16x2 VATN COG LCD Display (FPC)
Model No. WO1602N-VATN
►16 Character x 2 line
►5x8 dots includes cursor
►IC: ST7028-1A
►+3.3V power supply
►1/17 duty cycle
►LED type : Highlight White
►Interface : I2C
Description
WO1602N model is a COG structure VATN LCD module made of 16-characters by 2-lines with VA Negative Transmissive LCD, available in white LED. WO1602N module is built-in with ST7028-1A IC; it communicates via I2C interface, viewing direction 6 o'clock, 1/17 duty, and 1/5 Bias.
This VATN WO1602N and our existing COG LCD WO1602G and COB LCD WH1602B models have the same VA and AA sizes but have a different pinout. WO1602G has a mental pinout, as WO1602N designed a FPC pinout for easy use to control the module by a ZIP connector. The supply voltage for logic of WO1602N is 3V to 3.6V, the typical value of 3.3V. This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
This WO1602N VATN (Vertical Alignment Twisted Nematic) display offers superior performance to traditional STN/FSTN and DFSTN displays. This 16x2 VATN display features higher contrast and wider viewing angles than those currently provided by standard STN/FSTN/DFSTN displays. It is a negative mode display with a transmissive polarizer. In VATN LCD Display, liquid crystals naturally align vertically to the glass substrates. Welcome to contact us for samples to explore the advantage of VATN displays.
DRAWING
Data sourch ref: WO1602N-TLL-AT#
SPECIFICATIONS
Interface Pin Function
| Pin | Symbol | Function Description |
|---|---|---|
| 1 | RSTB | External reset pin |
| 2 | SCL | Serial clock input |
| 3 | SDA | Serial Data signal |
| 4 | VSS | Ground |
| 5 | VDD | Power supply |
| 6 | AVDD | AVDD is the source of VG regulator. |
| 7 | V0 | V0 is the LCD driving voltage for common circuits at negative frame. |
| 8 | XV0 | XV0 is the LCD driving voltage for common circuits at positive frame. |
| 9 | A | LED+ |
| 10 | K | LED- |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of Characters | 16 Characters x 2 Lines | － |
| Module dimension | 68.2 x 25.2 x 9.7 | mm |
| View area | 61.0 x 15.1 | mm |
| Active area | 56.2 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 | 1/17duty , 1/5 Bias | |
| Backlight Type | LED | |
| IC | ST7028-1A | |
| Interface | I2C | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Power Supply Voltage | VDD | -0.3 | － | 4.0 | V |
| Supply Voltage For LCD Drive | VOP=V0-VSS | -0.3 | － | 13.0 | V |
| Input voltage range | VIN | -0.3 | － | VDD+0.3 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 3 | 3.3 | 3.6 | V |
| Supply Voltage For LCD | Vop | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 6.8 － |
－ 7.0 － |
－ 7.2 － |
V V V |
| 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 | － | － | － | 1.5 | mA |
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