128*64 segment Graphic LCD with backlight. Inbuilt ST7920 controller.

 

It is a light blue background with 128x64 monochrome dark blue pixels,ST7920 controller that is built-in 6800 4-bit/8-bit parallel+3-wire serial spi interface,single led backlight with dark blue pixels can be dimmed easily with a resistor or PWM. Font color is white.

Features

• Built-in Controller (ST7920)
• +5V Power Supply
• 1/64 Duty Cycle
• Built-in Blue Backlight

Specifications:

Pin outs

Pin no	Symbol	Level	Description
1	VSS	0V	Power Supply (GND)
2	VDD	5.0V	Power Supply (+5V)
3	VO	(Variable)	Contrast Adjustment
4	RS	H/L	Data/ Instruction
5	R/W	H/L	Data read /write
6	E	H	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	PSB		Parallel/Serial H: Parallel L: Serial
16	NC		Not Connected
17	RST		Reset signal
18	VOUT		Positive Voltage output
19	A	－	5VPower Supply for LED ( +)
20	K	－	Power Supply for LED ( - )

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