Small LCD Displays, Small LCD Module 122x32 - RG12232A2
Small LCD Displays, Small LCD Module 122x32 - RG12232A2
  • 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
View Area 60.0 × 18.0 mm
Active Area 53.64 × 15.64 mm
Mounting Hole 79.0 × 36.0 mm
Dot Size 0.40 × 0.45 mm
Dot Pitch 0.44 × 0.49 mm
View Direction 6 o’clock
Built-in Controller ST7920 or Equivalent
Interface 6800 / SPI
Duty 1/32 duty cycle
Chinese Version Yes
Type Small Graphic LCD Display Module
Feature Same size with RG12232A
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 -

Small LCD Displays, Small LCD Module 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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