LCD Character Module 20x2

Model No. RC2002D

The RC2002C is a 20×2 character LCD module designed with a 146.0 × 43.0 × 13.7 mm compact structure and a clear 123.0 × 23.0 mm viewing area. Each character is displayed with sharp definition. Built with the ST7066U controller IC and a standard 68-series interface, it ensures smooth communication and simple integration into a wide range of embedded systems.

Equipped with an LED backlight and optimized for low power consumption, the RC2002C provides excellent visibility and efficiency. It is engineered to operate in a wide temperature range from -20°C to +70°C and can withstand storage from -30°C to +80°C, ensuring durability in harsh environments.

Contact us today to learn more about the RC2002C and how it can support your next project.

Data Source Ref：RC2002D-FHW-JSX

Inquiry or Demo Code Datasheet Back Previous Next

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

Item	Dimension	Unit
Structure	COB
Size (Diagonal)	4.74	inch
Dot Matrix / Resolution	5×8 dots includes cursor	dots
Characters × Lines	20 Characters × 2 Lines
Module Dimension	146.0 × 43.0 × 13.7 (MAX)	mm
Viewing Area	123.0 × 23.0	mm
Active Area	118.84 × 18.97	mm
Mounting Hole	139.0 × 36.0	mm
Dot / Pixel Size	0.92 × 1.10	mm
Dot / Pixel Pitch	0.98 × 1.16	mm
Character Size	4.84 × 9.22	mm
Character Pitch	6.00 × 9.75	mm
IC	ST7066, Option RW1063
Interface	6800, Option SPI / I2C (RW1063 IC)
Power Supply	5V (Also available for 3V) Negative voltage optional for 3V power supply
Duty	1/16 duty cycle
Type	Character LCD Display
Feature	LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K

Pin No.	Symbol	Level	Description
1	V_SS	0V	Ground
2	V_DD	5.0V	Supply Voltage for logic
3	V_O	(Variable)	Contrast Adjustment
4	RS	H/L	H：DATA, L：Instruction code
5	R/W	H/L	H：Read (Module --> MPU) L：Write(MPU --> Module)
6	E	H,H→L	Chip 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	A	-	Power supply for B/L(+)
16	K	-	Power supply for B/L(-)

RC2002D Character LCD - Raystar - Contour Drawing

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	-	+70	℃
Storage Temperature	TST	-30	-	+80	℃
Input Voltage	VI	VSS	-	VDD	V
Supply Voltage For Logic	VDD-VSS	-0.3	-	7	V
Supply Voltage For LCD	VDD-VO	-0.3	-	13	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	VDD-V0	Ta=-20℃	-	-	5.5	V
		Ta=25℃	4.4	4.5	4.6	V
		Ta=70℃	3.8	-	-	V
Input High Volt	VIH	-	0.7 VDD	-	VDD	V
Input Low Volt	VIL	-	VSS	-	0.6	V
Output High Volt	VOH	-	3.9	-	VDD	V
Output Low Volt	VOL	-	0	-	0.4	V
Supply Current	IDD	VDD=5.0V	1.0	1.2	1.5	mA