Graphic Modules 128x64

VG128643

1.Built-in controller NT7107/7108 or equivalent
2.+ 5V single power supply (+3V option)
3.1/64 duty cycle
4.LED B/L pins: A/K, or 3/4, 19/20
5.Backlight: LED B/L
6.Option: External Negative Voltage

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  • Graphic Modules 128x64 - VG128643
  • Mechanical Data
  • Electronic Characteristics
  • Pin Assignment
  • Dimension
Item Standard Value Unit
Module Dimension 78.0 x 70.0 mm
Viewing Area 62.0 x 44.0 mm
Active Area 56.3 x 38.38 mm
Dot Size 0.42 x 0.58 mm
Dot Pitch 0.44 x 0.6 mm
Item Symbol Condition Typical Value Unit
Input Voltage VDD 25 ℃ 5.0 V
Supply Current IDD VDD = +5V 10.0 mA
LCD Driving Voltage VDD - VO 25 ℃ 9.0 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 480 mA
Pin Symbol Function
1 CS1 Chip Select for IC1
2 CS2 Chip Select for IC2
3 VSS GND
4 VDD +5V(+3V option)
5 VO Contrast Adjustment
6 D/I H:Data L:Instruction
7 R/W H/L read/write signal
8 E H→L Enable signal
9~16 DB0~DB7 H/L data bus line
17 /RST Reset signal
18 VEE Negative Voltage output
19 A Power supply for B/L (+)
20 K Power supply for B/L (-)

VG128643

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