Home Products COG LCD WO12864D2

LCD COG Module 128x64

Model No. WO12864D2

►COG LCD 128x64
►Graphic LCD
►Built-in controller (ST7565P or equivalent)
►3.3V power supply
►1/64 duty cycle
►Interface : 6800/8080/SPI


Winstar WO12864D2 LCD COG Module 128x64


Interface Pin Function

Pin No. Symbol Description
1 /CS1 This is the chip select signal. When /CS1 = “L” , then the chip select becomes active, and data/command I/O is enabled.
2 /RES Controller reset signal, Active Low
3 A0 Data/ Instruction select signal
4 /WR(R/W) 8080 family: Write signal, 6800 family: Read/Write signal
5 /RD(E) 8080 family: Read signal, 6800 family: Enable clock
6~13 DB0~DB7 Data bus line
14 VDD Power supply for logic
15 VSS Ground
16 Vout Positive Voltage output
17 CAP5+ DC/DC voltage converter
18 CAP3+ DC/DC voltage converter.
19 CAP1- DC/DC voltage converter.
20 CAP1+ #N/A
21 CAP2+ DC/DC voltage converter.
22 CAP2- DC/DC voltage converter.
23 CAP4+ DC/DC voltage converter.
24 VRS This is the internal-output VREG power supply for the LCD power supply voltage regulator.
25~29 V4~V0 Bias voltage levels for LCD driving
30 VR LCD Contrast Adjustment when IRS = “L”
31 C86 Interface selection 6800/8080

Mechanical Data

Item Standard Value Unit
Module Dimension 90.0 × 52.8 mm
Viewing Area 70.7 × 38.8 mm
Dot Pitch 0.52 × 0.52 mm
Dot Size 0.48 × 0.48 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 10.0 V

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