20x2 VATN Red/Green/Blue/White/Yellow-Green LCD Display
Model No. WH2002G-VATN
►20 Character x 2 line
►5x8 dots includes cursor
►IC: ST7066
►+5V power supply only
►1/16 duty cycle
►LED type : Highlight Red / Green / Blue / White / Yellow-green LCD Display
►LED can be driven by PIN1, PIN2 or K
►Interface : 6800
Description
This is a 20 character by 4 line LCD display with a black background, available options red, green, blue, yellow-green and white led backlight. WH2002G VATN LCD is built-in ST7066 controller IC; it communicates 6800 interface.
The VATN display is featured with wide viewing angle and high contrast ratio, therefore, it's very suitable for many applications. Below are the examples for reference.
- Industrial: Automotive application, Digital meter, UPS
- Medical: medical device & medical equipment
- Home appliance: audio, coffee machine, microwave oven
- Automobile: dashboard, car audio
DRAWING
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | VSS | Ground |
| 2 | VDD | Power supply for logic |
| 3 | VO | Contrast Adjustment |
| 4 | RS | Data/ Instruction select signal |
| 5 | R/W | Read/Write select signal |
| 6 | E | Enable signal |
| 7~14 | DB0~DB7 | Data bus line |
| 15 | VEE | Negative Voltage Output |
| 16 | K | Power supply for B/L - |
Mechanical Data
| Item | Standard Value | Unit |
|---|---|---|
| Module Dimension | 115.0 × 36.0 | mm |
| Viewing Area | 85.0 × 18.6 | mm |
| Mounting Hole | 108.0 × 29.0 | mm |
| Character Size | 3.2 × 5.55 | mm |
Electrical Characteristics
| Item | Symbol | Standard Value typ. |
Unit |
|---|---|---|---|
| Input Voltage | VDD | 5.0 | V |
| Recommended LCD Driving Voltage for Normal Temp. Version module @25°C |
VDD-VO | 8.5 | V |
Display Character Address Code
| Display position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DD RAM Address | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 0A | 0B | 0C | 0D | 0E | 0F | 10 | 11 | 12 | 13 |
| DD RAM Address | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 4A | 4B | 4C | 4D | 4E | 4F | 50 | 51 | 52 | 53 |
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