Monochrome Graphic LCD Display 122x32 -  RG12232A2
Monochrome Graphic LCD Display 122x32 -  RG12232A2

Monochrome Graphic LCD Display 122x32

Model No. RG12232A2

RG12232A2 is monochrome 122x32 graphic LCD display with module dimension 84.0 x 44.0 mm. IC ST7920 supports Chinese fonts and interfaces such as 6800/ SPI. As the module has built-in positive voltage, there’s no need to provide it from the outside. Option of negative voltage is not available for this module. Operating temperature of the module ranges from -20°C to +70°C; storage temperature covers from -30°C to +80°C.

Raystar provides various LED backlight combinations for RG12232A2 module, such as yellow-green and white. You can choose module with LED backlight or without it. RG12232A2 offers a selection of LCD mode, including STN negative blue, STN positive yellow-green and FSTN positive black.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
Item Dimension Unit
Dot Matrix / Resolution 122 × 32 dots
Module Dimension 84.0 × 44.0 × 13.7 (MAX) mm
Viewing Area 60.0 × 18.0 mm
Active Area 53.64 × 15.64 mm
Mounting Hole 79.0 × 36.0 mm
Dot / Pixel Size 0.40 × 0.45 mm
Dot / Pixel Pitch 0.44 × 0.49 mm
IC ST7920 or Equivalent
Interface 6800 / SPI
Duty 1/32 duty cycle
Chinese Version Yes
Type Graphic LCD Display Module
Feature Same size with RG12232A / RG12232A1
Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply for logic
3 VO Contrast Adjustment
4 RS Data/ Instruction select signal
5 Vout Positive Voltage output
6 NC No connection
7 NC No connection
8 E Enable signal
9 R/W Read/Write select signal
10 DB0 Data bus line
11 DB1 Data bus line
12 DB2 Data bus line
13 DB3 Data bus line
14 DB4 Data bus line
15 DB5 Data bus line
16 DB6 Data bus line
17 DB7 Data bus line
18 /RES Controller reset signal, Active Low
19 A Power supply for B/L +
20 K Power supply for B/L -

Monochrome Graphic LCD Display 122x32 - RG12232A2

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VO-VSS 4.50 V
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