Home Products LCD Display Character LCD WH2004H

Character LCD 20x4 I2C / SPI / 6800 Display

Model No. WH2004H

►Character LCD 20x4 Display
►Type: Character
►Structure : COB
►Size: 2.89 inch
►20 characters x 4 Lines
►5x8 dots includes cursor
►IC: RW1063
►+5V power supply ( Also available for +3V)
►Negative voltage option is only for the +3V power supply
►1/16 duty cycle
►LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
►Interface : WH2004H - 6800, WH2004H1 - SPI, WH2004H2 - I2C

Description

The Character LCD 20x4 Display of WH2004H has the same outline, VA and AA size as WH2004G, but WH2004H having with FFC pinned out.
Below are the available model numbers with different interface--

  • WH2004H - 6800 interface
  • WH2004H1 - 4 line SPI interface
  • WH2004H2 - I2C interface (lcd 20x4 I2C)

 

DRAWING

Caracter LCD 20x4 Display, LCD 20x4, LCD 20x4 I2C - WH2004H
Data source ref:WH2004H-TFH-JW#

SPECIFICATIONS

Interface Pin Function

Pin No. Symbol Level Description
1 VSS 0V Ground
2 VDD 5.0V Supply Voltage for logic
3 VO (Variable) Operating voltage for LCD
4 RS H/L H: DATA, L: Instruction code
5 R/W H/L H: Read(MPU→Module) L: Write(MPU→Module)
6 E H,H→L Chip enable signal
7 DB0 H/L Data bus line
8 DB1 H/L Data bus line
9 DB2 H/L Data bus line
10 DB3 H/L Data bus line
11 DB4 H/L Data bus line
12 DB5 H/L Data bus line
13 DB6 H/L Data bus line
14 DB7 H/L Data bus line
15 A Power supply for B/L +
16 K Power supply for B/L -

Mechanical Data

Item Dimension Unit
Number of Characters 20 Characters x 4 Lines
Module dimension 87.0 x 58.0 x 13.6 (MAX) mm
View area 74.4 x 24.8 mm
Active area 70.4 x 20.8 mm
Dot size 0.55 x 0.55 mm
Dot pitch 0.60 x 0.60 mm
Character size 2.95 x 4.75 mm
Character pitch 3.55 x 5.35 mm
Duty 1/16
Backlight Type LED
IC RW1063
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VI -0.3 VDD+0.3 V
Supply Voltage For Logic VDD-VSS -0.3 5.5 V
Supply Voltage For LCD VDD-Vo VSS-0.3 VSS+7.0 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 4.5 5.0 5.5 V
Supply Voltage For LCD VDD-V0 Ta=-20℃
Ta=25℃
Ta=70℃

3.9

4.2

4.5
V
V
V
Input High Volt. VIH 2.5 VDD V
Input Low Volt. VIL -0.3 0.6 V
Output High Volt. VOH 3.9 VDD V
Output Low Volt. VOL 0.4 V
Supply Current IDD VDD=5.0V 1.0 mA

Search Keyword: 20x4 lcd, 20 x 4 lcd, lcd 20x4, lcd 20 x 4
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