128×64 LCD Graphic Displays

Model No. WG12864J5

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

Category: Graphic LCD

Description

WG12864J5 is a monochrome 128×64 graphic LCD display module; diagonal size 2.9 inch. This 128×64 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℃.

Drawing

Data source ref:WG12864J5-TFH-V#T

Specifications

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)
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 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℃ Ta=25℃ Ta=70℃	－ 4.4 －	－ 4.6 －	－ 4.8 －	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	－	2.6	3.0	mA

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