首页 产品介绍 OLED显示屏 触控 OLED 显示屏 WEO128128D-CTP

1.18寸 128x128 圆形电容式触控OLED显示器

型号 WEO128128D-CTP

►圆形OLED
►类型:点阵图形
►结构:COG
►尺寸:1.18寸
►128x128点阵
►IC:SSD1327
►3V电源电压
►1/128 duty
►接口:SPI, I2C
►电容式触控面板(CTP)
►支援指数: 1指
►发光颜色: 白色 / 黄色
►支持灰度

产品叙述

WEO128128D-CTP 是一款直径为1.18英寸的圆形OLED 显示屏,具有模块上的电容触摸屏,分辨率为 128x128 点。该模块内置了 SSD1327 IC,支持 4 线 SPI 和 I2C 接口,逻辑供电电压为 3V(典型值),1/128 驱动占空比。WEO128128D-CTP 型号内置了 FT3268 触摸屏 IC,支持 I2C 接口,并针对电容触摸屏提供一个探测点。

这款圆形 OLED WEO128128D 带有 CTP 型号非常适用于智能家居应用、智能技术设备、能源系统、通信系统、医疗仪器等。该 OLED 模块具有高达 10,000:1 的高对比度和多达 160° 的非常宽广的视角,可呈现更清晰的显示图像。该模块可在 -20℃ 至 +70℃ 的温度范围内运行,其储存温度范围为 -30℃ 至 +70℃。

 

规格图

1.18" 128x128 Round OLED Display Module with Touch Screen - WEO128128D-CTP
Data source ref: WEO128128DWPP3D00003

产品规格

Pin功能定义

No. 符号 功能说明
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.
VDD can be supplied externally (within the range of 2.4V to 2.6V) or regulated
Internally from VCI. A capacitor should be connected between VDD and VSS under all circumstances.
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

规格说明

项目 尺寸 单位
点阵(分辨率) 128 x 128 Dots
模块尺寸 Ø50.5 × 5.0 mm
检视区域 Ø30.0 mm
点大小 0.210 × 0.210 mm
点间距 0.235 × 0.235 mm
显示模式 被动矩阵
发光颜色 单色
驱动方式 1/128 Duty
灰阶 4 bits
IC SSD1327
接口 4线SPI , I2C
尺寸 1.18吋
 
CTP IC FT3268
检测点(触控点) 1
CTP 接口 I2C

最大绝对额定值

参数 符号 最小值 最大值 单位
工作电源电压 VCI -0.3 3.6 V
逻辑电源电压 VDD -0.5 2.75 V
显示电源电压 VCC -0.5 19.0 V
工作温度 TOP -20 +70 °C
储存温度 TSTG -30 +70 °C

电气特性

DC 电气特性

项目 符号 条件 最小值 典型值 最大值 单位
工作电源电压 VCI 2.8 3.0 3.3 V
显示电源电压 VCC 8.0 14.5 15.0 V
逻辑电源电压 VDD 1.65 2.6 V
输入高准位 VIH 0.8×VCI VCI V
输入低准位 VIL 0 0.2×VCI V
输出高准位 VOH Iout = 100uA 0.9×VCI VCI V
输出低准位 VOL Iout = 100uA 0 0.1×VCI V
50%显示画面耗电流 VCC =14.5V 15 30 mA

 

触控面板控制器 FT3268

项目 符号 条件 最小值 典型值 最大值 单位
输入高准位 VIH 0.7×VDD VDD V
输入低准位 VIL -0.3 0.3×VDD V
输出高准位 VOH IOH = 0.1mA 0.7×VDD V
输出低准位 VOL IOL = 0.1mA 0.3×VDD V

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