LCD12864-ST - 3.3V Blue Backlight (Waveshare)

128*64 DOTS, Graphic LCD module, White Character, Blue Backlight, 3.3V For Logic Circuit

Display construction	128*64 DOTS
Display mode	TN/STN
Display type	Positive Transflective
Backlight	LED, 5.0V
Viewing direction	6 o'clock
Operating temperature	Indoor
Driving voltage	Single power
Driving method	1/33 duty,1/6 bias
Type	COB (Chip On Board)
Number of data line	8-bit parallel
Connector	Pin / ZEBRA

Key Parameters

Driver IC	ST7920 / ST7921
Interface	Parallel / SPI
Backlight	Blue
Character Color	White
Character Set	ASCII
Dimension	93 * 70 * 13.5

Interface

PIN NO.	SYMBOL	DESCRIPTION	FUNCTION
1	VSS	Ground	0V (GND)
2	VDD	Power Supply For Logic Circuit	+3.3V
3	V0	LCD Contrast Adjustment
4	RS or CS	Parallel Mode: Instruction/Data Register Selection Serial Mode: Chip Select	Parallel Mode: RS = 0 : Instruction Register RS = 1 : Data Register Serial Mode: Active-high
5	R/W or SID	Parallel Mode: Read/Write Selection Serial Mode: Data	Parallel Mode: R/W = 0 : Register Write R/W = 1 : Register Read
6	E or SCK	Parallel Mode: Enable Signal Serial Mode: Clock	Parallel Mode: Active-high
7	DB0	Parallel Mode: Data Bus Serial Mode: NC	Parallel Mode: DB0-DB7
8	DB1
9	DB2
10	DB3
11	DB4
12	DB5
13	DB6
14	DB7
15	PSB	Serial/Parallel Selection	PSB=0 : Serial Mode PSB=1 : 8/4Bit Parallel Bus Mode
16	NC
17	RST	Reset Signal	Active-low RSTB=0,Display Off, Display From Line 0
18	Vout	Dual Voltage Output	Available when VDD＝+3.3V
19	A	Supply Voltage For LED+	+3.3V
20	K	Supply Voltage For LED-	0V

External Dimension

Datasheet Download

ST7920.pdf
ST7921.pdf