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122 x 32 Monochrome Graphic LCD Display Module

Model No. WG12232B

►122x32 Graphic Display Module
►Available for internal oscillation 2KHz
►IC: SBN1661G
►1/32 duty cycle
►5V power supply only
►The feature of WG12232B is same as WG12232G
►Chinese version: WG12232M
►Interface: 6800


WG12232B is a monochrome graphic 122x32 LCD display module with a built-in SBN1661G controller IC supporting a 6800 8-bit parallel interface. The module includes FFC output pins. This LCD module supports a 5V power supply only, a 2KHz internal oscillator, and does not offer a 3V power supply version. WG12232B shares the same dimensions as WG12232M, with an outline size of 65.4 x 28.2 mm and a viewing area size of 54.8 x 19 mm, with an active area size of 48.76 x 15.32 mm. If you require a built-in Chinese character library, the WG12232M model is available as an alternative.

Please note that there is a gap in the middle of the glass display of this model, separating the display into upper and lower sections. If your product requires a continuous 122x32 dot matrix without this gap, please select the WG12232G model. Additionally, be aware that the FFC output pins of WG12232B and WG12232G differ. Please refer to the diagrams or contact our sales representatives for the complete specifications.

This module offers multiple LED backlight color options, and the LCD comes in STN positive, negative, and FSTN types. The operating temperature ranges from -20℃ to +70℃, and the storage temperature is between -30℃ to +80℃. All materials comply with RoHS environmental standards and EU REACH regulations.


122 x 32 Monochrome Graphic LCD Display Module - WG12232B
Data source ref:WG12232B-YYH-N#A


Interface Pin Function

Pin No. Symbol Level Description
1 VDD 5.0V Supply voltage for logic
2 VSS 0V Ground
3 Vo (Variable) Operating voltage for LCD
4 RES H/L Reset the LCD display , active “ L “
5 E1 H/L Chip select signal for IC1 ,active “ H “
6 E2 H/L Chip select signal for IC2 , active “ H “
7 R/W H/L H : Read ; L : Write
8 A0 H/L H : Data L : Instruction
9 DB0 H/L Data bus line
10 DB1 H/L Data bus line
11 DB2 H/L Data bus line
12 DB3 H/L Data bus line
13 DB4 H/L Data bus line
14 DB5 H/L Data bus line
15 DB6 H/L Data bus line
16 DB7 H/L Data bus line
17 A Power supply for B/L ( + )
18 K Power supply for B/L ( - )

Mechanical Data

Item Dimension Unit
Number of dots 122 x 32
Module dimension 65.5 x 28.25 x 6.8 (Max) mm
View area 54.8 x 19.0 mm
Active area 48.76 x 15.32 mm
Dot size 0.36 x 0.41 mm
Dot pitch 0.40 x 0.45 mm
Duty 1/32
Backlight Type LED
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input voltage VI -0.3 VDD+0.3 V
Supply voltage for Logic VDD-VSS -0.3 +6.0 V
LCD bias voltage VLCD 3.5 13 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCM VDD-V0 Ta=-20℃


Input High Volt. VIH VDD=5.0 3.0 5.0 VDD+0.5 V
Input Low Volt. VIL 0 0.7 1.1 V
Output High Volt. VOH VDD-0.3 VDD V
Output Low Volt. VOL 0 0.3 V
Supply Current IDD VDD=5.0V 1.0 mA

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