WEO12832W#SP3N00000-FC

Name: WEO12832W#SP3N00000-FC
SKU: WEO12832W#SP3N00000-FC
Price: 7.00 EUR
Availability: InStock

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PMOLED 0.91" Graphic 128x32, White color, COG, 3V, Interface SPI,I2C (FPC per Zif), CH1120 IC, Glare

Brand: Winstar

Cod.: WEO12832W#SP3N00000-FC

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DESCRIPTION

The WEO12832W#SP3N00000-FC is a 0.91-inch OLED display module with a 128x32 dot matrix and integrated CH1120 driver IC. Designed for compact systems, this OLED 0.91-inch display is optimized for applications where mechanical depth, power efficiency, and clear monochrome rendering are key constraints. It supports 4-bit grayscale, offering more flexibility for UI expression compared to traditional 1-bit OLED modules.

The OLED display 0.91 128x32 operates at 3V logic power and offers SPI and I2C interfaces for seamless integration with most MCU platforms. The module features a wide viewing angle of 160° (H/V) and an extensive operating temperature range from –40°C to +80°C, ensuring stable performance in both consumer and industrial environments.

Key Characteristics

0.91" COG OLED module
128×32 resolution
CH1120 driver IC
4-bit grayscale support
Interface options: SPI / I2C
Logic voltage: 3V
Display color: White or Yellow
Viewing angle: 160° horizontal / 160° vertical
Operating temperature: –40°C to +80°C
Ideal for low-power, space-limited designs

Recommended Applications

With its compact OLED 0.91-inch dimensions and energy-efficient design, the WEO12832W#SP3N00000-FC is ideal for:

Wearable and portable devices: fitness trackers, compact indicators, wrist-type devices
Portable medical equipment: handheld meters, diagnostic accessories
Test and measurement tools: multimeters, data loggers, small instrumentation panels
IoT nodes and compact controllers: sensors, control modules, smart home handheld units
Battery-powered handheld devices

DRAWING

SPECIFICATIONS

General Specification

Item	Dimension	Unit
Dot Matrix	128 × 32 Dots	－
Module dimension	30.0 × 11.5 × 1.41	mm
Active Area	22.38 × 5.58	mm
Pixel Size	0.155 × 0.155	mm
Pixel Pitch	0.175 × 0.175	mm
Display Mode	Passive Matrix
Display Color	Monochrome
Drive Duty	1/32 Duty
Gray Scale	4 bits
IC	CH1120
Interface	4-wire SPI,I2C
Size	0.91 inch

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage for Logic	VDD	-0.3	3.5	V
Supply Voltage for Display	VPP	-0.3	15.0	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	－	1.65	3.0	3.5	V
Supply Voltage for Display	VPP	－	8.0	9.0	9.5	V
Input High Volt.	VIH	－	0.8×VDD	－	VDD	V
Input Low Volt.	VIL	－	VSS	－	0.2×VDD	V
Output High Volt.	VOH	－	0.8×VDD	－	VDD	V
Output Low Volt.	VOL	－	VSS	－	0.2×VDD	V
Display 50% Pixel on	IPP	VPP=9V	－	3	6	mA

Interface Pin Function

No.

Symbol

Function

ESD_GND

This pin should be connected to GND.

VPP

OLED panel power supply.
Connect to capacitor. It could be supplied externally. This is the most positive voltage supply.

VCOMH

This is a pin for the voltage output high level for common signals.
A capacitor should be connected between this pin and VSS.

SEGH

This is a segment pre-charge voltage.
A capacitor can be connected between this pin and GND if necessary. When external capacitor is not used, this pin should be kept NC.

VSL

Discharge voltage level pad.
This pad should be connected to resistor and diode externally.

VSS

Ground for logic and analog. This pin should be connected to GND externally.

VDD

Power supply for logic.

RES

This is a reset signal input pin. When RES is set to “L”, the settings are initialized. The reset operation is performed by the RES signal level.
This pin internal pull high.

A0/SA0

This is the Data/Command control pin that determines whether the data bits are data or a command.
In I2C interface, this pad serves as SA0 to distinguish the different address of OLED driver.

This pin is the chip select input. When CS = “L”, then the chip select becomes active, and data/command I/O is enabled.

SCL

The serial clock input.

The serial data input.

IM1

MCU bus interface selection pins.

	IM1
4-Wire SPI	0
I2C	1

IREF

This is a segment current reference pin.
A resistor should be connected between this pin and GND.

DVDD

This pin is for regulator circuit.
A capacitor should be connected between this pin and GND if necessary. When external capacitor Is not used, this pin should be kept NC

ESD_GND

This pin should be connected to GND.

Specifiche di prodotto

Size	0.91"
Resolution	128x32
Active Area (mm)	22.38x5.58
Dot Size	0.15x0.15
Polarizer	Glare
Color	White
Power supply	3V
Display Interface	SPI/I2C
Display IC	CH1120
Constructive Structure	COG
Frame	No
Touch Panel	No touch
O. Temperature (°C)	-40~80
Data Connection	FPC for ZIF Connector
Pin Nr.	16
Pin Pitch	0.5mm
Preferred - Not Preferred	Preferred

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