202x32 COB Graphic LCD Module - WG20232A

202x32 COB Graphic LCD Module

Model No. WG20232A

►Graphic LCD 202x32
►Monochrome Graphic Display
►Type: Graphic
►Structure: COB
►Size: 4.75"
►Built-in oscillation
►IC: RW1020
►1/32 duty cycle
►3.3V power supply
►Interface: 6800

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Description

WG20232A is a 4.75-inch monochrome LCD 202x32 graphic display module featuring a COB (Chip on Board) structure. The module dimension is 146 x 43 mm, with an active area size of 119.16 x 18.86 mm.

This 202x32 LCD display module is built with the RW1020 controller IC or a compatible controller. It supports a 6800 parallel interface and operates with a typical 3.3V power supply. Negative voltage is available as an option, and the module includes built-in oscillation.

The WG20232A is designed for operating temperatures from -20℃ to +70℃ and storage temperatures from -30℃ to +80℃, making it suitable for control panels, instruments, and compact graphical display applications.

DRAWING

Data source ref:WG20232A-TMI-V#W

SPECIFICATIONS

Mechanical Data

Item	Dimension	Unit
Number of dots	202 x 32	－
Module dimension	146.0 x 43.0 x 13.7(Max)	mm
View area	123.0 x 23.0	mm
Active area	119.16 x 18.86	mm
Dot size	0.57 x 0.57	mm
Dot pitch	0.59 x 0.59	mm
Duty	1/32
Backlight Type	LED
IC	RW1020
Interface	6800

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	－	+70	℃
Storage Temperature	TST	-30	－	+80	℃
Input Voltage	VIN	-0.3	－	VDD+0.3	V
Supply Voltage For Logic	VDD-VSS	-0.3	－	+7.0	V

Electrical Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	－	3.0	3.3	3.6	V
Supply Voltage For LCD	VDD-V0	Ta=-20℃ Ta=25℃ Ta=70℃	－ 4.8 －	－ 5.0 －	－ 5.2 －	V V V
Input High Volt.	VIH	－	0.85VDD	－	VDD	V
Input Low Volt.	VIL	－	0	－	0.8	V
Output High Volt.	VOH	－	0.8VDD	－	VDD	V
Output Low Volt.	VOL	－	0	－	0.4	V
Supply Current	IDD	VDD=3.3V	－	10.0	15.0	mA

Interface Pin Function

Pin No.	Symbol	Level	Description
1	VSS	0V	Ground
2	VDD	3.3V	Power Supply
3	VO	(Variable)	Operating voltage for LCD
4	A0	H/L	H : Data L : Instruction
5	R/W	H/L	H : Read ; L : Write
6	CS1	H/L	Chip select signal for IC1
7	DB0	H/L	Data bus line
8	DB1	H/L	Data bus line
9	DB2	H/L	Data bus line
10	DB3	H/L	Data bus line
11	DB4	H/L	Data bus line
12	DB5	H/L	Data bus line
13	DB6	H/L	Data bus line
14	DB7	H/L	Data bus line
15	VEE	－	Negative voltage output
16	RES	H/L	68-series MPU when H→L the LCM is reset. High level:68-series MPU interface
17	A	－	LED+
18	K	－	LED-
19	CS2	H/L	Chip select signal for IC2
20	CS3	H/L	Chip select signal for IC3