Home Products Character LCD WH1601A

Character LCD Display 16x1

Model No. WH1601A

►Character LCD Display 16x1
►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
►Interface: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)


The model number WH1601 is a 16x1 Character LCD Display. This display is equipped with the ST7066 controller and features a default interface of 6800 4/8-bit parallel. Additionally, it can be configured with SPI and I2C interfaces using the RW1063 controller IC. The LCD Display 16x1 module comes with a PCB board that includes mounting holes, facilitating easy installation in various applications.  It operates with a 5V power supply, compatible with 3V, while the negative voltage is limited to 3V.

The LED backlight of this 16x1 LCD Display can be driven by PIN1, PIN2, PIN15, PIN16, or the A and K pins. The LCD panels are available in STN, FSTN, and FFSTN types, offering options for polarizer positive and negative modes. Various LED backlight colors are provided, including yellow/green, white, red, blue, green, amber, and RGB LEDs. Additionally, there is an option with no backlight.

There are three interface options for WH1601A series, details as below:
►WH1601A : 6800 interface (ST7066 IC)
►WH1601A1 : SPI interface (RW1063 IC)
►WH1601A2 : I2C interface (RW1063 IC)


Winstar Character LCD Display 16x1, LCD 16x1, 16x1 LCD Display - WH1601A
Data source ref:WH1601A-TFH-ET#


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  L: Write
6 E H,H→L Chip enable signal
7 DB0 H/L Data bit 0
8 DB1 H/L Data bit 1
9 DB2 H/L Data bit 2
10 DB3 H/L Data bit 3
11 DB4 H/L Data bit 4
12 DB5 H/L Data bit 5
13 DB6 H/L Data bit 6
14 DB7 H/L Data bit 7
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 1 Line
Module dimension 80.0 x 36.0 x 13.5 (MAX) mm
View area 66.0 x 16.0 mm
Active area 56.62 x 6.65 mm
Dot size 0.55 x 0.75 mm
Dot pitch 0.63 x 0.83 mm
Character size 3.07 x 6.56 mm
Character pitch 3.77 x 6.56 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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