122x32 Graphic LCD Display Module

VG122321

122x32 Graphic LCD, Graphic Display Module

1.Built-in controller RW1020 or equivalent
2.Built-in oscillation
3.+ 5V single power supply (+3V option)
4.1/32 duty cycle
5.LED B/L pins: A/K, or 1/2, 19/20
6.Backlight: LED B/L

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  • 122x32 Graphic LCD, Graphic Display Module
  • Mechanical Data
  • Electronic Characteristics
  • Pin Assignment
  • Dimension
Item Standard Value Unit
Module Dimension 84.0 x 44.0 mm
Viewing Area 60.25 x 18.0 mm
Active Area 53.64 x 15.64 mm
Dot Size 0.4 x 0.45 mm
Dot Pitch 0.44 x 0.49 mm
Item Symbol Condition Typical Value Unit
Input Voltage VDD 25 ℃ 5.0 V
Supply Current IDD VDD = +5V 2.5 mA
LCD Driving Voltage VDD - VO 25 ℃ 4.7 V
LED Forward Voltage Vf 25 ℃ 4.2 V
LED Forward Current If 25 ℃ 120 mA
Pin Symbol Function
1 VSS GND
2 VDD +5V(+3V option)
3 VO Contrast Adjustment
4 A0 H:Data L:Instruction
5 CS1 Data Latch For Chip1
6 CS2 Data Latch For Chip2
7 NC No Connection
8 NC No Connection
9 R/W H/L read/write signal
10~17 DB0~DB7 H/L data bus line
18 RES H→L Reset the LCM
19 A Power supply for B/L (+)
20 K Power supply for B/L (-)

122x32 Graphic LCD, Graphic Display Module

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