Home Products Character LCD WH1602B

LCD Display 16x2, LCD Module 16x2

Model No. WH1602B

►Character LCD 16x2
►5x8 dots includes cursor
►+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
►WH1602B2 : total thickness 10.0mm
►Interface: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)


Winstar WH1602B is one of the most popular character LCD display module 16x2 types in the market. WH1602B 16x2 LCD display model is built in with ST7066 controller IC or equivalent; its default interface is 6800 4/8-bit parallel. The model no. WH1602B1 is having 4 line SPI interface, as to the part no. WH1602B3 is having I2C interface.

Key Features for WH1602B1/B3 --
  • Two line (2 x 16) characters
  • Power supply:5V or 3V
  • Interface:WH1602B1for 4 line SPI, WH1602B3 for I2C
  • Driver: Winstar IC providing high level functions
  • Direct access to low level controller is available for advanced control
  • Space reserved for eight custom characters

There are different interface options for WH1602B series, details as below:
►WH1602B : 6800 interface (ST7066 IC), thickness NO B/L:9.70, with backlight: 13.2~13.5 mm
►WH1602B1: SPI interface (RW1063 IC), thickness NO B/L:9.70, with backlight: 13.2~13.5 mm
►WH1602B2: 6800 interface (ST7066 IC), thickness 10.0 mm
►WH1602B3: I2C interface (RW1063 IC), thickness NO B/L:9.70, with backlight: 13.2~13.5 mm


Display 16x2, LCD Display 16x2, LCD Module 16x2, LCD Display Module 16x2, Winstar Display LCD WH1602B


Interface Pin Function

Pin No. Symbol Level Description
1 VSS 0V Ground
2 VDD 5.0V Supply Voltage for logic
3 VO (Variable) Contrast Adjustment
4 RS H/L H: DATA, L: Instruction code
5 R/W H/L H: Read  L: Write
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 16 Characters x 2 Lines
Module dimension 80.0 x 36.0 x 13.2 (MAX) mm
View area 66.0 x 16.0 mm
Active area 56.20 x 11.5 mm
Dot size 0.55 x 0.65 mm
Dot pitch 0.60 x 0.70 mm
Character size 2.95 x 5.55 mm
Character pitch 3.55 x 5.95 mm
Duty 1/16
Backlight Type LED
IC ST7066U
Interface 6800

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VI VSS VDD V
Supply Voltage For Logic VDD-VSS -0.3 7 V
Supply Voltage For LCD VDD-Vo -0.3 13 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℃


Input High Volt. VIH 0.7 VDD VDD V
Input Low Volt. VIL Vss 0.6 V
Output High Volt. VOH 3.9 VDD V
Output Low Volt. VOL 0 0.4 V
Supply Current IDD VDD=5.0V 1.0 1.2 1.5 mA

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