Home Products LCD Display Graphic LCD WG12864C

128x64 Dot Matrix Graphic LCD Display

Model No. WG12864C

►128x64 LCD
►Type: Graphic
►Structure: COB
►Size: 2.68"
►IC: NT7107, NT7108
►+5V power supply
►1/64 duty cycle
►Built-in negative voltage
►Interface: 6800
►Touch Screen: Option

Description

WG12864C is a monochrome graphic LCD display module with a 128x64 dot matrix and a diagonal size of 2.68 inches, featuring a COB (Chip on Board) structure. The WG12864C model is built-in with NT7107, NT7108 controller, or equivalent IC and supports the 6800 8-bit parallel interface. The logic supply voltage is 5V, with an internal built-in negative voltage 3.3V power supply optional.

This graphic display 128x64 module is available without backlight or with various LED backlight options, including yellow/green, blue, white, red, and RGB full-color. An optional touch panel can be added to meet user-interactive application needs.

The WG12864C module operates within a temperature range of -20°C to +70°C and can be stored between -30°C and +80°C.

DRAWING

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

SPECIFICATIONS

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℃
Ta=25℃
Ta=70℃

8.2
8.2

8.5
9.6
8.8
V
V
V
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

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 (-)

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