Home Productos Pantalla OLED Pantalla OLED Gráfico WEO128128D-CTP

Círculo Módulos OLED Con Táctil Capacitivo 1.18", 128x128

Modelo Nº WEO128128D-CTP

►Tipo : Gráfico
►Estructura : COG
►Tamaño : 1.18 pulgada
►Matriz de puntos 128x128
►Controlador integrado SSD1327
►Fuente de alimentación de 3V
►1/128 duty
►Interfaz : SPI, I2C
►Con panel táctil capacitivo (CTP)
►Detect Point : 1 Finger
►Color de la pantalla: Blanco / Amarillo / Azul cielo (have high MOQ)
►Support Grayscale

DESCRIPCIÓN

 

DIBUJO

1.18" 128x128 Round OLED Display Module with Touch Screen - WEO128128D-CTP
Data source ref: WEO128128DWPP3D00001

ESPECIFICACIONES

Función interfaz Pin

No. Símbolo Función
1 VSS Ground pin. It must be connected to external ground.
2 VCC Power supply for panel driving voltage. This is also the most positive power voltage supply pin. It is supplied by external high voltage source.
3 VCOMH COM signal deselected voltage level.
A capacitor should be connected between this pin and VSS. No external power supply is allowed to connect to this pin.
4 VCI Low voltage power supply and power supply for interface logic level. It should match with the MCU interface voltage level and must be connected to external source.
VCI must always set to be equivalent to or higher than VDD.
5 VDD Power supply pin for core logic operation.
6 BS1 MCU bus interface selection pins. Select appropriate logic setting as described in the following table. BS1 is pin select.
Bus Interface selection
BS1 Interface
0 4-line SPI
1 I2C
Note  (1) 0 is connected to VSS  (2) 1 is connected to VCI
7 IREF This pin is the segment output current reference pin
8 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).
9 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.
10 DC# This pin is Data/Command control pin connecting to the MCU.
When the pin is pulled HIGH, will be interpreted as data.
When the pin is pulled LOW, will be transferred to a command register
In I2C mode, this pin acts as SA0 for slave address selection.
11 D0 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.
12 D1
13 D2
14 TP_SCK I2C clock signal
15 TP_SDA I2C data signal
16 TP_INT Interrupt signal
17 VCC Power supply for panel driving voltage. This is also the most positive power voltage supply pin.
18 VSS Ground

Datos mecánicos

Elemento Dimensión Unidad
Matriz de puntos 128 × 128 Dots
Dimensión del módulo Ø50.5 × 5.0 mm
zona activa Ø30.0 mm
Tamaño del punto 0.210 × 0.210 mm
Distancia entre puntos 0.235 × 0.235 mm
Modo de visualización Matriz pasiva
Color de la pantalla Monocromos
Drive Duty 1/128Duty
Gray Scale 4 bits
IC SSD1327
Interfaz 4-line SPI , I2C
Tamaño (Diagonal) 1.18 pulgada
PCAP IC IT7259
Detect Point 1
PCAP Interface I2C
PCAP Surface Hardness 6H

Valores nominales máximos absolutos

Parameter Símbolo Valor mín. Valor máx. Unidad
Supply Voltage for Operation VCI -0.3 4.0 V
Supply Voltage for Logic VDD -0.5 2.75 V
Supply Voltage for Display VCC -0.5 19.0 V
Temperatura de funcionamiento TOP -20 +50 °C
Temperatura de almacenamiento TSTG -30 +70 °C

Características electrónicas

DC Características electrónicas

Elemento Símbolo Condición Valor mín. Valor típico Valor máx. Unidad
Supply Voltage for Logic VCI 2.8 3.0 3.3 V
Supply Voltage for Display VCC 14.0 14.5 15.0 V
High Level Input VIH 0.8×VCI VCI V
Low Level Input VIL 0 0.2×VCI V
High Level Output VOH Iout = 100uA 0.9×VCI VCI V
Low Level Output VOL Iout = 100uA 0 0.1×VCI V
50% Check Board operating Current VCC =14.5V 24 36 mA

 

Touch Panel Controller IT7259

Elemento Símbolo Condición Valor mín. Valor típico Valor máx. Unidad
Input High Volt. VIH COMS 1.2 V
Input Low Volt. VIL COMS 0.5 V
Output High Volt. VOH IOH = 2mA 2.4 V
Output Low Volt. VOL IOL = 2mA 0.4 V

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