122x32 Graphic LCD Modules - RG12232B3
122x32 Graphic LCD Modules - RG12232B3

122x32 Graphic LCD Modules

Model No. RG12232B3

RG12232B3 series 122x32 graphic LCD display module shares the same specs with RG12232B/ RG12232B2 series. Module sizes are 65.4x28.2 mm. RG12232B3 has built-in ST7920 controller IC supporting Chinese fonts and 6800/SPI interface.

RG12232B3 monochrome 122x32 LCD display module uses voltage 5V. The module operating temperature ranges from -20°C to +70°C; storage temperature covers from -30°C to +80℃. There are many combinations for LED backlight and LCD mode for you to choose from.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Structure COB
Size (Diagonal) 2.01 inch
Dot Matrix / Resolution 122 × 32 dots
Module Dimension 65.4 × 28.2 × 5.5 (MAX) mm
Viewing Area 54.8 × 19.0 mm
Active Area 48.76 × 15.32 mm
Dot / Pixel Size 0.36 × 0.41 mm
Dot / Pixel Pitch 0.40 × 0.45 mm
IC ST7920 or Equivalent
Interface 6800 / SPI
Power Supply 5V
Duty 1/32 duty cycle
Chinese Version Yes
Type Graphics LCD Display
Feature Same size with RG12232B
Pin No. Symbol Description
1 VDD Power supply for logic
2 VSS Ground
3 VO Contrast Adjustment
4 /RES Controller reset signal, Active Low
5 E Enable signal
6 Vout Positive Voltage output
7 R/W Read/Write select signal
8 RS Data/ Instruction select signal
9 DB0 Data bus line
10 DB1 Data bus line
11 DB2 Data bus line
12 DB3 Data bus line
13 DB4 Data bus line
14 DB5 Data bus line
15 DB6 Data bus line
16 DB7 Data bus line
17 A Power supply for B/L +
18 K Power supply for B/L -

122x32 Graphic LCD Modules - RG12232B3

Item Symbol Standard Value
typ.		 Unit
Input Voltage VDD 5.0 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC		 VO-VSS 4.75 V

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