Home Products LCD Display Graphic LCD WG14432A3/A5

144x32 Graphic LCD Module

Model No. WG14432A3/A5

►Graphic LCD 144x32
►Type: Graphic
►Structure: COB
►Size: 2.44"
►IC: ST7920
►WG14432A3:+3.3V power supply / WG14432A5:+5V power supply
►Internal boost option
►1/32 duty cycle
►LED can be driven by PiN15, PIN16 or A, K
►Chinese version
►Same size as WH1602C
►Interface: default 6800; optional SPI

Description

WG14432A3/WG14432A5 is a monochrome 144x32 graphics LCD module which is built in with ST7920 controller IC.  WG14432A3/A5 is having the same mechanical size as Character WH1602C.  This WG14432A module supports 6800 parallel and SPI interface; +3.3V/+5V power supply, also internal boost 3.3V optional.  This 144x32 graphic LCD display supports Traditional Chinese and Simplified Chinese Font.  It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

DRAWING

Winstar 144x32 Graphic LCD Module - WG14432A3/WG14432A5
Data source ref: WG14432A3-YGH-V#T

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Level Description
1 VSS 0V GND
2 VDD 3.3V Power Supply
3 NC No connection
4 RS H/L H: Data ,  L : Instruction
5 R/W H/L H: Read (MPU←Module) , L: Write (MPU→Module)
6 E H/L Enable signal
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 B/L +
16 K Power supply for B/L -

Mechanical Data

Item Dimension Unit
Number of dots 144 x 32
Module dimension 85.0 x 36.0 x 13.2 (MAX) mm
View area 66.0 x 16.0 mm
Active area 60.44 x 13.4 mm
Dot size 0.38 x 0.38 mm
Dot pitch 0.42 x 0.42 mm
Duty 1/32
Backlight Type LED
IC ST7920

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 3.0 3.3 3.6 V
Supply Voltage For LCD V0-VSS Ta=-20℃
Ta=25℃
Ta=+70℃






V
V
V
Input High Volt. VIH 0.7VDD VDD V
Input Low Volt. VIL -0.3 0.6 V
Output High Volt. VOH 0.8 VDD VDD V
Output Low Volt. VOL 0 0.1 V
Supply Current IDD VDD=3.3V 1.6 2.2 3.5 mA

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