Home Products OLED Module Character OLED Display WEO002002A

20x2 OLED Character Display - COG

Model No. WEO002002A

►Type : Character (W/O FR)
►Structure : COG
►20 characters x 2 Lines
►Built-in controller SSD1311M1Z
►3V/5V Power supply
►1/16 duty
►Interface: 6800, 8080, SPI, I2C
►Display Color: White / Yellow

DESCRIPTION

Winstar Display standard 20x2 OLED COG Character item no. WEO002002A module is built-in SSD1311 IC; it supports 6800/8080 8-bit parallel and I2C/4-wire serial interface.  We suggest customers to consider using this low power 20x2 character OLED to upgrade your existing LCD character display.

  • Faster response time "At +25 ℃ 10 μsec."
  • Unlimited viewing angle "Up to 175 degree"
  • Thin – No need of backlight, self emitting
  • High Brightness
  • High contrast ratio "Up to 2000:1"
  • Wide Operation Temperature
  • Lower power consumption - reduce CO2emissions

DRAWING

WEO002002A - 20x2 OLED Character Display

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Description
1 NC Not Connected
2 VSL SEG voltage refer Pin
3 VSS Ground Pin
4 REGVDD Internal VDD regulator
5 SHLC COM Scan Direction
6 SHLS SEG Scan Direction
7 VDD Voltage for logic
8 VDDIO Voltage for interface logic 
9~11 BS0~BS2 Interface Selection
12 GPIO GPIO pin
13 CS# Chip Select Pin
14 RES# Reset Signal Pin  
15 D/C# Data/Command Control Pin
16 R/W# Read/Write Control
17 E(RD#)  Chip Enable Signal
18~25 D0~D7 Data Bus
26 IREF SEG Current Refer Pin
27~28 ROM0~ROM1 Character ROM selection
29~30 OPR0~OPR1 Character RAM selection
31 VCOMH COM deselected level
32 VCC Panel driving voltage

Mechanical Data

Item Dimension Unit
Module dimension 84.5 × 19.28 mm
View area 75.52 × 13.52 mm
Active area 73.52 × 11.52 mm
Dot pitch 0.65 × 0.70 mm
Dot size 0.62 × 0.67 mm

Electronical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage VDD --- 2.8 / 4.8 3.0 / 5.0 3.3 / 5.3 V
 

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