20x4 VATN Alphanumeric LCD Module
20x4 VATN Alphanumeric LCD Module
20x4 VATN Alphanumeric LCD Module
20x4 VATN Alphanumeric LCD Module
20x4 VATN Alphanumeric LCD Module

20x4 VATN Alphanumeric LCD Module

Model No. RC2004A(VATN)

Backlight Type:
Model No. : RC2004A-LLH : LED, White (High light)
Model No. : RC2004A-LLY : LED, Yellow (High light)
Model No. : RC2004A-LLG : LED, Green (High light)
Model No. : RC2004A-LLB : LED, Blue (High light)
Model No. : RC2004A-LLR : LED, Red (High light)

Inquiry or Demo Code Datasheet Back
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  • 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 Size 0.55×0.55 mm
Dot Pitch 0.60×0.60 mm
Character Size 2.95×4.75 mm
Character Pitch 3.55×5.35 mm
LCD Type VA Negative Transmissive
View Direction 12 o’clock
Bulit-in Controller ST7066 or Equivalent
Interface 6800
Power Supply 5V only
Duty 1/16 duty cycle
Type VATN LCD
Feature LED can be driven by PIN1, PIN2 or K
Pin No. Symbol Description
1 VSS Ground
2 VDD Supply Voltage for logic
3 VO Operating voltage for LCD
4 RS H: DATA, L: Instruction code
5 R/W Read/Write select signal
6 E Chip 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 Vee Negative Voltage Output
16 K Power supply for B/L -

20x4 VATN Alphanumeric LCD Module

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 5.0 V
Recommended LCD Driving Voltage for Normal Temp. Version module @25ºC VDD-VO 6.5 V
Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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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