Home Products Character LCD WH1602L1

16x2 Character Dot Matrix LCD Module

Model No. WH1602L1

►Character LCD 16x2
►5x8 dots includes cursor
►+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: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)
►Chinese version : WG16032D


WH1602L1 is a 16x2 Character Dot Matrix LCD Module which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel.  The WH1602L1 model is negative voltage optional as well. This display is also available in SPI and I2C interface by using RW1063 controller IC. WH1602L1 is available in several different backlight colors including blue, green, white, yellow-green, amber, red, white LED. The LEDs can be driven by PIN1, PIN2, PIN15, PIN16 or A and K.

There are different interface options for WH1602L1 series, details as below:
►WH1602L1 : 6800 interface (ST7066 IC)
►WH1602L2 : SPI interface (RW1063 IC)
►WH1602L3 : I2C interface (RW1063 IC)


Winstar WH1602L1 16x2 Character Dot Matrix LCD Module
Data source ref:WH1602L1-YYH-JT#


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 122.0 x 44.0 x 13.6 (MAX) mm
View area 99.0 x 24.0 mm
Active area 94.20 x 20.0 mm
Dot size 0.92 x 1.1 mm
Dot pitch 0.97 x 1.16 mm
Character size 4.8 x 8.06 mm
Character pitch 5.96 x 9.66 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 1.2 1.5 1.8 mA

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