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  • Graphic Module 128x64 - VG128646
VG128646

1.Built-in controller ST7920
  (128x64 dots matrix mode or 16x16 dots Big5/GB
  Chinese mode, or 8x16 dots ASCII mode)
2.+ 5V single power supply (+3V option)
3.1/32 duty cycle
4.LED B/L pins: A/K, or 1/2, 15/16
5.Backlight: LED B/L

Item Standard Value Unit
Module Dimension 93.0 x 70.0 mm
Viewing Area 72.0 x 40.0 mm
Active Area 66.52 x 33.24 mm
Dot Size 0.48 x 0.48 mm
Dot Pitch 0.52 x 0.52 mm
Item Symbol Condition Typical Value Unit
Input Voltage VDD 25 ℃ 5.0 V
Supply Current IDD VDD = +5V 2.6 mA
LCD Driving Voltage VDD - VO 25 ℃ 6.0 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 330 mA
Pin Symbol Function
1 VSS GND
2 VDD +5V(+3V option)
3 VO Contrast Adjustment
4 RS Register selection signal
5 R/W H/L read/write signal
6 E H→L Enable signal
7~14 DB0~DB7 H/L data bus line
15 A Power supply for B/L (+)
16 K Power supply for B/L (-)
17 /RST Reset signal
18 VOUT Positive Voltage output

VG128646

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