Home Products COG LCD WO14464A5

144x64 Monochrome LCD

Model No. WO14464A5

►COG LCD 144x64
►Graphic LCD
►Built-in controller RA8816N
►3.3V power supply
►1/65 duty cycle, 1/9 bias
►Interface : 6800/8080/SPI


Winstar Display standard graphic COG 144x64 LCD module which is built in RA8816 controller with Chinese Font. The WO14464A series is having the outline size of 80.0 x 54.0 mm, VA size of 70.7 x 38.8 mm and AA size of 64.78 x 33.26 mm. This type of module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.


WO14464A5 - 144x64 Monochrome LCD Drawing


Interface Pin Function

Pin No. Symbol Description
1 VLCD Booster Output
2 C3P DC/DC voltage converter.
3 C2M DC/DC voltage converter.
4 C2P DC/DC voltage converter.
5 C1M DC/DC voltage converter.
6 C1P DC/DC voltage converter.
7~11 V0~V4 Bias voltage levels for LCD driving
12 VREF This is the refeence voltage input when use an external regulator.
13 GND Ground
14 VDD Power supply for logic
15~22 DB7~DB0 Data bus line
23 EN Enable signal
24 R/W Read/Write select signal
25 RS Data/ Instruction  select signal
26 /CS Chip select input pins
27 C86 Interface selection 6800/8080
28 P/S Selects the interface type: Serial or Parallel.
29 INT This is an interrupt output for MPU. Active low
30 /RST Controller reset signal, Active Low

Mechanical Data

Item Standard Value Unit
Module Dimension 80.0 × 54.0 mm
Viewing Area 70.7 × 38.8 mm
Dot Pitch 0.52 × 0.52 mm
Dot Size 0.43 × 0.50 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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