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128x64 Dot Matrix Graphic LCD Display

Model No. WG12864C

►LCD Graphic Display 128x64, LCD Display 128x64
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►Built-in negative voltage
►Interface: 6800
►Touch Screen: Option


WG12864C is a mono LCD graphic display 128x64 dot matrix module, diagonal size 2.7 inch.  WG12864C model is built in with NT7107, NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface.  The WG12864C LCD display is 5V power supply; it’s also negative voltage 3.3V power supply optional.  This graphic display 128x64 module is available for without backlight or with LED backlight options. WG12864C is available in various LED colors including yellow/green, blue, white, red, and RGB, etc.  This model graphic LCD module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.


128x64 Dot Matrix Graphic LCD Display - WG12864C
Data source ref:WG12864C-TFH-V#N


Interface Pin Function

Pin No. Symbol Level Description
1 /CS1 L Select Segment 1 ~ Segment 64
2 /CS2 L Select Segment 65 ~ Segment128
3 Vss 0V Ground
4 VDD 5.0V Supply voltage for logic
5 VO (Variable) Operating voltage for LCD
6 D/I H/L H: Data , L: Instruction
7 R/W H/L H: Read(MPU←Module) , L :Write(MPU→Module)
8 E H Enable signal
9 DB0 H/L Data bus line
10 DB1 H/L Data bus line
11 DB2 H/L Data bus line
12 DB3 H/L Data bus line
13 DB4 H/L Data bus line
14 DB5 H/L Data bus line
15 DB6 H/L Data bus line
16 DB7 H/L Data bus line
17 RST L Reset the LCM
18 VEE Negative Voltage Output
19 A Power supply for B/L (+)
20 K Power supply for B/L (-)

Mechanical Data

Item Dimension Unit
Number of dots 128 x 64
Module dimension 78.0 x 70.0 x 14.3(Max) mm
View area 62.0 x 44.0 mm
Active area 56.28 x 38.36 mm
Dot size 0.40 x 0.56 mm
Dot pitch 0.44 x 0.60 mm
Duty 1/64
Backlight Type LED
IC NT7107,NT7108
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Supply voltage for Logic VDD-VSS -0.3 7.0 V
Driver Supply Voltage VLCD VEE-0.3 VDD+0.3 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD VDD-V0 Ta=-20℃


Input High Volt. VIH 0.7VDD VDD V
Input Low Volt. VIL 0 0.8 V
Output High Volt. VOH 2.4 V
Output Low Volt. VOL 0.4 V
Supply Current IDD VDD=5.0V 2.0 4.0 8.0 mA

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