Home Products COG LCD WO12864A1

128x64 COG LCD Module

Model No. WO12864A1

►128x64 COG LCD Module
►Graphic LCD
►IC: ST7565P
►3.3V power supply
►1/65 duty cycle
►Interface : 6800/8080/SPI


WO12864A1 is a 2.2 inch 128x64 COG monochrome Graphic LCD module. This LCD module is built in with ST7565P controller or equivalent IC.  It supports 6800 8-bit, 8080 8-bit parallel and SPI interface. This LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.  This LCD COG 128x64 display is very suitable for the applications that demand more compact package displays.


Winstar WO12864A1 128x64 COG LCD Module


Interface Pin Function

Pin No. Symbol Description
1 P/S Selects the interface type: Serial or Parallel.
2 C86 Interface selection 6800/8080
3 VR LCD Contrast Adjustment when IRS = “L”
4~8 V0~V4 Bias voltage levels for LCD driving
9 CAP2N DC/DC voltage converter.
10 CAP2P DC/DC voltage converter.
11 CAP1P DC/DC voltage converter.
12 CAP1N DC/DC voltage converter.
13 CAP3P DC/DC voltage converter.
14 Vout Positive Voltage output
15 VSS Ground
16 VDD Power supply for logic
17~24 D7~ D0 Data bus line
25 /RD(E) 8080 family: Read signal, 6800 family: Enable clock
26 /WR(R/W) 8080 family: Write signal, 6800 family: Read/Write signal
27 A0 Data/ Instruction select signal
28 /RES Controller reset signal, Active Low
29 /CS1 This is the chip select signal.

Mechanical Data

Item Standard Value Unit
Module Dimension 60.1 × 44.5 mm
Viewing Area 54.6 × 32.0 mm
Dot Pitch 0.39 × 0.43 mm
Dot Size 0.36 × 0.40 mm

Electrical Characteristics

Item Symbol Standard value
Input Voltage VDD 3.0 V
Recommended LCD Driving
Voltage for Normal Temp.
Version module @25°C
Vo-Vss 9.50 V

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