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VG192321

1.Built-in controller ST7920
   (192x32 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 116.0 x 37.0 mm
Viewing Area 85.0 x 18.6 mm
Active Area 80.6 x 15.96 mm
Dot Size 0.38 x 0.46 mm
Dot Pitch 0.42 x 0.5 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 ℃ 4.5 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 210 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 (-)

VG192321

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