144×32 Graphic LCD Display

Model No. WG14432B

Graphic LCD 144×32
IC: ST7920
+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 WH1602B
Interface: 6800/SPI

Category: Graphic LCD

Description

WG14432B is a monochrome 144×32 graphics LCD module which is built in with ST7920 controller IC. WG14432B is having the same mechanical size as Character WH1602B. This WG14432B module supports 6800 parallel and SPI interface; 5V power supply, also internal boost 3.3V optional. This 144×32 graphic LCD display supports Traditional Chinese Font and Simplified Chinese Font. It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

Drawing

Data source ref:WG14432B-TMI-VGB#

Specifications

Interface Pin Function

Pin No.	Symbol	Level	Description
1	VSS	0V	GND
2	VDD	5.0V	Power Supply (+5V)
3	VO		No connection
4	RS	H/L	H/L register select signal
5	R/W	H/L	H/L Read/Write signal
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	－	LED+
16	K	－	LED-

Mechanical Data

Item	Dimension	Unit
Number of dots	144 x 32	－
Module dimension	80.0 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
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℃ 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	－	0.8VDD	－	VDD	V
Output Low Volt.	VOL	－	－	－	0.4	V
Supply Current	IDD	VDD=5.0V	2.0	2.5	3.5	mA

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