Home Products Character LCD WH2004G

20x4 Character LCD Display

Model No. WH2004G

►Character LCD 20x4
►5x8 dots includes cursor
►Bulit-in controller (RW1063 or Equivalent)
►+5V power supply ( Also available for +3V)
►Negative voltage optional for +3V power supply
►1/16 duty cycle
►LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
►Interface : WH2004G - 6800, WH2004G1 - SPI, WH2004G2 - I2C

DESCRIPTION

This 20x4 Character LCD Display is built-in with RW1063 controller IC which are 6800, 4 line SPI or I2C interface options. The WH2004G 20x4 LCD Display have the same AA size and pin assignment as existing WH2004A and WH2004B character LCD modules but with smaller outline and VA size.
Below are the available series model numbers --

  • WH2004G - 6800 interface
  • WH2004G1 - 4 line SPI interface
  • WH2004G2 - I2C interface

DRAWING

Winstar WH2004G - 20x4 Character LCD Display, 20x4 LCD Display, 2004 LCD Display

SPECIFICATIONS

LCD 20x4 Datasheet

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 A Power supply for B/L +
16 K Power supply for B/L -

Mechanical Data

Item Standard Value Unit
Module Dimension 87.0 × 58.0 mm
Viewing Area 74.4 × 24.8 mm
Mounting Hole 82.0 × 53.0 mm
Character Size 2.95 × 4.75 mm

Electrical Characteristics

Item Symbol Standard Value
typ.
Unit
Input Voltage VDD 3/5 V
Recmmended LCD Driving
Voltage for Normal Temp.
Version module @25°C
VDD-VO 4.20 V

Display Character Address Code

Display Position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
DD RAM Address 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13
DD RAM Address 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53
 
DD RAM Address 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27
DD RAM Address 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F 60 61 62 63 64 65 66 67

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