Home Products VATN LCD WH2004A-SLL

20x4 White Backlight VATN LCD Display

Model No. WH2004A-SLL

►20 Character x 4 line
►5x8 dots includes cursor
►Bulit-in controller (ST7066 or Equivalent)
►+5V power supply only
►1/16 duty cycle
►LED type : White
►LED can be driven by PIN1, PIN2 or K
►Interface : 6800

DESCRIPTION

The VATN display is featured with wide viewing angle and high contrast ratio, therefore, it’s very suitable for many applications.  Below are the examples for reference.
  • Industrial: Automotive application, Digital meter, UPS
  • Medical: medical device & medical equipment
  • Home appliance: audio, coffee machine, microwave oven
  • Automobile: dashboard, car audio

DRAWING

20x4 White Backlight VATN LCD Display - Winstar WH2004A-SLL

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply 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
7~14 DB0~DB7 Data bus line
15 Vee Negative Voltage Output
16 K Power supply for B/L -

General Specification

Item Standard Value Unit
Module Dimension 98.0 × 60.0 mm
Viewing Area 77.0 × 25.2 mm
Mounting Hole 93.0 × 55.0 mm
Character Size 2.95 × 4.75 mm

Absolute Maximum Ratings

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 5.0 V
Recommended LCD Driving
Voltage for Normal Temp.
Version module @25°C
VDD-VO 6.5 V

Display Character Address Code

Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 --- --- 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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