Home / SLC2004A4 PCB=98.00X60.00 2004 20*4 Surenoo Character LCD Module Display Screen Panel 6800 4-Bit 8-Bit Parallel Integrated Serial IIC I2C SPI RW1063 Controller STN Yellow Green STN Blue LED Backlight for Arduino UNO Nano Mega2560
  • SLC2004A4 PCB=98.00X60.00 2004 20*4 Surenoo Character LCD Module Display Screen Panel 6800 4-Bit 8-Bit Parallel Integrated Serial IIC I2C SPI RW1063 Controller STN Yellow Green STN Blue LED Backlight for Arduino UNO Nano Mega2560
  • SLC2004A4 PCB=98.00X60.00 2004 20*4 Surenoo Character LCD Module Display Screen Panel 6800 4-Bit 8-Bit Parallel Integrated Serial IIC I2C SPI RW1063 Controller STN Yellow Green STN Blue LED Backlight for Arduino UNO Nano Mega2560
  • SLC2004A4 PCB=98.00X60.00 2004 20*4 Surenoo Character LCD Module Display Screen Panel 6800 4-Bit 8-Bit Parallel Integrated Serial IIC I2C SPI RW1063 Controller STN Yellow Green STN Blue LED Backlight for Arduino UNO Nano Mega2560

SLC2004A4 PCB=98.00X60.00 2004 20*4 Surenoo Character LCD Module Display Screen Panel 6800 4-Bit 8-Bit Parallel Integrated Serial IIC I2C SPI RW1063 Controller STN Yellow Green STN Blue LED Backlight for Arduino UNO Nano Mega2560

Model No.: SLC2004A4
Display Format: 20X04 Characters
PCB Size: 98.00X60.00MM
Controller: RW1063 or Equal
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  • Overview
SLC2004A4 is 20 characters wide, 4 rows character LCD Module, RW1063 controller (Industry-standard HD44780 compatible controller), 6800 4/8-bit parallel interface, Serial SPI IIC interface, wide operating temperature range, RoHS Compliant, built in character set supports English-Japanese, see the RW1063 datasheet for the full character set. It's 5V or 3.3V power supply, and IIC and SPI Interface is optional for Arduino.
It's easily controlled by MCU such as 8051, PIC, AVR, ARDUINO, ARM and Raspberry Pi. It can be used in any embedded systems, industrial device, security, medical and hand-held equipment.
  • Specification
Gross Weight  0.080Kg
Manufacturer Surenoo
Display Type Character LCD Module / IIC Display
Continuity Supply More than 10 years
Part No. SLC2004A4
Display Format 20x4 Character
Interface 6800 4-bit Parallel, 6800 8-bit Parallel, Integrated Serial IIC, Integrated Serial SPI
IC or Equivalent RW1063 or Equal
Fonts English-Japanese
Voltage(Type) 5.0V in default
Connection 1X4P/2.54 Pin Header
Outline Dimension 98.00(W)x60.00(H)x13.10(T)mm
Visual Area 77.00x25.20mm
Active Area 70.40x20.80mm
Display Type STN LCD-Yellow Green, STN Blue Negative
Backlight Type (LED) Yellow Green, White
IC Package COB
Viewing Direction 6:00 O'Clock
Operating Temperature
-20℃~70℃
Storage Temperature
-30℃~80℃
  • Outline Drawing

  • Interface (IIC Interface default)
1. Pin Configuration (6800: IF0=0, IF1=0)
Pin No. Symbol Level  Function
1 VSS 0V Ground 0V
2 VDD 5.0V Logic Power Supply
3 V0 (Variable) Operating voltage for LCD
4 RS H/L H: Data Signal, L: Instruction Signal
5 R/W H/L Read / Write (H: Read Mode, L: Write Mode)
6 E H, H➡L Chip Enable Signal
7-14 DB0-DB7 H/L Data Bus
15 LED_A - Backlight Anode
16 LED_K - Backlight Cathode

2. Pin Configuration (IIC: IF0=1, IF1=0)
Pin No. Symbol Level  Function
1 VSS 0V Ground 0V
2 VDD 5.0V Logic Power Supply
3 V0 (Variable) Operating voltage for LCD
4-6 NC - No Connection
7 SA0 H/L In I2C interface, DB1(SA1) and DB0(SA0) are used for slave address,
must be connect to VDD or VSS
8 SA1 H/L
9-11 NC - No Connection
12 CSB H/L In I2C serial mode, this pin is used as Chip Selection input.
When selected, CSB = “Low”, When not selected, CSB = “High”
(Low access enable)
13 SDA H/L Serial Input Data
14 SCL H/L Serial Clock Input
15 A - Backlight Anode
16 K - Backlight Cathode

 I2C Interface Protocol
Four 7-bit slave addresses (0111100, 0111101, 0111110 and 0111111) are reserved for the Controller. The least significant bit of the slave address is set by connecting the input SA0 (DB0) and SA1 (DB1) to either logic 0 (VSS) or logic 1 (VDD).
Commands are:
#define I2C_ADDRESS 0c3C //0b0111100
#define I2C_ADDRESS 0c3D //0b0111101
#define I2C_ADDRESS 0c3E //0b0111110
#define I2C_ADDRESS 0c3F //0b0111111

If you need connect 13th(SDA), 14th(SCL), 15th(VCC), 16th(GND) to work on Arduino Library only, please short 1-2-3-4-5 Jumber on PCBA as following:


 3. Pin Configuration  (SPI: IF0=0, IF1=1)
Pin No. Symbol Level  Function
1 VSS 0V Ground 0V
2 VDD 5.0V Logic Power Supply
3 V0 (Variable) Operating voltage for LCD
4 RS H/L H: Data Signal, L: Instruction Signal
5-11 NC - No Connection
12 CSB H/L In 4-SPI serial mode, this pin is used as Chip Selection input.
When selected, CSB = “Low”, When not selected, CSB = “High”
(Low access enable)
13 SCLK H/L Serial Clock Input
14 SID H/L Serial Data Input
15 A - Backlight Anode
16 K - Backlight Cathode
  • Documents
No. Item File Name File Type ICON Date Description Mark
1 Datasheet SLC2004A4 PDF 2013-03-17 Standard 2004 Character LCD Module
2 Controller RW1063 PDF 2008-09-24 RW1063 Character LCD Controller, Compatible with SPC780, ST7066, HD44780, ......, and Build-in Serial SPI/IIC also
3 RW1063 51 IIC Library RW1063 C 2017-08-22 AIP31068 51 IIC Library on STC15W4K32S4 MCU
4 Arduino IIC Library IIC Library ZIP 2009-07-19 Surenoo IIC Library for PCT8574T, AIP31068, RW1063, ST7032i to work on Arduino test Board
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