Home Products COG LCD WO12864A1

128x64 COG LCD Module

Model No. WO12864A1

►128x64 COG LCD Module
►Graphic LCD
►Built-in controller (ST7565P or equivalent)
►3.3V power supply
►1/65 duty cycle
►Interface : 6800/8080/SPI

DESCRIPTION

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.

DRAWING

Winstar WO12864A1 128x64 COG LCD Module

SPECIFICATIONS

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
typ.
Unit
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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