Character LCD 20×4 I2C / SPI / 6800 Display

Model No. WH2004H

  • Character LCD 20×4 Display
  • 5×8 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
Category:

Description

The Character LCD 20×4 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 20×4 I2C)

Drawing

Drawing


Data source ref:WH2004H-TFH-JW#

Specifications

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

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

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

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

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