128×64 ST7567 COG LCD Display

Model No. WO12864M

128×64 COG LCD Module
Graphic LCD
IC: ST7567
3V power supply
1/65 duty cycle
Interface : 6800/8080/SPI

Category: COG LCD

Description

WO12864M is a COG monochrome Graphic LCD module, made of resolution 128×64 pixels. This LCD module is built-in with ST7567 controller IC which supports 6800 8-bit, 8080 8-bit parallel and 4-line SPI interface. This LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃. Please note the WO12864M is the alternative model for WO12864A1 corresponding IC shortage or longer lead-time.

Drawing

Data source ref: WO12864M-TFH#

Interface Pin Function

Pin No.	Symbol	Function
1	PSB	This pin configures the interface to be parallel mode or serial mode.
2	C86	C86 selects the microprocessor type in parallel interface mode
3	NC	No connection
4	NC	No connection
5	NC	No connection
6	NC	No connection
7	NC	No connection
8	VG	LCD driving voltage for segment circuits
9	XV0	XV0 is the LCD driving voltage for common circuits at positive frame
10	V0	LCD driving voltage for common circuits at negative frame
11	NC	No connection
12	NC	No connection
13	NC	No connection
14	NC	No connection
15	Vss	Ground
16	VDD	Power
17	D7	Data bus
18	D6	Data bus
19	D5	Data bus
20	D4	Data bus
21	D3	Data bus
22	D2	Data bus
23	D1	Data bus
24	D0	Data bus
25	ERD	Read execution control pin
26	RWR	Write execution control pin
27	A0	It determines whether the access is related to data or command. A0=“H” : Indicates that signals on D[7:0] are display data. A0=“L” : Indicates that signals on D[7:0] are command.
28	RSTB	Hardware reset input pin
29	CSB	Chip select input pin

General Specifications

Item	Dimension	Unit
Number of Dots	128 x 64 dots	－
Module dimension	60.1x 44.5 x 5.01(MAX)	mm
View area	54.6 x 32.0	mm
Active area	49.89 x 27.49	mm
Dot size	0.36 x 0.4	mm
Dot pitch	0.39 x 0.43	mm
Duty	1/65 , 1/9 Bias
Backlight Type	LED
IC	ST7567
Interface	6800/8080/4-Line SPI

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	－	+70	℃
Storage Temperature	TST	-30	－	+80	℃
Input Voltage	VI	-0.3	－	VDD+0.3	V
Digital Power Supply Voltage	VDD-Vss	-0.3	－	3.6	V
LCD Power supply voltage	V0-XV0	-0.3	－	16	V

Electrical Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	－	2.7	3.0	3.3	V
Supply Voltage For LCM	VOP	Ta=-20℃ Ta=25℃ Ta=70℃	－ 9.15 －	－ 9.45 －	－ 9.75 －	V V V
Input High Volt.	VIH	－	0.7 VDD	－	VDD	V
Input Low Volt.	VIL	－	Vss	－	0.3VDD	V
Output High Volt.	VOH	－	0.8 VDD	－	VDD	V
Output Low Volt.	VOL	－	Vss	－	0.2 VDD	V
Supply Current	IDD	VDD=3.0V	－	0.45	0.9	mA

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