Home Products Graphic LCD WG12864J5

128x64 LCD Graphic Displays

Model No. WG12864J5

►Graphic LCD 128x64
►IC: ST7920
►+5V power supply
►1/64 duty cycle
►Internal boost option
►Chinese version
►Interface: 6800/SPI


WG12864J5 is a monochrome 128x64 graphic LCD display module; diagonal size 2.9 inch.  This 128x64 graphic LCD display is built in with ST7920 controller IC which supports Traditional Chinese and Simplified Chinese Font.  WG12864J5 supports 6800 8-bit parallel and SPI interface, 5V power supply and internal boost optional.  This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.


Winstar 128x64 LCD Graphic Displays - WG12864J5
Data source ref:WG12864J5-TFH-V#T


Interface Pin Function

Pin No. Symbol Level Description
1 VSS 0V Ground
2 VDD 5.0V Supply voltage for logic
3 VO Supply voltage for LCD
4 RS H: Data ,  L : Instruction
5 R/W H/L H: Read (MPU←Module) , L: Write (MPU→Module)
7 DB0 H/L Data bus line
8 DB1 H/L Data bus line
9 DB2 H/L Data bus line
10 DB3 H/L Data bus line
11 DB4 H/L Data bus line
12 DB5 H/L Data bus line
13 DB6 H/L Data bus line
14 DB7 H/L Data bus line
15 A Power Supply for LED backlight  ( + )
16 K Power Supply for LED backlight  ( - )
17 RST H/L Reset LCM
18 Vout Positive voltage for LCD

Mechanical Data

Item Dimension Unit
Number of dots 128 x 64
Module dimension 93.0 x 70.0 x 13.6(Max) mm
View area 72.0 x 40.0 mm
Active area 66.52 x 33.24 mm
Dot size 0.48 x 0.48 mm
Dot pitch 0.52 x 0.52 mm
Duty 1/32
Backlight Type LED
IC ST7920
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VIN -0.3 VDD+0.3 V
Supply voltage for Logic VDD-VSS -0.3 5.5 V
Supply voltage for LCD VO-VSS 0 7.0 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD V0-VSS Ta=-20℃



Input High Volt. VIH 0.7VDD VDD V
Input Low Volt. VIL -0.3 0.6 V
Output High Volt. VOH 0.8VDD VDD V
Output Low Volt. VOL 0.4 V
Supply Current IDD VDD=5.0V 2.6 3.0 mA

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