Home Products VATN LCD WH1604A-PLL

16x4 VATN LCD with Highlight Blue LED Backlight

Model No. WH1604A-PLL

►16 Character x 4 line
►5x8 dots includes cursor
►Bulit-in controller (RW1063 or Equivalent)
►+5V power supply only
►1/16 duty cycle
►LED type : Highlight Blue
►LED can be driven by PIN1, PIN2 or K
►Interface : Option 6800, SPI, I2C


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

There are three interface options for VATN WH1604A series, details as below:

  • VATN WH1604A: Parallel interface (RW1063 IC)
  • VATN WH1604A1: SPI interface (RW1063 IC)
  • VATN WH1604A2: I2C interface (RW1063 IC)


Winstar WH1604A-PLL 16x4 VATN LCD with Blue LED Backlight


Interface Pin Function

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
7~14 DB0~DB7 Data bus line
15 VEE Negative Voltage Output
16 K Power supply for B/L -

Mechanical Data

Item Standard Value Unit
Module Dimension 87.0 × 60.0 mm
Viewing Area 62.0 ×26.0 mm
Mounting Hole 82.0 × 55.0 mm
Character Size 2.95 × 4.75 mm

Electrical Characteristics

Item Symbol Standard Value
Input Voltage VDD 5.0 V
Recommended LCD Driving
Voltage for Normal Temp.
Version module @25°C
VDD-VO 6.50 V

Display Character Address Code

Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
DD RAM Address 00 01                           0F
DD RAM Address 40 41                           4F
DD RAM Address 10 11                           1F
DD RAM Address 50 51                           5F

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