0	V
Supply Voltage for Display	VCC	0	16.0	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	－	2.8	3.0	3.3	V
Supply Voltage for Display	VCC	－	7	7.25	8	V
Input High Volt.	VIH	－	0.8×VDD	－	VDDIO	V
Input Low Volt.	VIL	－	0	－	0.2×VDD	V
Output High Volt.	VOH	－	0.9×VDD	－	VDDIO	V
Output Low Volt.	VOL	－	0	－	0.1×VDD	V
Operating Current for VCC (VCC Supplied Externally)	ICC	Vcc =7.25V	－	7	11	mA

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