Home Products COG LCD WO1602F

Chip-on-Glass LCD Module 16x2

Model No. WO1602F

►COG LCD 16x2
►Character LCD
►5 x 8 dots includes cursor
►IC: ST7032
►1/16 duty, 1/5 bias
►5V power supply
►Interface : 6800/SPI/I2C


The WO1602F series is a COG (Chip-on-Glass) Character LCD display module built with an ST7032 IC. It supports 6800/4-Line SPI and I2C interfaces, featuring a display format of 16 characters x 2 lines. The supply voltage for logic (VDD) can be selected as either 3V or 5V. It operates with a 1/16 duty cycle and 1/5 bias. Operating temperatures for this module range from -20℃ to +70℃, with storage temperatures ranging from -30℃ to +80℃.

The WO1602F COG LCD display module stands out with its ultra-compact and thin design, making it an ideal choice for various applications. Its versatility allows seamless integration into compact applications, industrial devices, as well as security, medical, and handheld devices.

Its compact form factor and thin profile make it particularly well-suited for environments where space is at a premium. The module's integration of COG technology, with the chip positioned behind the LCD, not only contributes to its slim design but also eliminates the need for external packaging. This not only saves valuable space but also enhances the overall performance and stability of the display.

The WO1602F is a reliable solution for industries demanding efficiency and precision. Whether integrated into industrial equipment or employed in medical devices, this COG LCD display module excels in providing clear and vibrant visual representation.

In addition to its technical advantages, the WO1602F series offers a range of LED backlight options in various colors, allowing for customization based on specific requirements. For those seeking a display module that combines space-saving features with enhanced performance and flexibility, the WO1602F COG LCD display module proves to be a compelling choice. Explore the possibilities and elevate your applications with this advanced and compact display solution. Feel free to contact us through our website for more information.


Winstar WO1602F - Chip-on-Glass LCD Module 16x2

Data source ref:WO1602F-YYH-AT#


Interface Pin Function

Pin No. Symbol Level Description
1 RS H/L Select registers.
0: Instruction register (for write)
Busy flag & address counter (for read)
1: Data register (for write and read)
2 R/W H/L Select read or write (In parallel mode).
0: Write
1: Read
3 E H,H→L Starts data read/write. (“E” must connect to “VDD” when serial interface is selected.)
4 DB0 H/L Data bus line
5 DB1 H/L Data bus line
6 DB2 H/L Data bus line
7 DB3 H/L Data bus line
8 DB4 H/L Data bus line
9 DB5 H/L Data bus line
10 DB6/SCL H/L Data bus line
(In I2C interface DB6 (SCL) is clock input.
SDA and SCL must connect to I2C bus (I2C bus is to connect a resister between SDA/SCL and the power of I2C bus ).
11 DB7/SDA H/L Data bus line
(In I2C interface DB7 (SDA) is input data.
SDA and SCL must connect to I2C bus (I2C bus is to connect a resister between SDA/SCL and the power of I2C bus ).
12 VSS 0V Ground
13 VDD 3.3/5.0V
Supply Voltage for logic
14 Vout (Variable) Operating voltage for LCD
15 PSB   Interface selection
0:serial mode
(“E” must connect to “VDD” when serial mode is selected.)
1:parallel mode(4/8 bit)
In I2C interface PSB must connect to VDD
16 PSI2B  
PSB PSI2B Interface
0 0 No use
0 1 SI4
1 0 SI2(I2C)
1 1 Parallel 68
17 CAP1P   For voltage booster circuit(VDD-VSS)
External capacitor about 0.1u~4.7uf
18 CAP1N  
19 NC   No connection
20 NC   No connection

Mechanical Data

Item Dimension Unit
Number of Characters 16 characters × 2Lines
Module dimension 72.1 × 29.6 × 9.4 mm
View area 61.0 × 15.1 mm
Active area 56.2 × 11.5 mm
Dot size 0.55 × 0.65 mm
Dot pitch 0.60 × 0.70 mm
Character size 2.95 × 5.55 mm
Character pitch 3.55 × 5.95 mm
Duty 1/16 , 1/5 Bias
Backlight Type LED
IC ST7032i
Interface 68/ 4-Line SPI /IIC

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80
Input Voltage VIN -0.3 VDD+0.3 V
Power Supply Voltage VDD-VSS -0.3 +6.0 V
LCD Driver Voltage VLCD 2.7 7.0 V

Electrical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VDD-VSS 3 3.3 5
Supply Voltage For LCD Vout-VSS Ta=-20℃


Input High Volt. VIH 0.7 VDD VDD V
Input Low Volt. VIL 0.2 VDD V
Output High Volt. VOH 0.8 VDD VDD V
Output Low Volt. VOL 0.2VDD V
Supply Current IDD 2.0 mA

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