3.23-inch 192x32 Monochrome Graphic LCD Module (ST7920 IC)

Model No. RG19232A

RG19232A is a monochrome graphic LCD module with resolution of 192x32 pixels, the module dimension is 116×37 mm. RG19232A utilizes IC ST7920 supporting 6800/SPI interface and Chinese fonts. The module has a PCB with screw holes and peripheral circuit for easy mounting and usage.

Logic voltage ranges from 2.7V-5V. The driving method is 1/32 duty and the LED could be driven by Pin 15/16. Operating temperature covers from -20~+70℃, storage temperature range is from -30~+80℃. We offer a variety of combinations of LED backlight and LCD mode.

If you need technical support or product quotation for RG19232A, please feel free to contact our sales team!

Data Source ref: RG19232A-BIW-V

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General Specs
Interface Pin Function
Contour Drawing
Absolute Maximum Ratings
Electrical Characteristics

Item	Dimension	Unit
Structure	COB
Size (Diagonal)	3.23	inch
Dot Matrix / Resolution	192 × 32	dots
Module Dimension	116.0 × 37.0 × 13.9 (MAX)	mm
Viewing Area	85.0 × 18.6	mm
Active Area	80.6 × 15.96	mm
Mounting Hole	108.0 × 29.0	mm
Dot / Pixel Size	0.38 × 0.46	mm
Dot / Pixel Pitch	0.42 × 0.50	mm
View Direction	--
IC	ST7920
Interface	6800 / SPI
Power Supply	5V
Duty	1/32 duty cycle
Chinese Version	Yes
Type	Graphics LCD Display
Feature	LED can be driver by PIN15.PIN16

Pin No.	Symbol	Level	Description
1	VSS	0V	Ground
2	VDD	5.0V	Supply voltage for logic
3	V0	－	Contrast Adjustment
4	RS	－	H: Data , L : Instruction
5	R/W	H/L	H: Read (Module --> MPU) L: Write(MPU --> Module)
6	E	H/L	ENABLE SIGNAL
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	Vout	－	Positive voltage output
16	NC	－	No connection

Graphic LCD 192x32 - RG19232A

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	－	5.5	V
LCD Driver Voltage	VLCD	-0.3	－	7.0	V

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	－	4.5	5.0	5.5	V
Supply Voltage For LCD	V0-VSS	Ta=-20℃ Ta=25℃ Ta=+70℃	－ 4.4 3.8	－ 4.5 －	5.4 4.6 －	V V V
Input High Volt.	VIH	－	0.7VDD	－	VDD	V
Input Low Volt.	VIL	－	-0.3	－	0.6	V
Output High Volt.	VOH	－	0.8 VDD	－	VDD	V
Output Low Volt.	VOL	－	－	－	0.4	V
Supply Current	IDD	VDD=5.0V	1.5	2.0	2.8	mA