2004 LCD Display, Character LCD Display 2004, Display LCD 2004A - RC2004A LCD 20x4 Datasheet
2004 LCD Display, Character LCD Display 2004, Display LCD 2004A - RC2004A LCD 20x4 Datasheet
2004 LCD Display, Character LCD Display 2004, Display LCD 2004A - RC2004A LCD 20x4 Datasheet

Character LCD Display 2004, 2004 LCD Display

Model No. RC2004A

RC2004A is 20 characters x 4 lines monochrome LCD display module. The RC2004A LCD display has the same specs as RC2004A1. The only difference between them is the position of pins. RC2004A has 16pins on the PCB; pins of RC2004A1 are on the FFC connector. Default interface of RC2004A LCD display is 6800 with built-in IC ST7066; if you require interface such as SPI or I2C, they’re available as well, but the IC will be replaced with RW1063. Power supply of LCD display RC2004A is 5V (3V is optional). Negative voltage version is available for 3V power supply.

Raystar provides various LED backlight combinations for RC2004A display LCD, such as white, yellow-green, amber, red and RGB. You can choose module with LED backlight or without it.

There are many LCD modes to choose from, including STN negative, blue ; STN positive, gray/green-yellow ; FSTN positive, white ; FSTN negative, black.

RC2004A display LCD 20x4 offers a selection of fonts, for instance, English/Japanese, Europe and Cyrillic (Russian), etc. If you’d like to obtain full datasheet of LCD 20x4, please contact us for more info!

Inquiry or Demo Code Datasheet Back Previous Next
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
  • Display Character Address Code
Item Dimension Unit
Dot Matrix / Resolution 5×8 dots includes cursor dots
Characters × Lines 20 Characters × 4 Lines
Module Dimension 98.0 × 60.0 × 13.6 (MAX) mm
View Area 77.0 × 25.2 mm
Active Area 70.4 × 20.8 mm
Mounting Hole 93.0 × 55.0 mm
Dot / Pixel Size 0.55 × 0.55 mm
Dot / Pixel Pitch 0.60 × 0.60 mm
Character Size 2.95 × 4.75 mm
Character Pitch 3.55 × 5.35 mm
IC ST7066 or Equivalent
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 Module
Feature LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
RC2004A1:FFC connector
RC2004A2:7col
Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply for logic
3 VO Contrast Adjustment
4 RS   Data/ Instruction  select signal  
5 R/W   Read/Write select signal  
6 E   Enable signal  
7 DB0   Data bus line  
8 DB1   Data bus line  
9 DB2   Data bus line  
10 DB3   Data bus line  
11 DB4   Data bus line  
12 DB5   Data bus line  
13 DB6   Data bus line  
14 DB7   Data bus line  
15 A   Power supply for B/L +  
16 K   Power supply for B/L -  

2004 LCD Display, Character LCD Display 2004, Display LCD 2004A - RC2004A LCD 20x4 Datasheet

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VDD-VO 4.50 V
Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 --- --- 20
DD RAM Address 00 01 02                         13
DD RAM Address 40 41 42                         53
DD RAM Address 14 15 16                         27
DD RAM Address 54 55 56                         67
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